MCQs on Environment and Ecology [Set – 4]

MCQs Static GK, MCQs Environment and Ecology

MCQs on Environment and Ecology [Set – 4] 1. What term is used to describe the gradual loss of biodiversity in an ecosystem? A) DegradationB) ExtinctionC) FragmentationD) Desertification Show Answer Correct Answer: A) DegradationExplanation: Biodiversity degradation refers to the gradual loss of species and habitats, reducing the variety of life in an ecosystem. 2. Which concept refers to the preservation and protection of natural habitats to maintain biodiversity? A) ConservationB) UrbanizationC) Pollution controlD) Economic development Show Answer Correct Answer: A) ConservationExplanation: Conservation involves preserving and protecting natural habitats to maintain biodiversity and ensure the survival of various species. 3. Which biome is characterized by high temperatures and low precipitation? A) Temperate forestB) DesertC) SavannahD) Boreal forest Show Answer Correct Answer: B) DesertExplanation: Deserts are characterized by high temperatures and very low precipitation, resulting in arid conditions and specialized vegetation. 4. Which of the following is a direct consequence of global deforestation? A) Increased soil fertilityB) Enhanced biodiversityC) Loss of habitat for wildlifeD) Improved air quality Show Answer Correct Answer: C) Loss of habitat for wildlifeExplanation: Global deforestation leads to the loss of habitats for numerous wildlife species, contributing to decreased biodiversity. 5. Which environmental problem is associated with the accumulation of plastic waste in the oceans? A) Marine litterB) Coastal erosionC) Soil salinizationD) Desertification Show Answer Correct Answer: A) Marine litterExplanation: Marine litter refers to the accumulation of plastic waste and other debris in the oceans, which can harm marine life and ecosystems. 6. What is the term for the gradual loss of fertile land due to factors like drought and overgrazing? A) Soil erosionB) DesertificationC) DeforestationD) Salinization Show Answer Correct Answer: B) DesertificationExplanation: Desertification is the process by which fertile land becomes desert due to factors such as prolonged drought, deforestation, and overgrazing. 7. Which of the following species is an example of an umbrella species? A) Polar bearB) Golden eagleC) Monarch butterflyD) Green sea turtle Show Answer Correct Answer: A) Polar bearExplanation: The polar bear is an umbrella species because its protection also helps conserve the broader Arctic ecosystem and other species within it. 8. Which type of ecological interaction benefits one species while harming another? A) MutualismB) CommensalismC) ParasitismD) Symbiosis Show Answer Correct Answer: C) ParasitismExplanation: In parasitism, one species benefits at the expense of another, often causing harm to the host species. 9. What term is used for a species that is likely to become endangered if current trends continue? A) InvasiveB) ExtinctC) EndemicD) Vulnerable Show Answer Correct Answer: D) VulnerableExplanation: A vulnerable species is one that is at risk of becoming endangered in the near future if current conditions persist. 10. Which of the following is an example of a secondary pollutant? A) Carbon monoxideB) Nitrogen dioxideC) Sulfur dioxideD) Ozone Show Answer Correct Answer: D) OzoneExplanation: Ozone is a secondary pollutant formed by chemical reactions between nitrogen oxides and volatile organic compounds in the presence of sunlight. 11. What type of forest is found in regions with mild, wet winters and hot, dry summers? A) Tropical rainforestB) Temperate rainforestC) Mediterranean forestD) Boreal forest Show Answer Correct Answer: C) Mediterranean forestExplanation: Mediterranean forests are characterized by mild, wet winters and hot, dry summers, with vegetation adapted to these seasonal conditions. 12. Which of the following is a major contributor to soil degradation? A) Conservation tillageB) Cover croppingC) OvergrazingD) Organic farming Show Answer Correct Answer: C) OvergrazingExplanation: Overgrazing by livestock can lead to soil degradation by reducing vegetation cover and increasing erosion. 13. What term describes a species that is not native to an area and causes ecological harm? A) Endemic speciesB) Invasive speciesC) Keystone speciesD) Migratory species Show Answer Correct Answer: B) Invasive speciesExplanation: Invasive species are non-native species that can outcompete native species and disrupt ecosystem balance, causing ecological harm. 14. Which environmental issue is associated with the depletion of the ozone layer? A) Global warmingB) Ocean acidificationC) Increased UV radiationD) Desertification Show Answer Correct Answer: C) Increased UV radiationExplanation: Depletion of the ozone layer allows more UV radiation to reach the Earth’s surface, leading to potential health and environmental issues. 15. Which of the following practices is important for sustainable agriculture? A) Crop rotationB) Chemical pesticide useC) MonocroppingD) Overirrigation Show Answer Correct Answer: A) Crop rotationExplanation: Crop rotation is important for sustainable agriculture as it helps maintain soil fertility, reduce pest and disease problems, and improve crop yields. 16. Which of the following is an example of an ecosystem service provided by forests? A) Water purificationB) Plastic productionC) Fossil fuel extractionD) Urban development Show Answer Correct Answer: A) Water purificationExplanation: Forests provide ecosystem services such as water purification by filtering and regulating water flow through their vegetation and soil. 17. Which environmental policy focuses on reducing carbon emissions from energy production? A) Clean Power PlanB) Endangered Species ActC) Marine Protection ActD) Wilderness Act Show Answer Correct Answer: A) Clean Power PlanExplanation: The Clean Power Plan aims to reduce carbon emissions from power plants and promote cleaner energy sources to combat climate change. 18. Which of the following is an example of a non-renewable resource? A) Solar energyB) Wind powerC) Natural gasD) Geothermal energy Show Answer Correct Answer: C) Natural gasExplanation: Natural gas is a non-renewable resource that cannot be replenished quickly and contributes to greenhouse gas emissions when burned. 19. Which type of forest is characterized by coniferous trees and long, cold winters? A) Tropical rainforestB) Boreal forestC) Temperate deciduous forestD) Mediterranean forest Show Answer Correct Answer: B) Boreal forestExplanation: Boreal forests, also known as taiga, are characterized by coniferous trees and long, cold winters, found in high northern latitudes. 20. Which of the following is an example of an ecosystem service provided by wetlands? A) Carbon sequestrationB) Air purificationC) Noise reductionD) Urban cooling Show Answer Correct Answer: A) Carbon sequestrationExplanation: Wetlands act as carbon sinks, sequestering carbon dioxide from the atmosphere and helping to mitigate climate change. ! Report Error Share this with your friends Solve More MCQs on Environment and Ecology Back MCQs History MCQs Geography MCQs Polity MCQs Economy MCQs Physics MCQs Chemistry MCQs Biology MCQs Art and Culture MCQs Science and Technology MCQs Environment and Ecology MCQs Inventions and Discoveries MCQs Awards and Honors MCQs Important days and dates MCQs Famous Personalities MCQs on Environment and Ecology [Set –

MCQs on Environment and Ecology [Set – 3]

