6. From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?
Sathyamangalam Tiger Reserve
Nallamala Fores
Nagarhole National Park
Seshachalam Biosphere Reserve
7. Consider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC):
1. TRAFFIC is a bureau under United Nations Environment Programme (UNEP).
2. The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature.
Which of the above statements is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
8. Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
1. Pollination of some plants could be adversely affected.
2. There could be a drastic increase in the fungal infections of some cultivated plants.
3. It could lead to a fall in the population of some species of wasps, spiders and birds.
Select the correct answer using the code given below:
2 and 3 only
1 and 3 only
1, 2 and 3
9. Biological Oxygen Demand (BOD) is a standard criterion for
Measuring oxygen levels in blood
Computing oxygen levels in forest ecosystems (c)
Pollution assay in aquatic ecosystems
Assessing oxygen levels in high altitude regions
10. In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique?
1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.
2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using micro-organisms.
3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation.