1. Among the following greenhouse gases, the emission of which one of the following is entirely anthropogenic?

2. What is eutrophication?

3. With reference to a fresh water lake, consider the following characteristics:
1. Richness in nutrients
2. Rapid turnover of phytoplankton
3. Depletion of dissolved oxygen Which of the above is/are observed in a lake after its eutrophication?

4. Consider the following statements: Majuli, the largest river island in the world is environmentally degraded due to
1. floods 2. erosion
3. increasing population pressure
4. development of transport activities Which of the above statements are correct?

5. Match List-I (Major Biome) with List- II (Physical Characteristic) and select the correct answer using the code given below the lists: List-I List-II
A. The Northernmost of the temperate formations (i.e., continuous belt across North America and Northern Eurasia)
1. Foristically poor
B. Arctic Tundra Vegetation
2. Boreal Forest
C. Marine 3. Pelagic division
D. The terrestrial biomes of the tropics
4. Savanna woodland Codes A B C D

6. Match List-I (Ecosystem) with List-II (Vegetation type) select the correct answer using the codes given below the lists: List-I List-II A.Tropical grassland 1. Selvas
B. Temperate forests 2. Taiga C.Tropical forests 3. Savanna D.Temperate grassland 4. Pampas Codes A B C D

7. Assertion (A) : In oligotrophic lacks, high concentration of nutrients result in algae blooms. Reason (R) : A higher concentration of nutrients result in higher organic productivity. Codes

8. Among the following climatic factors, which one has the least effect upon terrestrial ecosystem?

9. Eutrophication of lakes is a consequential effect of the accumulation of

10. Which one the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?

11. The Minamata incident, an example for environmental degradation, is due to which one of the following?

12. 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/are correct?

13. The first research project programme which focused on the EI Nino-Southern Oscillation and its predictability was called

14. Consider the following statements:
1. Biodiversity hotspots are located only in tropical regions.
2. India has four biodiversity hotspot i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands. Which of the statements given above is/are correct?

15. Which one of the following statements is correct?

16. With which one of the following is the term ‘Maitri’ associated?

17. ‘Rally for Valley’ programme in India was organised to highlight the problem of

18. Among the following environmental pollutants which one leads to the occurrence of acid rain?

19. The endangered Ridley turtles have the world’s largest aggregation

20. Assertion (A) : The habitat of Date Palms is warm deserts with little or no rainfall. Reason (R) : Date Palm is a tree of waterless desert. Codes

21. The following forms of relationship exist between man and his environment according to the development of geographical thought:
1. Environmental determinism
2. Possibilism
3. Neo-determinism The correct sequence of the development of these forms of relationship is

22. The wave length of electromagnetic wave of the spectrum is expressed in the unit

23. Oak is most important tree of

24. The transition zone between two Ecosystems is called

25. Consider the following statements:
1. The boundary of a National Park is circumscribed by legislation whereas that of a Biosphere Reserves is not circumscribed by legislation.
2. In a National Park, particular attention is paid to the conservation of genepools whereas it is not so in a Wildlife Sanctuary. Which of the statement (s) given above is/are correct?