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Environment
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2014
- Which of the following are some important pollutants released by steel industry in India? 1. Oxides of sulphur 2. Oxide of nitrogen 3. Carbon monoxide 4. Carbon dioxide Select the…
- Which one of the following is the correct sequence of a food chain?
- Which one of the following is the process involved in photosynthesis?
- With reference to 'Eco-Sensitive Zones', which of the following statements is/are correct? 1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection)…
- With reference to 'Global Environment Facility', which of the following statements is/are correct?
- With reference to a conservation organization called 'Wetlands International', which of the following statements is/are correct? 1. It is an intergovernmental organizatioin formed…
- With reference to Bombay Natural History Society (BNHS), consider the following statements: 1. It is an autonomous organization under the Ministry of Environment and Forests 2. It…
- With reference to Neem tree, consider the following statements: 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites 2. Neem…
2013
- Acid rain is caused by the pollution of environment by
- Consider the following animals: 1. Sea cow 2. Sea horse 3. Sea lion Which of the above is/are mammal/mammals?
- Consider the following fauna and India: 1. Gharial 2. Leatherback turtle 3. Swamp deer Which of the above is/are endangered?
- Consider the following organisms: 1. Agaricus 2. Nostoc 3. Spirogyra Which of the above is/are used as biofertilizer/biofertilizers?
- Consider the following: 1. Star tortoise 2. Monitor lizard 3. Pygmy hog 4. Spider monkey Which of the above are naturally found in India?
- Due to improper/indiscriminate disposal of hold and used computers or their parts, which of the following are released into the environment as e-waste? 1. Beryllium 2. Cadmium 3.…
- In the grasslands, trees do not replace the grasses as a part of an ecological succession because of
- In which of the following States is lion-tailed macaque found in its natural habitat? 1. Tamil Nadu 2. Kerala 3. Karnataka 4. Andhra Pradesh Select the correct answer using the…
- Photochemical smog is a resultant of the reaction among
- Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation Select the correct answer using the codes…
- Which of the following can be found as pollutants in the drinking water in some parts of India? 1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium Select the correct…
- Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
- Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?
- With reference to food chains in ecosystems, consider the following statements: 1. A food chains illustrates the order in which a chain of organisms feed upon each other. 2. Food…
- With reference to the food chains in ecosystems, which of the following kinds of organism is/are known as decomposer organism/organisms? 1. Virus 2. Fungi 3. Bacteria Select the…
- With reference to the usefulness of the by-products of sugar industry, which of the following statements is/are correct? 1. Bagasse can be used as biomass fuel for the generation…
2012
- Consider the following agricultural practices: 1. Contour bunding 2. Relay cropping 3. Zero tillage In the context of global climate change, which of the above helps/help in carbon…
- Consider the following kinds of organisms: 1. Bat 2. Bee 3. Bird Which of the above is/are pollinating agent/agents?
- Consider the following protected areas: 1. Bandipur 2. Bhitarkanika 3. Manas 4. Sunderbans Which of the above are declared Tiger Reserves?
- Consider the following statements: Chlorofluorocarbons, known as ozone-depleting substances, are used 1. In the production of plastic foams 2. In the production of tubeless tyres…
- Consider the following: 1. Black-necked crane 2. Cheetah 3. Flying squirrel 4. Snow leopard Which of the above are naturally found in India?
- Government of India encourages the cultivation of 'sea buckthorn'. What is the importance of this plant? 1. It helps in controlling soil erosion and in preventing desertification…
- How does National Biodiversity Authority (NBA) help in protecting the Indian Agriculture? 1. NBA checks the biopiracy and protects the indigenous and traditional genetic resources…
- Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning? 1. Smelting units 2. Pens and…
- The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
- The Millennium Ecosystem Assessment describes the following major categories of ecosystem services—provisioning, supporting, regulating, preserving and cultural. Which one of the…
- The National Green Tribunal Act, 2010 was enacted in consonance with which of the following provisions of the Constitution of India? 1. Right to healthy environment, construed as a…
- Vultures which used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to
- What is the difference between the antelopes Oryx and Chiru?
- What would happen if phytoplankton of an ocean is completely destroyed for some reason? 1. The ocean as a carbon sink would be adversely affected 2. The food chains in the ocean…
- Which of the following can be threats to the biodiversity of a geographical area? 1. Global warming 2. Fragmentation of habitat 3. Invasion of alien species 4. Promotion of…
- Which one of the following groups of animals belongs to the category of endangered species?
2011
- A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its…
- Biodiversity forms the basis for human existence in the following ways: 1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops Select the…
- Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradients, biodiversity is…
- Consider the following: 1. Carbon dioxide 2. Oxides of Nitrogen 3. Oxides of Sulphur Which of the above is/are the emission/emissions from coal combustion at thermal power plants?
- Consider the following: 1. Photosynthesis 2. Respiration 3. Decay of organic matter 4. Volcanic action Which of the above add carbon dioxide to the carbon cycle on Earth?
- Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of…
- If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because:
- In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the 1. Decomposer microorganism to the surface.…
- In the Union Budget 2011-12, a full exemption from the basic customs duty was extended to the bio-based asphalt (bioasphalt). What is the importance of this material? 1. Unlike…
- Recently, "oilzapper" was in the news. What is it?