Which of the following is the biggest source of freshwater? (A) Rivers (B) Glaciers (C) Lakes (D) Groundwater Answer: (B)
Which of the following pollutants is responsible for photochemical smog? (A) Sulfur dioxide (B) Carbon monoxide (C) Nitrogen oxides (D) Methane Answer: (C)
What is the main pollutant from burning coal? (A) Nitrogen dioxide (B) Sulfur dioxide (C) Carbon dioxide (D) Methane Answer: (B)
Which zone of the ocean is the deepest? (A) Bathyal zone (B) Abyssal zone (C) Neritic zone (D) Littoral zone Answer: (B)
Which country has the largest mangrove forest cover? (A) Indonesia (B) India (C) Bangladesh (D) Brazil Answer: (C)
Which of the following energy sources has the least carbon footprint? (A) Coal (B) Oil (C) Solar (D) Natural Gas Answer: (C)
What is the process of growing plants using nutrient-rich water without soil? (A) Hydrology (B) Hydroponics (C) Aquaponics (D) Aeroponics Answer: (B)
Which of the following best describes a ‘hotspot’ of biodiversity? (A) Area rich in minerals (B) Area rich in species diversity (C) Desert region (D) Cold region Answer: (B)
Which of the following is a common example of an alien species in India? (A) Peepal (B) Nilgiri Tahr (C) Lantana camara (D) Indian Bison Answer: (C)
Which of these forests has maximum biodiversity? (A) Deciduous Forest (B) Coniferous Forest (C) Tropical Rainforest (D) Mangrove Forest Answer: (C)
What is meant by “carbon sequestration”? (A) Increase of carbon dioxide (B) Removal and storage of carbon dioxide from the atmosphere (C) Release of carbon monoxide (D) Recycling of carbon Answer: (B)
The Lion-tailed Macaque is endemic to which region? (A) Western Ghats (B) Eastern Himalayas (C) Andaman Islands (D) Thar Desert Answer: (A)
Which environmental disaster is associated with mercury poisoning? (A) Chernobyl Disaster (B) Minamata Tragedy (C) Bhopal Gas Tragedy (D) Seveso Disaster Answer: (B)
Which process results in the formation of fossil fuels? (A) Photosynthesis (B) Decomposition (C) Fermentation (D) Fossilization Answer: (D)
Which of the following is an example of a symbiotic relationship? (A) Lion and deer (B) Algae and fungi in lichen (C) Tiger and deer (D) Hawk and mouse Answer: (B)
Which of the following contributes to the formation of acid rain? (A) Chlorofluorocarbons (B) Nitrogen oxides and sulfur dioxide (C) Carbon dioxide and methane (D) Ammonia and hydrogen sulfide Answer: (B)
Which is the world’s largest ecosystem? (A) Forest (B) Desert (C) Ocean (D) Grassland Answer: (C)
Which greenhouse gas has the highest global warming potential? (A) CO2 (B) Methane (C) CFCs (D) Ozone Answer: (C)
Which of the following is a method to reduce soil erosion? (A) Deforestation (B) Overgrazing (C) Contour plowing (D) Monoculture Answer: (C)
Which of the following is the main component of biogas? (A) Carbon dioxide (B) Methane (C) Hydrogen (D) Nitrogen Answer: (B)
Which country hosted COP21 where the Paris Agreement was signed? (A) Germany (B) USA (C) France (D) Brazil Answer: (C)
Which act deals with coastal zone management in India? (A) Air Act (B) Water Act (C) Environment Protection Act (D) Coastal Regulation Zone Notification Answer: (D)
Which of these is the most harmful for aquatic life when dissolved in water? (A) Oxygen (B) Carbon dioxide (C) Nitrogen (D) Mercury Answer: (D)
Which Indian national park is famous for its rhinos? (A) Manas (B) Kaziranga (C) Periyar (D) Bandipur Answer: (B)