MCQs Static GK, MCQs Environment and Ecology

MCQs on Environment and Ecology [Set – 3] 1.What is the primary function of mangroves in coastal ecosystems? A) Produce oxygenB) Protect against soil erosionC) Store carbon dioxideD) Regulate climate Show Answer Correct Answer: B) Protect against soil erosionExplanation: Mangroves protect coastal areas from soil erosion, storm surges, and flooding by stabilizing the shoreline with their extensive root systems. 2. Which type of organism is typically found at the top of the food chain? A) HerbivoresB) OmnivoresC) CarnivoresD) Decomposers Show Answer Correct Answer: C) CarnivoresExplanation: Carnivores are typically apex predators and occupy the top position in the food chain, feeding on herbivores and other carnivores. 3. Which of the following is the largest source of freshwater on Earth? A) RiversB) LakesC) GlaciersD) Groundwater Show Answer Correct Answer: C) GlaciersExplanation: Glaciers and ice caps hold the largest proportion of Earth’s freshwater, though much of it is not easily accessible for human use. 4. Which of the following is the largest reservoir of carbon in the carbon cycle? A) AtmosphereB) OceansC) SoilD) Fossil fuels Show Answer Correct Answer: B) OceansExplanation: The oceans act as the largest carbon sink, absorbing large amounts of carbon dioxide from the atmosphere. 5. What is the term for species that are native and confined to a particular geographical area? A) EndemicB) ExoticC) InvasiveD) Migratory Show Answer Correct Answer: A) EndemicExplanation: Endemic species are native to a specific region and are not found naturally anywhere else. 6. What is the role of detritivores in an ecosystem? A) PollinationB) DecompositionC) Primary productionD) Predation Show Answer Correct Answer: B) DecompositionExplanation: Detritivores, such as earthworms and fungi, decompose dead organic material and help recycle nutrients in the ecosystem. 7. Which of the following is not a greenhouse gas? A) Water vaporB) MethaneC) OxygenD) Nitrous oxide Show Answer Correct Answer: C) OxygenExplanation: Oxygen is not a greenhouse gas; greenhouse gases trap heat in the Earth’s atmosphere, contributing to global warming. 8. Which of the following best describes the term “bioaccumulation”? A) Accumulation of species in an ecosystemB) Accumulation of nutrients in plantsC) Accumulation of toxic substances in organismsD) Accumulation of carbon dioxide in the atmosphere Show Answer Correct Answer: C) Accumulation of toxic substances in organismsExplanation: Bioaccumulation refers to the build-up of toxic substances, such as heavy metals and pesticides, in the tissues of living organisms over time. 9. What is the process by which nitrates are converted back into nitrogen gas? A) Nitrogen fixationB) DenitrificationC) AmmonificationD) Nitrification Show Answer Correct Answer: B) DenitrificationExplanation: Denitrification is the process by which nitrates are converted back into nitrogen gas by bacteria, returning nitrogen to the atmosphere. 10. Which of the following is a key factor in desertification? A) Acid rainB) DeforestationC) Global warmingD) Soil erosion Show Answer Correct Answer: B) DeforestationExplanation: Deforestation leads to loss of vegetation, which contributes to soil erosion and eventually desertification, especially in arid regions. 11. Which of the following is the main driver of habitat loss globally? A) UrbanizationB) Ocean acidificationC) Conservation effortsD) Volcanic eruptions Show Answer Correct Answer: A) UrbanizationExplanation: Urbanization, driven by human population growth and development, is one of the main causes of habitat loss worldwide. 12. Which region is home to the most significant percentage of Earth’s tropical rainforests? A) AfricaB) AsiaC) South AmericaD) Australia Show Answer Correct Answer: C) South AmericaExplanation: South America, particularly the Amazon Basin, holds the largest percentage of Earth’s tropical rainforests. 13. Which ecosystem is most vulnerable to rising sea levels due to climate change? A) GrasslandsB) DesertsC) Coastal wetlandsD) Mountains Show Answer Correct Answer: C) Coastal wetlandsExplanation: Coastal wetlands, including mangroves and salt marshes, are vulnerable to rising sea levels, which can lead to habitat loss and increased flooding. 14. What is the term for the over-enrichment of water bodies with nutrients, leading to excessive plant growth? A) EutrophicationB) AcidificationC) BioaccumulationD) Salinization Show Answer Correct Answer: A) EutrophicationExplanation: Eutrophication is the process by which water bodies become over-enriched with nutrients, often from agricultural runoff, leading to algal blooms and oxygen depletion. 15. Which of the following species is considered an invasive species in India? A) NilgaiB) House sparrowC) Water hyacinthD) Peacock Show Answer Correct Answer: C) Water hyacinthExplanation: Water hyacinth is an invasive aquatic plant species in India, known for its rapid growth and the threat it poses to water bodies and biodiversity. 16. Which natural disaster is often linked to deforestation? A) EarthquakesB) FloodsC) VolcanoesD) Hurricanes Show Answer Correct Answer: B) FloodsExplanation: Deforestation can lead to increased runoff and reduced soil absorption, which increases the risk of floods in deforested areas. 17. Which practice involves planting trees to restore degraded lands and improve ecosystems? A) AfforestationB) DeforestationC) ReforestationD) Urbanization Show Answer Correct Answer: C) ReforestationExplanation: Reforestation is the process of planting trees in areas where forests have been previously cut down or degraded to restore ecological balance. 18. Which of the following is considered a non-renewable resource? A) Wind energyB) Solar energyC) Natural gasD) Biomass Show Answer Correct Answer: C) Natural gasExplanation: Natural gas is a non-renewable resource formed from fossilized organic matter and cannot be replenished on a human timescale. 19. Which of the following species is an example of a migratory species? A) Monarch butterflyB) ElephantC) PenguinD) Sea urchin Show Answer Correct Answer: A) Monarch butterflyExplanation: Monarch butterflies are known for their long migration from North America to Mexico, traveling thousands of miles annually. 20. Which of the following practices is most likely to contribute to soil salinization? A) Organic farmingB) OverirrigationC) Crop rotationD) Conservation tillage Show Answer Correct Answer: B) OverirrigationExplanation: Overirrigation can lead to the accumulation of salts in the soil, a process known as soil salinization, which can reduce crop yields. ! Report Error Share this with your friends Solve More MCQs on Environment and Ecology Back MCQs History MCQs Geography MCQs Polity MCQs Economy MCQs Physics MCQs Chemistry MCQs Biology MCQs Art and Culture MCQs Science and Technology MCQs Environment and Ecology MCQs Inventions and Discoveries MCQs Awards and Honors MCQs Important days and dates MCQs Famous Personalities MCQs on Environment and Ecology [Set – 5] Solve MCQs MCQs on Environment and Ecology [Set – 4] Solve MCQs MCQs on Environment and Ecology [Set – 2] Solve MCQs MCQs on Environment and Ecology [Set – 1] Solve MCQs Show All

MCQs on Environment and Ecology [Set – 2]

