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21 |
What is the significance for targeting 'biodiversity hotspots' for conservation? 1. These are the areas where more species are threatened. 2. These areas are not inhabited by people, therefore conservation would not be effecting the economic development of the area. 3. To protect all areas of threatened species would not allow new species to develop. 4. It is not possible to protect species world- wide, thus it is decided to concentrate on areas which are rich in biodiversity. Select the correct answer using the codes given below. |
|
A |
1 and 4 |
|
B |
2 only |
|
C |
1 and 3 only |
|
D |
4 only |
|
E |
|
|
Answer |
D |
|
Instruction |
|
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22 |
Ecology is to environmental science as |
|
A |
Engineering is to physics |
|
B |
Physics is to engineer |
|
C |
Environmental science is to physics |
|
D |
Physics is to environmental science |
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E |
|
|
Answer |
B |
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Instruction |
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23 |
Which material from large explosive volcanic eruptions results in decrease in temperature? 1. Carbon dioxide (CO2) 2. Sulfur dioxide (SO2) 3. Water vapour (H2O) 4. Radon (Rn) Select the correct answer using the codes given below. |
|
A |
1 only |
|
B |
2 only |
|
C |
1 and 2 only |
|
D |
3 and 4 only |
|
E |
|
|
Answer |
B |
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Instruction |
|
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24 |
In a sealed container, take measured quantities of ozone, oxygen, chlorofluorocarbons and a source emitting ultraviolet radiations. What will happen after one month of exposure to ultraviolet radiation? Ozone Oxygen CFC |
|
A |
Decrease Increase Decrease |
|
B |
Increase Increase Increase |
|
C |
Increase Decrease Decrease |
|
D |
Decrease Decrease Increase |
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E |
|
|
Answer |
A |
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Instruction |
|
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25 |
In the context of the affairs of which of the following is the phrase "Special Safeguard Mechanisms" are mentioned in the news frequently? |
|
A |
United Nations Environment Programme |
|
B |
World Trade Organisation |
|
C |
ASEAN-India Free Trade Agreement |
|
D |
G-20 Summits |
|
E |
|
|
Answer |
B |
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Instruction |
|
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26 |
Why does a change of climate occur in the months following a major explosive volcanic eruption? 1. An increase in rainfall due to the loss of vegetation cover 2. An increase in average temperature due to the heat released by erupting volcanoes 3. A decrease in average temperature due to the increase in fine particle reflecting solar radiation 4. A decrease in average temperature due to increased carbon dioxide absorbing heat from the atmosphere Which of the above given statements is/are correct?
|
|
A |
1 and 3 only |
|
B |
2 only |
|
C |
3 only |
|
D |
1 and 4 only |
|
E |
|
|
Answer |
C |
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Instruction |
|
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27 |
It may take 10 million years to change from greenhouse to icehouse conditions on earth. Which one of the following can be the probable cause/s for this change? 1. Accumulation of carbon dioxide 2. Drifting of Antarctic plate 3. Formation of dust clouds due to meteorite impacts 4. Removal of carbon dioxide Which of the above given statements is/are correct?
