| 21. | The organisms at the base of the grazing food chain are – |
A. Manufacturer | |
B. Vegetarian | |
C. Non-vegetarian | |
D. decomposer |
| 22. | The organization basically concerned with environmental planning is – |
A. CSIR | |
B. NEERI | |
C. FIGURES | |
D. ICAR |
| 23. | What will be the effect of global warming on mangrove forests? |
A. they will be born in abundance | |
B. Vast areas of mangroves will be submerged | |
C. Their role as carbon sinks will become more important | |
D. both a and c above |
| 24. | Which is the best source of power generation in India from the point of view of sustainable development? |
A. Coal | |
B. Mineral-oil and gas | |
C. hydroelectricity | |
D. nuclear energy |
| 25. | Sustainable development is a matter of inter-generational sensitivity to the context of whose use? |
A. natural resources | |
B. Physical Resources | |
C. industrial resources | |
D. social resources |
| 26. | The transition zone between two different communities is called – |
A. ecotype | |
B. Iked | |
C. ecosphere | |
D. ecotone |
| 27. | What is the minimum land required to make a human life completely sustainable? |
A. organism | |
B. ecological footprint | |
C. jivom | |
D. Niket |
| 28. | Which one of the following is the most dominant factor in coral bleaching? |
A. ocean pollution | |
B. increase in salinity of oceans | |
C. Increase in the normal temperature of sea water | |
D. spread of diseases and epidemics |
| 29. | Which of the following substances are ozone depleting substances? 1. Chlorofluorocarbons 2. Halons 3. Carbon tetrachloride Codes : |
A. 1 and 2 only | |
B. 1 and 3 only | |
C. 2 and 3 only | |
D. 1,2 and 3 |
| 30. | Which of the following regions of India are considered exciting from the point of view of bio-diversity? Select the correct answer from the codes given below – 1. Eastern Himalayas 2. Eastern Ghats 3. Western Ghats 4. Western Himalayas Code : |
A. 1 and 2 only | |
B. 1 and 3 only | |
C. 2 and 4 only | |
D. 3 and 4 only |