MCQs Static GK, MCQs Environment and Ecology

MCQs on Environment and Ecology [Set – 2] 1.Which of the following is a non-renewable energy source? A) Solar energyB) Wind energyC) CoalD) Hydroelectric power Show Answer Correct Answer: C) CoalExplanation: Coal is a non-renewable energy source because it takes millions of years to form and cannot be replenished on a human timescale. 2. What does the term ‘endemic species’ refer to? A) Species found only in specific regionsB) Species found worldwideC) Migratory speciesD) Invasive species Show Answer Correct Answer: A) Species found only in specific regionsExplanation: Endemic species are those that are native to and found only within a particular geographic region. 3. What is the process of breaking down pollutants using microorganisms called? A) EutrophicationB) BioaccumulationC) BioremediationD) Transpiration Show Answer Correct Answer: C) BioremediationExplanation: Bioremediation is the process by which living organisms, primarily microorganisms, break down harmful pollutants into less toxic or non-toxic substances. 4. Which of the following biomes is characterized by permafrost? A) DesertB) Tropical rainforestC) TundraD) Savanna Show Answer Correct Answer: C) TundraExplanation: The tundra biome is characterized by permafrost, a permanently frozen layer of soil, which limits the growth of trees and plants. 5. What is the goal of the Kyoto Protocol? A) Prevent deforestationB) Reduce greenhouse gas emissionsC) Conserve water resourcesD) Combat plastic pollution Show Answer Correct Answer: B) Reduce greenhouse gas emissionsExplanation: The Kyoto Protocol is an international treaty that commits participating countries to reduce greenhouse gas emissions to combat climate change. 6. What type of organism is at the base of most ecosystems’ food chains? A) CarnivoresB) ProducersC) DecomposersD) Herbivores Show Answer Correct Answer: B) ProducersExplanation: Producers, such as plants and algae, are organisms that produce their own food through photosynthesis and form the base of most ecosystems’ food chains. 7. Which gas contributes most significantly to acid rain? A) OxygenB) NitrogenC) Sulfur dioxideD) Helium Show Answer Correct Answer: C) Sulfur dioxideExplanation: Sulfur dioxide, primarily released from burning fossil fuels, combines with water in the atmosphere to form sulfuric acid, which leads to acid rain. 8. Which of the following is the most significant source of water pollution? A) UrbanizationB) Industrial wasteC) Volcanic activityD) Overpopulation Show Answer Correct Answer: B) Industrial wasteExplanation: Industrial waste, including chemicals and heavy metals, is a major source of water pollution and harms aquatic ecosystems. 9. What is the primary component of natural gas? A) ButaneB) PropaneC) MethaneD) Ethane Show Answer Correct Answer: C) MethaneExplanation: Methane is the main component of natural gas, contributing to both energy production and greenhouse gas emissions. 10. What is the primary cause of species extinction in modern times? A) PollutionB) OverharvestingC) Habitat destructionD) Climate change Show Answer Correct Answer: C) Habitat destructionExplanation: Habitat destruction, driven by deforestation, urbanization, and agriculture, is the leading cause of species extinction today. 11. Which of the following is an example of an endangered species? A) House sparrowB) Bengal tigerC) CatfishD) Common pigeon Show Answer Correct Answer: B) Bengal tigerExplanation: The Bengal tiger is an endangered species due to poaching, habitat loss, and human-wildlife conflict. 12. Which international body is responsible for assessing the science related to climate change? A) UNEPB) IUCNC) IPCCD) WHO Show Answer Correct Answer: C) IPCCExplanation: The Intergovernmental Panel on Climate Change (IPCC) is the UN body responsible for assessing the science related to climate change and providing reports on its impacts and potential responses. 13. Which phenomenon is mainly responsible for coral bleaching? A) Ocean acidificationB) Water pollutionC) OverfishingD) Rising sea temperatures Show Answer Correct Answer: D) Rising sea temperaturesExplanation: Coral bleaching occurs when rising sea temperatures cause corals to expel the symbiotic algae living in their tissues, leading to a loss of color and vitality. 14. What is the main consequence of overfishing in marine ecosystems? A) Increased biodiversityB) Depletion of fish populationsC) Coral reef growthD) Increased algal blooms Show Answer Correct Answer: B) Depletion of fish populationsExplanation: Overfishing depletes fish populations, disrupting marine ecosystems and affecting the livelihoods of communities dependent on fisheries. 15. What is the process of converting waste materials into new materials or products called? A) CompostingB) RecyclingC) DecompositionD) Incineration Show Answer Correct Answer: B) RecyclingExplanation: Recycling is the process of converting waste materials into new materials or products, reducing the need for virgin resources and lowering environmental impact. 16. Which layer of the Earth’s atmosphere contains the ozone layer? A) TroposphereB) StratosphereC) MesosphereD) Thermosphere Show Answer Correct Answer: B) StratosphereExplanation: The ozone layer, which protects the Earth from harmful UV radiation, is located in the stratosphere. 17. Which of the following is a biotic factor in an ecosystem? A) WaterB) TemperatureC) BacteriaD) Minerals Show Answer Correct Answer: C) BacteriaExplanation: Biotic factors refer to living components in an ecosystem, such as plants, animals, and microorganisms like bacteria. 18. Which of the following is a natural cause of climate change? A) Volcanic eruptionsB) DeforestationC) Fossil fuel combustionD) Industrial activities Show Answer Correct Answer: A) Volcanic eruptionsExplanation: Volcanic eruptions release gases and particles into the atmosphere, affecting the Earth’s climate temporarily by blocking sunlight. 19. Which of the following gases is primarily responsible for the formation of ground-level ozone? A) MethaneB) Carbon monoxideC) Nitrogen oxidesD) Sulfur dioxide Show Answer Correct Answer: C) Nitrogen oxidesExplanation: Nitrogen oxides, when combined with volatile organic compounds (VOCs) in the presence of sunlight, lead to the formation of ground-level ozone, a harmful air pollutant. 20. Which of the following energy sources is the least polluting? A) CoalB) Natural gasC) Nuclear energyD) Solar energy Show Answer Correct Answer: D) Solar energyExplanation: Solar energy is a clean and renewable source of power that generates electricity without emitting pollutants or greenhouse gases. ! Report Error Share this with your friends Solve More MCQs on Environment and Ecology Back MCQs History MCQs Geography MCQs Polity MCQs Economy MCQs Physics MCQs Chemistry MCQs Biology MCQs Art and Culture MCQs Science and Technology MCQs Environment and Ecology MCQs Inventions and Discoveries MCQs Awards and Honors MCQs Important days and dates MCQs Famous Personalities MCQs on Environment and Ecology [Set – 5] Solve MCQs MCQs on Environment and Ecology [Set – 4] Solve MCQs MCQs on Environment and Ecology [Set – 3] Solve MCQs MCQs on Environment and Ecology [Set – 1] Solve MCQs Show All

MCQs on Science and Technology [Set – 6]

MCQs Static GK, MCQs Science and Technology

MCQs on Science and Technology [Set – 6] 1. Which Indian missile system is designed for short-range ballistic missile defense? A) AgniB) PrithviC) AkashD) S-400 Show Answer Correct Answer: C) AkashExplanation: The Akash missile system is designed for short-range ballistic missile defense, providing protection against aerial threats. 2. Which Indian submarine is part of the country’s nuclear-powered submarine fleet? A) INS KalvariB) INS ArihantC) INS KhanderiD) INS Sindhukirti Show Answer Correct Answer: B) INS ArihantExplanation: INS Arihant is a nuclear-powered submarine and a crucial component of India’s nuclear triad, enhancing the country’s strategic capabilities. 3. Which defense technology is used to track and destroy incoming missiles? A) Anti-Satellite Missile SystemB) Ballistic Missile Defense SystemC) Laser Defense SystemD) Cruise Missile Defense System Show Answer Correct Answer: B) Ballistic Missile Defense SystemExplanation: The Ballistic Missile Defense System is used to track and intercept incoming missiles, providing protection against ballistic threats. 4. What is the primary objective of the Integrated Guided Missile Development Programme (IGMDP) in India? A) To develop advanced missile technologiesB) To enhance naval defense capabilitiesC) To improve radar systemsD) To develop air defense systems Show Answer Correct Answer: A) To develop advanced missile technologiesExplanation: The IGMDP aims to develop advanced missile technologies, including ballistic and cruise missiles, to strengthen India’s defense capabilities. 5. Which process involves the splitting of atomic nuclei to release energy? A) Nuclear FusionB) Nuclear FissionC) Nuclear DecayD) Nuclear Absorption Show Answer Correct Answer: B) Nuclear FissionExplanation: Nuclear fission involves splitting atomic nuclei to release energy, a process used in nuclear reactors and atomic bombs. 6. Which international project aims to develop nuclear fusion as a viable energy source? A) ITERB) CANDUC) TokamakD) HIFAR Show Answer Correct Answer: A) ITERExplanation: ITER (International Thermonuclear Experimental Reactor) is an international project focused on developing nuclear fusion as a sustainable energy source. 7. What type of reactor is known for its use in nuclear submarines and aircraft carriers? A) Pressurized Water Reactor (PWR)B) Boiling Water Reactor (BWR)C) Fast Breeder Reactor (FBR)D) Liquid Metal Fast Breeder Reactor (LMFBR) Show Answer Correct Answer: A) Pressurized Water Reactor (PWR)Explanation: The Pressurized Water Reactor (PWR) is commonly used in nuclear submarines and aircraft carriers due to its efficiency and safety features. 8. Which technology is used to create a decentralized and secure digital ledger of transactions? A) Artificial IntelligenceB) Cloud ComputingC) Blockchain TechnologyD) Quantum Computing Show Answer Correct Answer: C) Blockchain TechnologyExplanation: Blockchain technology creates a decentralized and secure digital ledger of transactions, widely used in cryptocurrencies and other applications. 9. Which technology is used to convert organic waste into energy and compost? A) GasificationB) Anaerobic DigestionC) PyrolysisD) Incineration Show Answer Correct Answer: B) Anaerobic DigestionExplanation: Anaerobic digestion is used to convert organic waste into biogas (energy) and compost, providing a sustainable waste management solution. 10. Which Indian scientist is known for his work in the field of nuclear physics and is considered the father of the Indian nuclear program? A) Vikram SarabhaiB) CNR RaoC) APJ Abdul KalamD) Homi Bhabha Show Answer Correct Answer: D) Homi BhabhaExplanation: Homi Bhabha is renowned for his pioneering work in nuclear physics and played a key role in establishing India’s nuclear program. 11. What type of nanomaterial is commonly used in electronics to improve device performance? A) NanotubesB) NanocapsulesC) NanoparticlesD) Nanosheets Show Answer Correct Answer: A) NanotubesExplanation: Nanotubes, such as carbon nanotubes, are used in electronics to improve device performance due to their exceptional electrical and thermal conductivity. 12. Which aircraft is a multirole fighter jet developed by France and acquired by India? A) RafaleB) Mirage 2000C) Su-30MKID) F-16 Show Answer Correct Answer: A) RafaleExplanation: The Rafale is a multirole fighter jet developed by France, and India has acquired it for enhancing its air defense capabilities. 13. Which Indian defense research organization is responsible for the development of missile technology? A) HALB) DRDOC) ISROD) BDL Show Answer Correct Answer: B) DRDOExplanation: The Defense Research and Development Organisation (DRDO) is responsible for developing various missile technologies and defense systems in India. 14. Which satellite technology is used for precise navigation and positioning in India? A) GLONASSB) GPSC) NAVICD) Galileo Show Answer Correct Answer: C) NAVICExplanation: NAVIC (Navigation with Indian Constellation) is India’s satellite navigation system, providing accurate positioning and navigation services. 15. Which nanomaterial is commonly used in the manufacturing industry for its strength and lightweight properties? A) Carbon NanotubesB) GrapheneC) Quantum DotsD) Silver Nanoparticles Show Answer Correct Answer: B) GrapheneExplanation: Graphene is a nanomaterial known for its exceptional strength and lightweight properties, making it valuable in various manufacturing applications. 16. Which Indian physicist is renowned for his work in quantum mechanics and statistical physics? A) S. ChandrasekharB) Homi BhabhaC) C. N. R. RaoD) Satyendra Nath Bose Show Answer Correct Answer: D) Satyendra Nath BoseExplanation: Satyendra Nath Bose is known for his contributions to quantum mechanics and his work on Bose-Einstein statistics. 17. Which award is considered one of the highest honors for scientific research in India? A) Shanti Swarup Bhatnagar AwardB) Nobel PrizeC) Ramon Magsaysay AwardD) Bharat Ratna Show Answer Correct Answer: A) Shanti Swarup Bhatnagar AwardExplanation: The Shanti Swarup Bhatnagar Award is one of the highest honors given in India for outstanding contributions to science and technology. 18. Which ancient Indian mathematician is known for his work on the concept of zero? A) AryabhattaB) BrahmaguptaC) Bhaskara ID) Ramanujan Show Answer Correct Answer: B) BrahmaguptaExplanation: Brahmagupta made significant contributions to the concept of zero and algebra in ancient Indian mathematics. 19. Which ancient Indian physician is known for his work in Ayurveda and surgical techniques? A) VagbhataB) CharakaC) SushrutaD) Panini Show Answer Correct Answer: C) SushrutaExplanation: Sushruta is renowned for his contributions to Ayurveda, particularly for his work on surgical techniques and medical procedures. 20. Who is credited with the early development of the concept of gravity in ancient India? A) AryabhattaB) Bhaskara IC) BrahmaguptaD) Charaka Show Answer Correct Answer: B) Bhaskara IExplanation: Bhaskara I made early contributions to the concept of gravity and other astronomical theories in ancient Indian science. ! Report Error Share this with your friends Solve More MCQs on Science and Technology Back MCQs History MCQs Geography MCQs Polity MCQs Economy MCQs Physics

