Which Indian sanctuary is famous for one-horned rhinoceroses? (A) Gir National Park (B) Kaziranga National Park (C) Corbett National Park (D) Kanha National Park Answer: (B)
Which of the following is an example of renewable energy? (A) Natural gas (B) Wind energy (C) Coal (D) Petroleum Answer: (B)
Which Indian festival promotes environmental awareness about rivers? (A) Kumbh Mela (B) Diwali (C) Holi (D) Dussehra Answer: (A)
Which natural process helps to maintain the Earth’s temperature balance? (A) Greenhouse effect (B) Acid rain (C) Carbon footprint (D) Soil erosion Answer: (A)
Which of the following is responsible for the smell of the first rain? (A) Methane (B) Geosmin (C) Nitrogen (D) Carbon dioxide Answer: (B)
Which gas is NOT considered a greenhouse gas? (A) Carbon dioxide (B) Water vapor (C) Nitrogen (D) Methane Answer: (C)
Which type of pollution causes diseases like emphysema and bronchitis? (A) Air pollution (B) Water pollution (C) Noise pollution (D) Soil pollution Answer: (A)
Which of the following is an example of a keystone predator? (A) Rabbit (B) Lion (C) Deer (D) Grasshopper Answer: (B)
The term ‘biosphere’ includes – (A) Land (B) Water (C) Air (D) All of the above Answer: (D)
The amount of living material in an ecosystem at a given time is known as – (A) Productivity (B) Biomass (C) Carrying capacity (D) Trophic level Answer: (B)
Which of these gases contributes most to acid rain? (A) Methane (B) Sulfur dioxide (C) Ozone (D) Hydrogen sulfide Answer: (B)
Which pollutant can cause bone cancer? (A) Lead (B) Cadmium (C) Arsenic (D) Radon Answer: (D)
Which of the following is the world’s largest tidal halophytic mangrove forest? (A) Sunderbans (B) Amazon Rainforest (C) Congo Basin (D) Nile Delta Answer: (A)
Which species is called the ‘engineer of the ecosystem’? (A) Elephant (B) Tiger (C) Beaver (D) Panda Answer: (C)
What is the major source of sulfur dioxide emissions? (A) Nuclear plants (B) Power plants burning fossil fuels (C) Automobiles (D) Agricultural fields Answer: (B)
Which of the following is NOT a greenhouse gas? (A) Water vapor (B) Methane (C) Oxygen (D) Nitrous oxide Answer: (C)
Which of the following is NOT a type of ecological pyramid? (A) Pyramid of numbers (B) Pyramid of biomass (C) Pyramid of species (D) Pyramid of energy Answer: (C)
Which species acts as an indicator of aquatic pollution? (A) Fishes (B) Frogs (C) Algae (D) Crabs Answer: (C)
Which of the following is considered a primary pollutant? (A) Ozone (B) Sulfur dioxide (C) PAN (Peroxyacetyl nitrate) (D) Smog Answer: (B)
Which of these is an effect of global warming? (A) Sea level fall (B) Increase in polar ice (C) Sea level rise (D) Glacial formation Answer: (C)
Which is the main cause of groundwater depletion? (A) Deforestation (B) Over-extraction (C) Urbanization (D) Floods Answer: (B)
Which of the following best describes biodiversity? (A) Number of species only (B) Variety of all living organisms (C) Number of individuals only (D) Variety of abiotic components Answer: (B)
Which layer protects Earth from harmful UV rays? (A) Troposphere (B) Stratosphere (C) Mesosphere (D) Thermosphere Answer: (B)
Which term is associated with species unique to a particular geographic region? (A) Indigenous (B) Endemic (C) Exotic (D) Alien Answer: (B)
Which of the following is an example of a detritivore? (A) Cow (B) Earthworm (C) Lion (D) Peacock Answer: (B)
Which of these gases is used in fire extinguishers and is also a greenhouse gas? (A) Oxygen (B) Carbon dioxide (C) Nitrogen (D) Hydrogen Answer: (B)