|
|
A |
1 only |
|
B |
2 and 4 only |
|
C |
1, 2 and 3 only |
|
D |
4 only |
|
E |
|
|
Answer |
D |
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Instruction |
|
|
28 |
When is Van Mahotsav's Day celebrated? |
|
A |
2 October |
|
B |
1 December |
|
C |
10th July |
|
D |
1 July |
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E |
|
|
Answer |
D |
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Instruction |
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29 |
Consider the following statements about "Terminator Technology". 1. Termination of crop pesticides 2. Transgenic varieties are going to terminate the existing varieties 3. High yielding hybrid seed for consumption; it cannot be used as seeds for next sowing 4. Termination of expression of a gene Which of the above given statements is/are not correct? |
|
A |
1 only |
|
B |
1 and 3 only |
|
C |
3 only |
|
D |
All of the above |
|
E |
|
|
Answer |
C |
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Instruction |
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|
30 |
Consider the following statements. 1. Biodiversity hot spots are located only in tropical region. 2. India has four biodiversity hotspots i.e. Eastern Himalayas, Western Himalayas. Western Ghats and Andaman and Nicobar Islands. Which of the statements given above is/are correct? |
|
A |
1 only |
|
B |
2 only |
|
C |
Both 1 and 2 |
|
D |
Neither 1 nor 2 |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
31 |
Consider the following statements. 1. The boundaries of a National Park are defined by legislation. 2. A Biosphere Reserve is declared to con- serve a few specific species of flora and fauna. 3. In a Wildlife Sanctuary, limited biotic interference is permitted. Which of the above statement is/are correct? |
|
A |
1 only |
|
B |
2 and 3 only |
|
C |
1 and 3 only |
|
D |
1, 2 and 3 |
|
E |
|
|
Answer |
C |
|
Instruction |
|
|
32 |
A pesticide which is chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop-Rat-Snake-Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following? |
|
A |
Food crop |
|
B |
Rat |
|
C |
Snake |
|
D |
Hawk |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
33 |
With reference to soil conservation, consider the following practices. 1. Crop rotation 2. Sand fences 3. Terracing 4. Wind breaks Which of the above are considered appropriate methods for soil conservation in India? |
|
A |
1, 2 and 3 only |
|
B |
2 and 4 only |
|
C |
1, 3 and 4 only |
|
D |
1, 2, 3 and 4 |
|
E |
|
|
Answer |
C |
|
Instruction |
|
|
34 |
An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified district of the country. What are those crops? |
|
A |
Rice and Wheat only |
|
B |
Rice, Wheat and Pulses only |
|
C |
Rice, Wheat, Pulses and oil seeds only |
|
D |
Rice, Wheat, pulses, oil seeds and vegetables |
|
E |
|
|
Answer |
B |
|
Instruction |
|
|
35 |
The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty drawn at |
|
A |
United Nations Conference on the Human Environment, Stockholm, 1972 |
|
B |
UN Conference on Environment and Development, Rio de Janerio, 1992 |
|
C |
World Summit on Sustainable Development, Johannesburg, 2002 |
|
D |
UN Climate Change Conference, Cophenhagen, 2009 |
|
E |
|
|
Answer |
B |
|
Instruction |
|
|
36 |
Which bacterial strain, developed from natural isolates by genetic manipulation, can be used for treating oil spills? |
|
A |
Agrobacterium |
|
B |
Clostridium |
|
C |
Nitrosomonas |
|
D |
Pseudomonas |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
37 |
India is party to the Ramsar Convention and has declared many areas as Ramsar Ste Which of the following statements be describes as to how we should maintain these sites in the context of this convention? |
|
A |
Keep all the sites completely inaccessible to man so that they will not be exploited |
|
B |
Conserve all the sites through ecosystems approaches and permit tourism and recreation only |
|
C |
Conserve all the sites through ecosystem approach for a period without any exploitation, with specific criteria and specific period for each site, and these allow sustainable use of them for future generations |
|
D |
Conserve all the sites through ecosystem approach and allow their simultaneous sustainable use |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
38 |
Due to their extensive rice cultivation some regions may be contributing to global warming. To what possible reason/reasons is this attributable? 1. The anaerobic conditions associated with rice cultivation cause the emission of methane. 2. When nitrogen-based fertilizers are used, nitrous oxide is emitted from the cultivated soil. Which of the statements given above is art correct? |