MCQs on Science and Technology [Set – 5]

MCQs Static GK, MCQs Science and Technology

MCQs on Science and Technology [Set – 5] 1. Which satellite navigation system is developed by India to provide accurate positioning information? A) GPSB) GAGANC) GLONASSD) Galileo Show Answer Correct Answer: B) GAGANExplanation: GAGAN (GPS Aided GEO Augmented Navigation) is India’s satellite-based navigation system developed to enhance accuracy in positioning. 2. Which mission is India’s first interplanetary mission? A) MangalyaanB) Chandrayaan-1C) GaganyaanD) Shukrayaan-1 Show Answer Correct Answer: A) MangalyaanExplanation: Mangalyaan, or the Mars Orbiter Mission, was India’s first interplanetary mission aimed at studying Mars. 3. Which Indian missile is part of the Integrated Guided Missile Development Programme? A) BrahMosB) AgniC) PrithviD) Nirbhay Show Answer Correct Answer: B) AgniExplanation: The Agni missile is part of India’s Integrated Guided Missile Development Programme, which aims to develop a range of strategic missiles. 4. What is the primary purpose of the Indian Neutrino Observatory (INO)? A) Observe dark matterB) Research cosmic raysC) Explore black holesD) Study neutrinos Show Answer Correct Answer: D) Study neutrinosExplanation: The Indian Neutrino Observatory (INO) is designed to study neutrinos, fundamental particles that are difficult to detect. 5. Which Indian scientist made significant contributions to the field of biotechnology, specifically in the development of GM crops? A) M.S. SwaminathanB) Verghese KurienC) C.N.R. RaoD) A.P.J. Abdul Kalam Show Answer Correct Answer: A) M.S. SwaminathanExplanation: M.S. Swaminathan is known for his contributions to agricultural biotechnology, including the development of genetically modified (GM) crops. 6. Which Indian scientist is known for his contributions to the development of space technology and satellite launch vehicles? A) A.P.J. Abdul KalamB) Homi BhabhaC) Vikram SarabhaiD) C.V. Raman Show Answer Correct Answer: C) Vikram SarabhaiExplanation: Vikram Sarabhai is recognized for his significant contributions to the development of India’s space program and satellite launch vehicles. 7. Which Indian space mission was designed to study the Sun and its outer atmosphere? A) Aditya-L1B) Chandrayaan-2C) MangalyaanD) RISAT Show Answer Correct Answer: A) Aditya-L1Explanation: Aditya-L1 is India’s mission to study the Sun and its outer atmosphere, providing insights into solar activities. 8. Which Indian scientist is renowned for his contributions to the field of quantum computing? A) N. R. Narayana MurthyB) C.V. RamanC) Satyendra Nath BoseD) A.P.J. Abdul Kalam Show Answer Correct Answer: C) Satyendra Nath BoseExplanation: Satyendra Nath Bose’s work laid the foundation for quantum mechanics, which is crucial for the development of quantum computing. 9. What is the primary application of blockchain technology beyond cryptocurrencies? A) Wireless ChargingB) Quantum ComputingC) Augmented RealityD) Supply Chain Management Show Answer Correct Answer: D) Supply Chain ManagementExplanation: Blockchain technology is used in supply chain management to ensure transparency and traceability of goods as they move through the supply chain. 10. Which technology is used to secure digital transactions and communications through cryptographic algorithms? A) Intrusion Detection System (IDS)B) Virtual Private Network (VPN)C) Public Key Infrastructure (PKI)D) Firewall Show Answer Correct Answer: C) Public Key Infrastructure (PKI)Explanation: Public Key Infrastructure (PKI) uses cryptographic algorithms to secure digital transactions and communications by providing digital certificates and encryption. 11. Which Indian scientist is known as the “Father of the Indian Space Program”? A) Sir C.V. RamanB) Homi J. BhabhaC) Satyendra Nath BoseD) Aryabhata Show Answer Correct Answer: B) Homi J. BhabhaExplanation: Homi J. Bhabha is credited with founding the Bhabha Atomic Research Centre (BARC) and significantly contributing to nuclear science in India. 12. What role do nanoparticles play in the food industry? A) Enhancing flavor and textureB) Increasing shelf lifeC) Improving nutrient absorptionD) All of the above Show Answer Correct Answer: D) All of the aboveExplanation: Nanoparticles are used in the food industry to enhance flavor, texture, shelf life, and nutrient absorption, among other benefits. 13. Who was awarded the Shanti Swarup Bhatnagar Prize for his research in the field of physical sciences? A) Satyendra Nath BoseB) Sir C.V. RamanC) Homi J. BhabhaD) S. Chandrasekhar Show Answer Correct Answer: D) S. ChandrasekharExplanation: S. Chandrasekhar, known for his work on the structure and evolution of stars, was awarded the Shanti Swarup Bhatnagar Prize for his contributions to physical sciences. 14. Which Indian mathematician is celebrated for his contributions to number theory and mathematical analysis and was a contemporary of Srinivasa Ramanujan? A) C.R. RaoB) R. NarasimhanC) Satyendra Nath BoseD) Har Gobind Khorana Show Answer Correct Answer: B) R. NarasimhanExplanation: R. Narasimhan made significant contributions to mathematics, particularly in number theory and mathematical analysis, alongside his contemporary Srinivasa Ramanujan. 15. Who is known as the “Milkman of India” for his role in the dairy industry? A) MS SwaminathanB) Homi J. BhabhaC) Verghese KurienD) APJ Abdul Kalam Show Answer Correct Answer: C) Verghese KurienExplanation: Verghese Kurien played a key role in the development of India’s dairy industry, making significant contributions to milk production and distribution. 16. What is the primary function of the Indian GAGAN system? A) Satellite-based communicationB) Satellite navigationC) Earth observationD) Space exploration Show Answer Correct Answer: B) Satellite navigationExplanation: The GAGAN (GPS Aided GEO Augmented Navigation) system enhances satellite navigation services in India by providing accurate positional data. 17. Which Indian mission is aimed at studying the surface and atmosphere of Venus? A) Shukrayaan 1B) MangalyaanC) Chandrayaan 2D) Astrosat Show Answer Correct Answer: A) Shukrayaan 1Explanation: The Shukrayaan 1 mission is designed to study Venus’s surface and atmosphere to gain insights into the planet’s geological and climatic conditions. 18. Which of the following is NOT a typical application of nanotechnology in agriculture? A) Pest controlB) Soil remediationC) Fertilizer enhancementD) Genetic modification of crops Show Answer Correct Answer: D) Genetic modification of cropsExplanation: Nanotechnology applications in agriculture include pest control, soil remediation, and fertilizer enhancement but do not directly involve genetic modification. 19. What is one advantage of using nanomaterials in electronics? A) Improved thermal insulationB) Reduced material costsC) Enhanced electrical conductivityD) Increased mechanical strength Show Answer Correct Answer: C) Enhanced electrical conductivityExplanation: Nanomaterials can significantly enhance electrical conductivity, making them valuable in electronic devices and components. 20. Which technology is used to identify and characterize microorganisms by analyzing their genetic material? A) DNA SequencingB) PCRC) ELISAD) Microarray Show Answer Correct Answer: A) DNA SequencingExplanation: DNA sequencing is used to identify and characterize microorganisms by analyzing their genetic material, providing detailed genetic information. ! Report Error Share