Which is the only ape species found in India? (A) Chimpanzee (B) Hoolock Gibbon (C) Orangutan (D) Gorilla Answer: (B)
Which region is most affected by ozone depletion? (A) Arctic region (B) Antarctic region (C) Equatorial region (D) Tropical forests Answer: (B)
Which of the following is the best strategy for conservation of biodiversity? (A) Wildlife Safari (B) Creating Biosphere Reserves (C) Captive breeding (D) Zoos Answer: (B)
Which of the following contributes to coral bleaching? (A) Decrease in temperature (B) Increase in temperature (C) Salinity decrease (D) Increase in nutrients Answer: (B)
Which of these is considered a keystone species in many ecosystems? (A) Fungi (B) Wolves (C) Deers (D) Insects Answer: (B)
Which Indian organization monitors air quality in cities? (A) CPCB (B) FSI (C) IUCN (D) IPCC Answer: (A)
Which of the following is considered a ‘carbon sink’? (A) Industries (B) Oceans (C) Volcanoes (D) Deserts Answer: (B)
The layer which contains most weather phenomena is – (A) Mesosphere (B) Thermosphere (C) Troposphere (D) Stratosphere Answer: (C)
Which animal is the national aquatic animal of India? (A) Whale (B) Dugong (C) River Dolphin (D) Sea Horse Answer: (C)
Which of these human activities leads to deforestation? (A) Terrace farming (B) Selective cutting (C) Mining (D) Shifting cultivation Answer: (C)
Which is a direct result of deforestation? (A) Increased biodiversity (B) Soil erosion (C) Decreased desertification (D) Less carbon dioxide Answer: (B)
Which of these energy sources has the highest energy yield per unit mass? (A) Solar (B) Coal (C) Nuclear (D) Wind Answer: (C)
Which of these is an example of an endangered species in India? (A) Peacock (B) Tiger (C) Rabbit (D) Sparrow Answer: (B)
The ‘Blue Planet’ is a name given to – (A) Venus (B) Mars (C) Earth (D) Mercury Answer: (C)
Which of the following is responsible for groundwater pollution? (A) Rock weathering (B) Acid rain (C) Fertilizer leaching (D) Wind erosion Answer: (C)
Which species are considered ‘invasive’ in India? (A) Peepal Tree (B) Lantana camara (C) Indian Bison (D) Langur Answer: (B)
Which Indian lake is the largest freshwater lake? (A) Loktak (B) Chilika (C) Sambhar (D) Wular Answer: (D)
Which of the following gases is responsible for global warming but not regulated under the Kyoto Protocol? (A) Carbon dioxide (B) Methane (C) Water vapor (D) Nitrous oxide Answer: (C)
Which of these is an important primary producer in aquatic ecosystems? (A) Zooplankton (B) Phytoplankton (C) Fish (D) Crabs Answer: (B)
Which UN convention focuses on climate change? (A) CBD (B) UNFCCC (C) CITES (D) CMS Answer: (B)
Which of these is NOT a consequence of global warming? (A) Melting glaciers (B) Decrease in sea level (C) Coral bleaching (D) More frequent heat waves Answer: (B)
Which chemical is banned under the Stockholm Convention? (A) Carbon dioxide (B) DDT (C) Sulfur dioxide (D) Ammonia Answer: (B)
Which energy source is associated with geothermal plants? (A) Wind (B) Tidal (C) Heat from the Earth’s interior (D) Sunlight Answer: (C)
Which of these terms refers to planting trees in a barren land? (A) Deforestation (B) Agroforestry (C) Afforestation (D) Desertification Answer: (C)
Which Indian state is known for its sacred groves conservation? (A) Rajasthan (B) Kerala (C) Meghalaya (D) Punjab Answer: (C)
Which international body manages the REDD+ programme for forest conservation? (A) IUCN (B) UNFCCC (C) UNEP (D) WWF Answer: (B)