Which type of agriculture is practiced mainly in the North-Eastern states of India? (A) Terrace farming (B) Shifting cultivation (Jhum) (C) Commercial farming (D) Plantation farming Answer: (B)
Which is the most common method of disposal of municipal solid waste in India? (A) Incineration (B) Composting (C) Open dumping (D) Landfilling Answer: (D)
Which term refers to areas that provide critical habitats for endangered species? (A) Ecotones (B) Eco-sensitive zones (C) Dead zones (D) Estuaries Answer: (B)
Which among the following is the largest terrestrial biome? (A) Desert (B) Grassland (C) Taiga (D) Tropical Rainforest Answer: (C)
Which gas forms acid rain when dissolved in rainwater? (A) Methane (B) Nitrogen (C) Sulfur dioxide (D) Carbon dioxide Answer: (C)
Which of the following pollutants is a secondary pollutant? (A) Nitrogen dioxide (B) Carbon monoxide (C) Ozone (D) Sulfur dioxide Answer: (C)
Which of the following is a major consequence of deforestation? (A) Increase in biodiversity (B) Soil erosion (C) Decrease in rainfall (D) Ozone depletion Answer: (B)
The largest concentration of salinity in oceans is found in – (A) Indian Ocean (B) Pacific Ocean (C) Atlantic Ocean (D) Arctic Ocean Answer: (C)
Which of these factors affects carrying capacity of an ecosystem? (A) Soil erosion (B) Availability of food and resources (C) Population explosion (D) None of the above Answer: (B)
Which is the largest protected area in India? (A) Gir National Park (B) Sundarbans Biosphere Reserve (C) Hemis National Park (D) Jim Corbett National Park Answer: (C)
Which river is associated with the ‘Namami Gange’ project? (A) Yamuna (B) Ganga (C) Brahmaputra (D) Godavari Answer: (B)
Which of the following is NOT a characteristic of wetlands? (A) Waterlogged soils (B) Highly fertile land (C) Coral reefs (D) Presence of hydrophytic vegetation Answer: (C)
Which Indian lake is famous for its floating islands (phumdis)? (A) Dal Lake (B) Loktak Lake (C) Chilika Lake (D) Sambhar Lake Answer: (B)
Which layer of atmosphere contains the most ozone? (A) Troposphere (B) Stratosphere (C) Mesosphere (D) Thermosphere Answer: (B)
The ‘Montreal Protocol’ is associated with – (A) Climate change (B) Control of greenhouse gases (C) Protection of ozone layer (D) Forest conservation Answer: (C)
Which one is NOT a renewable source of energy? (A) Solar energy (B) Wind energy (C) Geothermal energy (D) Natural gas Answer: (D)
The Great Indian Bustard is found mainly in which state? (A) Karnataka (B) Gujarat (C) Rajasthan (D) Assam Answer: (C)
Which gas has the highest concentration in the Earth’s atmosphere? (A) Oxygen (B) Nitrogen (C) Carbon dioxide (D) Hydrogen Answer: (B)
Which international treaty deals with persistent organic pollutants (POPs)? (A) Basel Convention (B) Stockholm Convention (C) Kyoto Protocol (D) Paris Agreement Answer: (B)
Which region is known for maximum coral diversity? (A) Caribbean (B) Red Sea (C) Great Barrier Reef (D) Coral Triangle Answer: (D)
Which of the following layers protects life on Earth from UV rays? (A) Troposphere (B) Ozone layer (C) Ionosphere (D) Mesosphere Answer: (B)
Which energy source does NOT cause any pollution? (A) Solar energy (B) Nuclear energy (C) Natural gas (D) Coal Answer: (A)
Which of the following species is NOT endemic to India? (A) Lion-tailed macaque (B) Indian Rhino (C) Asiatic Lion (D) Panda Answer: (D)
Which term describes the slow increase of global average temperature due to greenhouse gases? (A) Acid rain (B) Climate change (C) Global warming (D) Ozone hole Answer: (C)