MCQs on Science and Technology [Set – 4]

MCQs Static GK, MCQs Science and Technology

MCQs on Science and Technology [Set – 4] 1. What was the main objective of the “Parker Solar Probe” mission? A) To measure the solar windB) To study Jupiter’s ringsC) To map the Moon’s surfaceD) To explore asteroids Show Answer Correct Answer: A) To measure the solar windExplanation: The Parker Solar Probe is designed to study the Sun’s outer atmosphere and measure solar wind properties up close. 2. Which spacecraft successfully landed on the asteroid Bennu to collect samples? A) OSIRIS-RExB) Hayabusa2C) RosettaD) Stardust Show Answer Correct Answer: A) OSIRIS-RExExplanation: OSIRIS-REx landed on asteroid Bennu to collect samples, which are expected to return to Earth for analysis. 3. What is the purpose of the “SpaceX Starship” vehicle? A) To service the ISSB) To conduct lunar landingsC) To enable interplanetary travelD) To launch satellites Show Answer Correct Answer: C) To enable interplanetary travelExplanation: SpaceX’s Starship is designed for interplanetary travel, with ambitions to transport humans to Mars and beyond. 4. Which mission is known for successfully landing on a comet? A) Voyager 2B) RosettaC) New HorizonsD) Cassini Show Answer Correct Answer: B) RosettaExplanation: The Rosetta mission successfully landed the Philae lander on comet 67P/Churyumov–Gerasimenko, providing valuable data on cometary composition. 5. Which satellite is known for providing real-time weather updates and disaster monitoring? A) HubbleB) GOESC) SpitzerD) Chandra Show Answer Correct Answer: B) GOESExplanation: The Geostationary Operational Environmental Satellites (GOES) provide real-time weather updates and disaster monitoring from geostationary orbit. 6. Which recent mission aimed to explore the asteroid Ryugu and return samples to Earth? A) OSIRIS-RExB) RosettaC) Hayabusa2D) Deep Impact Show Answer Correct Answer: C) Hayabusa2Explanation: The Hayabusa2 mission, led by JAXA, explored the asteroid Ryugu and successfully returned samples to Earth for analysis. 7. What is the purpose of the “ROSETTA” mission? A) To explore a cometB) To map the MoonC) To study JupiterD) To observe distant galaxies Show Answer Correct Answer: A) To explore a cometExplanation: The ROSETTA mission aimed to explore comet 67P/Churyumov–Gerasimenko and deploy the Philae lander on its surface. 8. Which recent technology has been used for detecting exoplanets via gravitational microlensing? A) Kepler Space TelescopeB) TESSC) OGLED) Gaia Show Answer Correct Answer: C) OGLEExplanation: The Optical Gravitational Lensing Experiment (OGLE) has been used to detect exoplanets through gravitational microlensing. 9. Which technology is used to simulate microgravity environments for space research? A) Parabolic flightB) Vacuum chambersC) CentrifugesD) Cryostats Show Answer Correct Answer: A) Parabolic flightExplanation: Parabolic flight provides a microgravity environment for short periods, simulating space conditions for research and experiments. 10. Which satellite mission is known for mapping the Earth’s gravitational field in detail? A) GOESB) GRACEC) LandsatD) Terra Show Answer Correct Answer: B) GRACEExplanation: The Gravity Recovery and Climate Experiment (GRACE) mission maps Earth’s gravitational field and studies variations in water and ice distribution. 11. What is the main purpose of the “Gaia” mission? A) To study exoplanetsB) To observe cosmic microwave backgroundC) To map the Milky Way galaxyD) To explore asteroids Show Answer Correct Answer: C) To map the Milky Way galaxyExplanation: The Gaia mission aims to create a detailed three-dimensional map of the Milky Way galaxy, including the positions and motions of stars. 12. Which mission is focused on studying the effects of solar wind on planetary atmospheres? A) MAVENB) JunoC) New HorizonsD) Cassini Show Answer Correct Answer: A) MAVENExplanation: The Mars Atmosphere and Volatile Evolution (MAVEN) mission studies how solar wind affects Mars’ atmosphere and climate. 13. Which mission was responsible for studying Saturn and its moons, including the magnetic field and subsurface ocean of Enceladus? A) CassiniB) Voyager 2C) JunoD) Galileo Show Answer Correct Answer: A) CassiniExplanation: The Cassini mission studied Saturn and its moons, including the magnetic field and subsurface ocean of Enceladus. 14. Which technology is used to explore the interiors of distant planets and moons? A) MagnetometersB) SpectrometersC) SeismometersD) Imaging cameras Show Answer Correct Answer: C) SeismometersExplanation: Seismometers, such as those used in missions like InSight, explore the interiors of planets and moons by measuring seismic activity. 15. Which recent advancement allows for improved imaging of distant exoplanets? A) SpectrographsB) Adaptive opticsC) Space-based interferometryD) Coronagraphs Show Answer Correct Answer: D) CoronagraphsExplanation: Coronagraphs block out starlight, allowing for improved imaging of distant exoplanets and their atmospheres by reducing the glare from their parent stars. 16. What technology is used to explore the Moon’s surface and search for water ice deposits? A) Lunar roversB) Orbital spectrometersC) Lunar landersD) High-resolution imaging satellites Show Answer Correct Answer: B) Orbital spectrometersExplanation: Orbital spectrometers detect water ice deposits on the Moon’s surface by analyzing reflected sunlight and identifying water signatures. 17. Which space mission is known for studying the structure and dynamics of Jupiter’s magnetic field? A) Voyager 1B) GalileoC) JunoD) Cassini Show Answer Correct Answer: C) JunoExplanation: The Juno mission studies Jupiter’s magnetic field, providing insights into its structure and dynamics through detailed observations. 18. Which space mission aims to explore the possibility of life on Mars by analyzing soil samples? A) Mars OdysseyB) SpiritC) CuriosityD) Opportunity Show Answer Correct Answer: C) CuriosityExplanation: The Curiosity rover analyzes soil samples on Mars to search for signs of past life and understand the planet’s habitability. 19. Which mission provided the first direct evidence of water on the Moon’s surface? A) Lunar Reconnaissance OrbiterB) Chandrayaan-1C) Apollo 11D) Chang’e 5 Show Answer Correct Answer: B) Chandrayaan-1Explanation: Chandrayaan-1 provided the first direct evidence of water molecules on the Moon’s surface, significantly impacting lunar exploration. 20. Which technology is used to analyze the magnetic fields of distant astronomical objects? A) MagnetometersB) SpectrometersC) Radio telescopesD) Gamma-ray detectors Show Answer Correct Answer: A) MagnetometersExplanation: Magnetometers measure the magnetic fields of distant astronomical objects, providing data on their magnetic environments and interactions. ! Report Error Share this with your friends Solve More MCQs on Science and Technology Back MCQs History MCQs Geography MCQs Polity MCQs Economy MCQs Physics MCQs Chemistry MCQs Biology MCQs Art and Culture MCQs Science and Technology MCQs Environment and Ecology MCQs Inventions and Discoveries MCQs Awards and Honors MCQs Important days and dates MCQs Famous Personalities MCQs on Science and Technology [Set – 6] Solve MCQs MCQs on Science and Technology [Set – 5]

MCQs on Science and Technology [Set – 3]