|
A |
1 only |
|
B |
2 only |
|
C |
Both 1 and 2 |
|
D |
Neither 1 nor 2 |
|
E |
|
|
Answer |
C |
|
Instruction |
|
|
39 |
Sustainable development is described as the development that meets the needs of the present, without compromising the ability of future generations, to meet their own needs. In this perspective, inherently the concept of sustainable development is intertwined with which of the following concepts? |
|
A |
Social justice and empowerment |
|
B |
Inclusive growth |
|
C |
Globalisation |
|
D |
Carrying capacity |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
40 |
Consider the following pairs:
Which of the pair given above is/are correctly matched? |
||||||||||||
|
A |
1 only |
||||||||||||
|
B |
1 and 2 only |
||||||||||||
|
C |
2 only |
||||||||||||
|
D |
1, 2 and 3 |
||||||||||||
|
E |
|
||||||||||||
|
Answer |
B |
||||||||||||
|
Instruction |
|
|
41 |
In India, which type of forest among the following occupies the largest area? |
|
A |
Montane wet temperate forest |
|
B |
Sub-tropical dry evergreen forest |
|
C |
Tropical moist deciduous forest |
|
D |
Tropical wet evergreen forest |
|
E |
|
|
Answer |
C |
|
Instruction |
|
|
42 |
Consider the following statements: 1. The Taxus tree is naturally found in the Himalayas. 2. The Taxus tree is listed in the Red Data Book. 3. A drug called "taxol" obtained from Taxus tree, is effective against Parkinson's disease. Which of the above given statements is/are correct? |
|
A |
1 only |
|
B |
1 and 2 only |
|
C |
2 and 3 only |
|
D |
1, 2 and 3 |
|
E |
|
|
Answer |
B |
|
Instruction |
|
|
43 |
What are the possible limitations of India in mitigating the global warming at present and in the immediate future? 1. Appropriate alternate technologies are not sufficiently available. 2. India cannot invest huge funds in research and development 3. Many developed countries have already. set up their polluting industries in India. Which of the statements given above is/are correct? |
|
A |
1 and 2 only |
|
B |
2 only |
|
C |
1 and 3 only |
|
D |
1, 2 and 3 |
|
E |
|
|
Answer |
A |
|
Instruction |
|
|
44 |
Consider the following pairs: 1. Boreal Forest-high productivity; rapid cycling of nutrients (poor reservoir) 2. Perma frost-swamp forest 3. Chaparral-a type of dry shrub land 4. Tropical rain forest-feature arctic tundra Select the correctly matched pair's using the codes given below.
|
|
A |
1, 2 and 3 only |
|
B |
1 and 2 only |
|
C |
3 only |
|
D |
None of the above |
|
E |
|
|
Answer |
C |
|
Instruction |
|
|
45 |
Biogeographic realms are 1. Land and water provinces 2. Six major land provinces 3. Divided into biomes Select the correct answer using the codes given below, |
|
A |
1 and 2 only |
|
B |
1 and 3 only |
|
C |
1, 2 and 3 only |
|
D |
2 and 3 only |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
46 |
Dominant plants of which type are highly adapted to recurring episodes of lightning- sparked fires? 1. Dry shrub lands 2. Grasslands 3. Southern pine forests Select the correct answer using the codes given below. |
|
A |
1 and 2 only |
|
B |
3 only |
|
C |
1 and 3 only |
|
D |
1, 2 and 3 |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
47 |
Biome distribution corresponds roughly with regional variations in 1. Climate 2. Soils 3. Topography Select the correct answer using the codes given below |
|
A |
1 only |
|
B |
1 and 2 only |
|
C |
2 and 3 only |
|
D |
1, 2 and 3 |
|
E |
|
|
Answer |
D |
|
Instruction |
|
|
48 |
Consider the following pairs: 1. Marine snow-deep cool, often nutrient- rich ocean water moves upwards 2. Upwelling partially enclosed mix of sea water and fresh water 3. Eutrophication-nutrient enrichment of body of water; reduced transparency, Phytoplankton blooms 4. Estuary-basis of mid-oceans food webs Select the correct pair using the codes given below. |
|
A |
3 only |
|
B |
4 only |
|
C |
1 and 2 only |
|
D |
None of the above |
|
E |
|
|
Answer |
A |
|
Instruction |
|
|
49 |
Pollutants disrupt ecosystems because |
|
A |
Their component differs from those of natural substances. |
|
B |
Only humans have uses for them. |
|
C |
There is no mechanism to deal with them. |
|
D |
Their only effect is on ecosystem, not humans. |
|
E |
|
|
Answer |
C |
|
Instruction |
|
|
50 |
Which of the following is/are responsible for regional air pollution? 1. Smog 2. Acid rain 3. Ozone layer thinning Select the correct answer using the codes given below. |
|
A |
1 only |
|
B |
2 only |
|
C |
1 and 3 only |
|
D |
All of the above |
|
E |
|
|
Answer |
B |
|
Instruction |
|