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Biology 2011
Q .34. Which one of the following statements is wrong in case of Bhopal tragedy?
- It took place in the night of December 2/3/1984
- Methyl Isocyanate gas leakage took place
- Thousands of human beings died
- Radioactive fall out engulfed Bhopal
Sol:
It was not a tragedy related to radioactivity
Answer: (4)
Q. 35. Secondary sewage treatment is mainly a
- Biological process
- Physical process
- Mechanical process
- Chemical process
Sol:
Secondary sewage treatment involves aerobic and anaerobic microbes.
Answer: (1)
Q. 36. Eutrophication is often seen in
- Mountains
- Deserts
- Fresh water lakes
- Ocean
Sol:
It is process of enrichment of lakes by phosphates, nitrates etc.
Answer: (3)
Q. 37. Large Woody Vines are more commonly found in
- Alpine forests
- Temperate forests
- Mangroves
- Tropical rainforests
Sol:
Lianas and epiphytes are more common in tropical rain forest.
Answer: (4)
Q. 38. Which one of the following expanded forms of the followings acronyms is correct?
- IUCN = International Union for Conservation of Nature and Natural Resources
- IPCC = International Panel for Climate Change
- UNEP = United Nations Environmental Policy
- EPA = Environmental Pollution Agency
Sol:
IPCC — Intergovernmental Panel for Climate Change
Answer: (1)
Q. 39. Which one of the following statements is correct for secondary succession?
- It is similar to primary succession except that it has a relatively fast pace
- It begins on a bare rock
- It occurs on a deforested site
- It follows primary succession
Sol:
Secondary biotic succession occurs in abandoned farm lands, burned or cut forests and lands that have been flooded.
Answer: (3)