MCQs Static GK, MCQs Science and Technology

MCQs on Science and Technology [Set – 3] 1. Which space mission provided the first detailed images of Pluto’s surface? A) Voyager 1B) New HorizonsC) CassiniD) Juno Show Answer Correct Answer: B) New HorizonsExplanation: The New Horizons mission provided the first detailed images and scientific data of Pluto’s surface when it flew by in 2015. 2. What is the primary component of the Sun’s core? A) IronB) HydrogenC) HeliumD) Carbon Show Answer Correct Answer: B) HydrogenExplanation: The Sun’s core is primarily composed of hydrogen, which undergoes nuclear fusion to produce helium and release energy. 3. Which galaxy is closest to the Milky Way? A) Andromeda GalaxyB) Triangulum GalaxyC) Messier 87D) Large Magellanic Cloud Show Answer Correct Answer: D) Large Magellanic CloudExplanation: The Large Magellanic Cloud is the closest galaxy to the Milky Way, located about 160,000 light-years away. 4. Which planet is known for having the tallest volcano in the solar system? A) EarthB) MarsC) VenusD) Mercury Show Answer Correct Answer: B) MarsExplanation: Olympus Mons on Mars is the tallest volcano in the solar system, standing about 22 kilometers (13.6 miles) high. 5. Which technology is employed to increase the speed of internet connections over existing copper phone lines? A) Fiber-optic cablesB) Satellite internetC) Cable modemsD) Digital Subscriber Line Show Answer Correct Answer: D) Digital Subscriber LineExplanation: DSL technology increases internet speeds over traditional copper phone lines by using different frequency bands for data transmission. 6. Which programming language is known for its use in web development and scripting? A) JavaScriptB) PythonC) C++D) Java Show Answer Correct Answer: A) JavaScriptExplanation: JavaScript is widely used in web development for creating interactive and dynamic web content. 7. Which technology is used for creating digital replicas of physical objects? A) 3D printingB) Virtual RealityC) Augmented RealityD) Digital twins Show Answer Correct Answer: D) Digital twinsExplanation: Digital twins involve creating digital replicas of physical objects to monitor and analyze their performance in real-time. 8. Which technology is employed to enhance the resolution of images captured by digital cameras? A) Optical zoomB) Image stabilizationC) Digital signal processingD) High dynamic range (HDR) Show Answer Correct Answer: C) Digital signal processingExplanation: Digital signal processing (DSP) is used to enhance image resolution and quality by improving the way digital images are captured and processed. 9. Which satellite system is used for global navigation and positioning services? A) GPSB) GLONASSC) GalileoD) All of the above Show Answer Correct Answer: D) All of the aboveExplanation: GPS, GLONASS, and Galileo are satellite systems used for global navigation and positioning services, providing accurate location data. 10. What is the primary use of superconductors in technology? A) Energy storageB) High-speed computingC) Magnetic resonance imagingD) Conducting electricity with zero resistance Show Answer Correct Answer: D) Conducting electricity with zero resistanceExplanation: Superconductors conduct electricity with zero resistance, making them useful in applications like MRI machines and particle accelerators. 11. Which technology is used for wireless communication over long distances in remote areas? A) Fiber-optic cablesB) Satellite communicationC) BluetoothD) DSL Show Answer Correct Answer: B) Satellite communicationExplanation: Satellite communication enables wireless communication over long distances, especially in remote or underserved areas. 12. Which type of microscope uses electron beams instead of visible light? A) Compound microscopeB) Scanning tunneling microscopeC) Transmission electron microscopeD) Fluorescence microscope Show Answer Correct Answer: C) Transmission electron microscopeExplanation: A Transmission Electron Microscope (TEM) uses electron beams to achieve high-resolution imaging of specimens at the atomic level. 13. Which element is commonly used in LED (Light Emitting Diode) technology? A) GalliumB) PhosphorusC) SodiumD) Silver Show Answer Correct Answer: A) GalliumExplanation: Gallium is used in the production of LEDs, particularly in the form of gallium arsenide (GaAs) and gallium nitride (GaN) for efficient light emission. 14. Which country recently announced the successful testing of a hypersonic missile in 2024? A) IndiaB) RussiaC) USAD) China Show Answer Correct Answer: B) RussiaExplanation: In 2024, Russia announced the successful testing of its latest hypersonic missile, showcasing advancements in high-speed weaponry technology. 15. Which mission was the first to land on the far side of the Moon? A) Apollo 11B) Luna 2C) Chang’e 4D) Lunar Reconnaissance Orbiter Show Answer Correct Answer: C) Chang’e 4Explanation: The Chang’e 4 mission, launched by China, was the first to successfully land on the far side of the Moon in January 2019. 16. What is the name of the first private spacecraft to dock with the International Space Station (ISS)? A) DragonB) CygnusC) SoyuzD) Dream Chaser Show Answer Correct Answer: A) DragonExplanation: SpaceX’s Dragon spacecraft was the first private spacecraft to dock with the ISS, marking a significant milestone in commercial spaceflight. 17. What is the name of the mission that aims to study Jupiter’s moon Europa? A) JunoB) Europa ClipperC) VoyagerD) Cassini Show Answer Correct Answer: B) Europa ClipperExplanation: The Europa Clipper mission is designed to study Jupiter’s moon Europa, focusing on its icy surface and potential subsurface ocean. 18. What is the primary goal of the “BepiColombo” mission? A) To study SaturnB) To investigate VenusC) To observe asteroidsD) To explore Mercury Show Answer Correct Answer: D) To explore MercuryExplanation: The BepiColombo mission, a collaboration between ESA and JAXA, is designed to explore Mercury and study its surface and magnetic field. 19. Which telescope, launched in 2021, focuses on the study of gamma-ray bursts? A) HubbleB) ChandraC) SwiftD) Fermi Show Answer Correct Answer: D) FermiExplanation: The Fermi Gamma-ray Space Telescope observes gamma-ray bursts and other high-energy phenomena in the universe. 20. Which NASA rover mission landed on Mars in February 2021 with the goal of searching for ancient life? A) CuriosityB) OpportunityC) PerseveranceD) Spirit Show Answer Correct Answer: C) PerseveranceExplanation: The Perseverance rover was sent to Mars to search for signs of past life and collect samples for future missions. ! 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MCQs on Science and Technology [Set – 2]

MCQs Static GK, MCQs Science and Technology

MCQs on Science and Technology [Set – 2] 1. Which technology is utilized for ‘voice recognition’ systems? A) Natural Language Processing (NLP)B) Augmented Reality (AR)C) BlockchainD) Internet of Things (IoT) Show Answer Correct Answer: A) Natural Language Processing (NLP)Explanation: Natural Language Processing (NLP) is used in voice recognition systems to interpret and understand spoken language. 2. Which device is used to measure the intensity of earthquakes? A) AccelerometerB) ThermometerC) BarometerD) Seismograph Show Answer Correct Answer: D) SeismographExplanation: A seismograph measures and records the intensity and duration of seismic waves generated by earthquakes. 3. Which company is known for the development of the ‘HoloLens’ mixed reality device? A) GoogleB) MicrosoftC) AppleD) IBM Show Answer Correct Answer: B) MicrosoftExplanation: Microsoft developed the HoloLens, a mixed reality device that blends virtual elements with the real world for immersive experiences. 4. Which technology is used to store and process data in a decentralized manner across a network? A) Edge computingB) Cloud computingC) BlockchainD) Quantum computing Show Answer Correct Answer: C) BlockchainExplanation: Blockchain technology stores and processes data in a decentralized manner, ensuring transparency and security across a network. 5. Which device is used to determine the chemical composition of a sample by analyzing the light it emits or absorbs? A) MicroscopeB) ChromatographC) SpectrometerD) Oscilloscope Show Answer Correct Answer: C) SpectrometerExplanation: A spectrometer analyzes the light emitted or absorbed by a sample to determine its chemical composition. 6. Which space probe was the first to provide detailed images of the outer planets in our solar system? A) Voyager 1B) CassiniC) New HorizonsD) Juno Show Answer Correct Answer: A) Voyager 1Explanation: Voyager 1 was the first space probe to provide detailed images of the outer planets, including Jupiter and Saturn. 7. Which technology is used to enhance image resolution and detail in digital photography? A) High Dynamic Range (HDR)B) Optical ZoomC) Digital Signal ProcessingD) Color Correction Show Answer Correct Answer: A) High Dynamic Range (HDR)Explanation: High Dynamic Range (HDR) technology enhances image resolution and detail by capturing a wider range of brightness levels. 8. Which device is used to amplify weak electrical signals? A) ResistorB) CapacitorC) TransistorD) Diode Show Answer Correct Answer: C) TransistorExplanation: A transistor is used to amplify weak electrical signals and is a fundamental component in electronic circuits. 9. Which technology is used for ‘real-time communication’ in mobile applications? A) SMTPB) HTTPC) FTPD) WebSockets Show Answer Correct Answer: D) WebSocketsExplanation: WebSockets enable real-time communication between clients and servers, making them ideal for applications that require instant data exchange. 10. What is the primary application of ‘femtotechnology’? A) Improving network bandwidthB) Enhancing large-scale data storageC) Manipulating matter at the atomic scaleD) Developing new chemical compounds Show Answer Correct Answer: C) Manipulating matter at the atomic scaleExplanation: Femtotechnology involves manipulating matter at the atomic or subatomic scale, enabling advanced material and device creation. 11. Which company is known for pioneering the development of the ‘Graphene’ material? A) IBMB) MITC) University of ManchesterD) Stanford University Show Answer Correct Answer: C) University of ManchesterExplanation: The University of Manchester is known for pioneering the development and research of graphene, a material with exceptional electrical and mechanical properties. 12. Which technology is widely used for high-definition video content creation and broadcasting? A) HD-TelevisionB) 4K ResolutionC) 1080p DisplayD) Ultra High Definition Show Answer Correct Answer: D) Ultra High Definition Explanation: Ultra High Definition (UHD) provides significantly higher resolution and detail compared to HD-Television and 1080p Display, making it ideal for high-definition video content. 13. Which technology is used to create digital replicas of physical objects for virtual environments? A) 3D scanningB) MRI imagingC) UltrasonographyD) X-ray diffraction Show Answer Correct Answer: A) 3D scanningExplanation: 3D scanning technology creates digital replicas of physical objects, allowing them to be used in virtual environments. 14. Which tech giant recently introduced a new artificial intelligence tool designed to combat misinformation online? A) FacebookB) GoogleC) AmazonD) Twitter Show Answer Correct Answer: B) GoogleExplanation: Google introduced an AI tool aimed at identifying and combating misinformation, enhancing the credibility of online information. 15. Which recent mission aims to explore the surface of Venus for the first time in over 30 years? A) NASA’s VERITASB) ESA’s Venus ExpressC) Roscosmos’ Venera-DD) ISRO’s Shukrayaan Show Answer Correct Answer: A) NASA’s VERITASExplanation: NASA’s VERITAS mission is set to explore Venus’ surface, providing new insights into its geology and climate. 16. Which recent satellite launch is expected to provide global high-speed internet access to remote areas? A) OneWeb’s constellationB) Amazon’s Project KuiperC) SpaceX’s StarlinkD) Telesat’s LEO satellites Show Answer Correct Answer: C) SpaceX’s StarlinkExplanation: SpaceX’s Starlink project aims to deploy a large constellation of satellites to deliver high-speed internet to underserved and remote regions. 17. Which company recently achieved a major milestone in the development of autonomous shipping vessels? A) MaerskB) Royal CaribbeanC) TeslaD) Google Show Answer Correct Answer: A) MaerskExplanation: Maersk achieved a significant milestone with the development of autonomous shipping vessels, paving the way for more efficient maritime logistics. 18. Which spacecraft was the first to land on the surface of Mars? A) OpportunityB) CuriosityC) SpiritD) Viking 1 Show Answer Correct Answer: D) Viking 1Explanation: Viking 1 was the first spacecraft to successfully land on Mars in 1976, marking a significant milestone in Mars exploration. 19. Which planet in our solar system is known for having the most extensive ring system? A) JupiterB) SaturnC) UranusD) Neptune Show Answer Correct Answer: B) SaturnExplanation: Saturn is renowned for its extensive and prominent ring system, which is the most developed in our solar system. 20. What is the name of the first artificial satellite launched into space? A) Sputnik 1B) Explorer 1C) Vanguard 1D) Hubble 1 Show Answer Correct Answer: A) Sputnik 1Explanation: Sputnik 1 was the first artificial satellite launched into space by the Soviet Union in 1957, marking the beginning of the space age. ! Report Error Share this with your friends Solve More MCQs on Science and Technology Back MCQs History MCQs Geography MCQs Polity MCQs Economy MCQs Physics MCQs Chemistry MCQs Biology MCQs Art and Culture MCQs Science and Technology MCQs Environment and Ecology MCQs Inventions and Discoveries MCQs Awards and Honors MCQs Important days and dates MCQs Famous Personalities

MCQs on Art and Culture [Set – 4]

MCQs Static GK, MCQs Art and Culture

MCQs on Art and Culture [Set – 4] 1. Who among the following is considered the father of Indian classical music? A) TansenB) ThyagarajaC) Bismillah KhanD) Swami Haridas Show Answer Correct Answer: A) TansenExplanation: Tansen, a prominent figure in Indian classical music, was one of the nine jewels in Emperor Akbar’s court. He is widely regarded as the father of Indian classical music due to his immense contributions in composing ragas and popularizing the dhrupad style of singing. 2. The famous painting “Bharat Mata” was created by which Indian artist? A) Raja Ravi VarmaB) Abanindranath TagoreC) M.F. HusainD) Jamini Roy Show Answer Correct Answer: B) Abanindranath TagoreExplanation: Abanindranath Tagore, the nephew of Rabindranath Tagore, is credited with creating the iconic painting “Bharat Mata,” which symbolizes India as a mother goddess. 3. The temple architecture style characterized by towering spires and intricate carvings in South India is known as? A) DravidianB) NagaraC) VesaraD) Kalinga Show Answer Correct Answer: A) DravidianExplanation: The Dravidian style of temple architecture is prominent in South India, characterized by large towers (gopurams) and intricate stone carvings. 4. Who is the author of the classical Sanskrit text “Natyashastra”? A) VyasaB) KalidasaC) Bharata MuniD) Valmiki Show Answer Correct Answer: C) Bharata MuniExplanation: Bharata Muni is traditionally credited with composing the “Natyashastra,” an ancient Indian treatise on performing arts, including theatre, dance, and music. 5. The “Garba” dance form is traditionally associated with which Indian festival? A) DiwaliB) HoliC) NavratriD) Makar Sankranti Show Answer Correct Answer: C) NavratriExplanation: Garba is a traditional dance form from Gujarat, performed during the Navratri festival to celebrate the victory of good over evil. 6. The “Ajanta Caves,” famous for their ancient Buddhist paintings, are located in which state? A) MaharashtraB) Madhya PradeshC) KarnatakaD) Andhra Pradesh Show Answer Correct Answer: A) MaharashtraExplanation: The Ajanta Caves in Maharashtra are renowned for their rock-cut architecture and exquisite murals depicting the life of the Buddha. 7. The “Madhubani” painting style is traditionally practiced in which Indian state? A) West BengalB) BiharC) RajasthanD) Uttar Pradesh Show Answer Correct Answer: B) BiharExplanation: Madhubani painting, also known as Mithila painting, is a traditional art form from Bihar, characterized by vibrant colors and intricate patterns. 8. Who wrote the famous Indian classical text “Shilpa Shastra”? A) Bharata MuniB) VishwakarmaC) PaniniD) Chanakya Show Answer Correct Answer: B) VishwakarmaExplanation: The “Shilpa Shastra” is an ancient Indian treatise on art, sculpture, and architecture, attributed to Vishwakarma, the divine architect. 9. The “Rajasthani” folk music is often performed using which traditional instrument? A) VeenaB) SarangiC) MridangamD) Flute Show Answer Correct Answer: B) SarangiExplanation: The Sarangi is a traditional string instrument widely used in Rajasthani folk music, known for its deep, soulful sound. 10. The “Madhubani” painting style is traditionally practiced on which type of surface? A) CanvasB) ClothC) WallD) Paper Show Answer Correct Answer: C) WallExplanation: Madhubani paintings, originally practiced in the Mithila region of Bihar, were traditionally done on walls and floors of homes, depicting religious and cultural themes. 11. The “Nataraja” sculpture, depicting Lord Shiva as the cosmic dancer, is an example of which Indian art form? A) Chola bronzeB) Pallava stoneC) Gupta terracottaD) Maurya sandstone Show Answer Correct Answer: A) Chola bronzeExplanation: The Nataraja sculpture is a classic example of Chola bronze art, representing Lord Shiva in his cosmic dance of creation and destruction. 12. The “Alamkara” theory is associated with which Indian classical art form? A) DanceB) MusicC) SculptureD) Poetry Show Answer Correct Answer: D) PoetryExplanation: The Alamkara theory is a key concept in classical Indian aesthetics, particularly in poetry, focusing on the use of literary devices and embellishments to enhance the beauty of the text. 13. The “Tanjore” paintings are known for their rich use of which material? A) SilverB) GoldC) CopperD) Bronze Show Answer Correct Answer: B) GoldExplanation: Tanjore paintings are renowned for their use of gold leaf to create intricate patterns and enhance the richness of the artwork, often depicting Hindu deities. 14. The “Pattachitra” art form typically involves the depiction of stories from which Hindu epic? A) RamayanaB) MahabharataC) Bhagavad GitaD) Puranas Show Answer Correct Answer: A) RamayanaExplanation: Pattachitra paintings often depict scenes from the Ramayana, showcasing the life of Lord Rama, as well as other mythological themes in a distinctive style. 15. The “Bhagavad Gita” is a sacred text that is part of which larger epic? A) RamayanaB) MahabharataC) UpanishadsD) Vedas Show Answer Correct Answer: B) MahabharataExplanation: The Bhagavad Gita is a 700-verse Hindu scripture that is part of the Indian epic Mahabharata, where Lord Krishna imparts spiritual wisdom to Prince Arjuna. 16. The “Jataka tales” are a collection of stories that illustrate the previous lives of which religious figure? A) Lord VishnuB) Lord ShivaC) Lord KrishnaD) Lord Buddha Show Answer Correct Answer: D) Lord BuddhaExplanation: The Jataka tales are a collection of stories that illustrate the previous lives of Lord Buddha, often teaching moral lessons and ethical values. 17. The “Mughal gardens” in India are inspired by the garden design principles of which country? A) JapanB) ChinaC) PersiaD) Greece Show Answer Correct Answer: C) PersiaExplanation: Mughal gardens in India, such as those in Kashmir and Delhi, are inspired by Persian garden design principles, featuring symmetrical layouts, water channels, and lush greenery. 18. The “Kathak” dance form often features which of the following musical instruments in its performances? A) TablaB) FluteC) VeenaD) Mridangam Show Answer Correct Answer: A) TablaExplanation: Kathak dance performances are typically accompanied by the tabla, a pair of drums that provide the rhythmic foundation for the intricate footwork and spins characteristic of the dance. 19. The “Rajasthani miniature paintings” are known for their depiction of which of the following themes? A) Historical battlesB) Court scenesC) Folk talesD) All of the above Show Answer Correct Answer: D) All of the aboveExplanation: Rajasthani miniature paintings are known for their detailed depictions of historical battles, court scenes, and folk tales, often featuring vibrant colors and intricate patterns. 20. The “Qawwali” is a form of Sufi devotional music that originated in which region? A) PunjabB) RajasthanC) Uttar PradeshD) Delhi Show Answer Correct Answer: A) PunjabExplanation: Qawwali is a form of Sufi devotional music that originated in the

MCQs on Biology [Set – 11]

MCQs Static GK, MCQs Biology

MCQs on Biology [Set – 11] 1. Which blood cells are primarily involved in the production of antibodies? A) Red blood cellsB) White blood cellsC) PlateletsD) Plasma cells Show Answer Correct Answer: D) Plasma cellsExplanation: Plasma cells, derived from B lymphocytes, are white blood cells that produce large volumes of antibodies. 2. What is the main function of the enzyme amylase in the digestive system? A) To break down proteinsB) To break down fatsC) To break down carbohydratesD) To emulsify lipids Show Answer Correct Answer: C) To break down carbohydratesExplanation: Amylase is an enzyme that helps digest carbohydrates. It is produced in the pancreas and the glands that make saliva. 3. Which vitamin is crucial for the absorption of calcium and phosphate in the body? A) Vitamin AB) Vitamin CC) Vitamin DD) Vitamin E Show Answer Correct Answer: C) Vitamin DExplanation: Vitamin D is essential for the regulation of calcium and phosphate metabolism, which is important for the maintenance of healthy bones. 4. What type of organism makes its own food using light or chemical energy without eating other organisms? A) AutotrophB) HeterotrophC) ParasiteD) Saprotroph Show Answer Correct Answer: A) AutotrophExplanation: Autotrophs are organisms that can produce their own food using light, water, carbon dioxide, or other chemicals. Because they produce their own food, they are sometimes called producers. 5. What part of the brain is responsible for processing memories and emotional responses? A) CerebellumB) CerebrumC) Medulla oblongataD) Hippocampus Show Answer Correct Answer: D) HippocampusExplanation: The hippocampus is a small organ located within the brain’s medial temporal lobe and is associated with the functions of memory forming, organizing, and storing. 6. Which hormone regulates the amount of glucose in the blood and is produced by the pancreas? A) InsulinB) GlucagonC) AdrenalineD) Cortisol Show Answer Correct Answer: A) InsulinExplanation: Insulin is a hormone produced by the pancreas that regulates the amount of glucose in the blood. It facilitates the entry of glucose into cells, thereby lowering blood glucose levels. 7. Which type of immune cells are primarily responsible for the response to allergens? A) MacrophagesB) T cellsC) B cellsD) Mast cells Show Answer Correct Answer: D) Mast cellsExplanation: Mast cells play a crucial role in the immune system’s response to allergens. They release histamine and other chemicals that trigger allergy symptoms. 8. Which organ is primarily involved in the regulation of electrolytes in the body? A) HeartB) LiverC) KidneysD) Pancreas Show Answer Correct Answer: C) KidneysExplanation: The kidneys play a critical role in the body by filtering blood, removing waste, and managing the levels of electrolytes such as potassium, sodium, and calcium. 9. What is the term for the process of maintaining a stable internal environment in the body? A) MetabolismB) HomeostasisC) SynthesisD) Respiration Show Answer Correct Answer: B) HomeostasisExplanation: Homeostasis is the process by which an organism maintains a stable internal environment, necessary for survival and function, despite changes in the external environment. 10. What type of tissue forms the communication and coordination system of the body? A) Epithelial tissueB) Connective tissueC) Muscle tissueD) Nervous tissue Show Answer Correct Answer: D) Nervous tissueExplanation: Nervous tissue forms the communication and coordination system of the body. It is composed of neurons, which transmit electrical signals, and neuroglia, which support and protect neurons. 11. Which hormone is essential for regulating growth and metabolism? A) TestosteroneB) InsulinC) ThyroxineD) Estrogen Show Answer Correct Answer: C) ThyroxineExplanation: Thyroxine, also known as T4, is a hormone produced by the thyroid gland that regulates metabolism, growth, and development in the body. 12. What is the largest organ of the human body? A) HeartB) SkinC) LiverD) Kidney Show Answer Correct Answer: B) SkinExplanation: The skin is the largest organ of the human body. It covers the entire body, protecting it from the environment, and plays roles in insulation, temperature regulation, sensation, and the production of vitamin D. 13. Which vitamin is known to be essential for vision and skin health? A) Vitamin AB) Vitamin B12C) Vitamin CD) Vitamin D Show Answer Correct Answer: A) Vitamin AExplanation: Vitamin A is crucial for vision, especially in low light, as well as skin health and the maintenance of immune functions. 14. Which part of the cell serves as the site of protein synthesis? A) Golgi apparatusB) MitochondriaC) RibosomeD) Nucleus Show Answer Correct Answer: C) RibosomeExplanation: Ribosomes are the cellular structures responsible for protein synthesis. They read the sequence of mRNA to assemble amino acids into polypeptide chains. 15. Which gland in the human body is considered the master gland? A) Thyroid glandB) Adrenal glandC) Pineal glandD) Pituitary gland Show Answer Correct Answer: D) Pituitary glandExplanation: The pituitary gland, often called the “master gland,” influences nearly every part of the body. It secretes hormones that control growth, blood pressure, and other functions of the body’s endocrine glands. 16. What type of cells in the pancreas produce insulin? A) Alpha cellsB) Beta cellsC) Delta cellsD) Gamma cells Show Answer Correct Answer: B) Beta cellsExplanation: Beta cells are cells that are located in the islets of Langerhans in the pancreas. They are responsible for the production of insulin, a hormone that regulates blood sugar levels. 17. Which organ system includes the trachea, bronchi, and lungs? A) Cardiovascular systemB) Digestive systemC) Nervous systemD) Respiratory system Show Answer Correct Answer: D) Respiratory systemExplanation: The respiratory system includes the trachea, bronchi, and lungs among other components. It is responsible for breathing and the exchange of oxygen and carbon dioxide between the body and the environment. 18. What is the term used to describe the body’s automatic and coordinated response to a stimulus? A) ReflexB) ReactionC) ResponseD) Resilience Show Answer Correct Answer: A) ReflexExplanation: A reflex is an involuntary and nearly instantaneous movement in response to a stimulus. Reflex actions are rapid and happen without conscious thought. 19. What is the term for an organism that lives on or in a host organism and gets its food at the expense of its host? A) ParasiteB) AutotrophC) HeterotrophD) Symbiont Show Answer Correct Answer: A) ParasiteExplanation: A parasite is an organism that lives on or in a host and gets its food at the expense of its host, often harming the host in the process. 20. What part of the cell is responsible for breaking down and digesting

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