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Ecology and Environment

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1. Consider the following statements.

  1. Distribution of natural vegetation depends upon temperature and moisture.
  2. The amount of moisture is directly proportional to size of the trees.

Which of the following statements is/ are true?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

2. Which of the following statements is/are true regarding habitat and environment?

  1. A habitat always has life in it, whereas the environment does not necessarily have life in it.
  2. A habitat is always a preference of one species.

Select the correct answer using the code given below.

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 and 2

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3. Which of the following is the reason for slow regeneration of rainforest if destroyed?

  1. Exotic species invades the fertile soil of rain forest as soon as it gets destroyed.
  2. The soil of rainforest is deficient of nutrients for a faster growth.
  3. The plants and trees of rainforest are slow growing type
  4. The seeds of trees in rainforest requires abundant shadow for germination

4. Consider the following pairs.

  1. Nagarhole National Park – Karnataka
  2. Bandipur National Park – Karnataka
  3. Bandhavgarh National Park – Madhya Pradesh

Which of the pairs given above is/are correctly matched?

  1. 1 and 2
  2. 2 only
  3. 1 and 3
  4. 1, 2 and 3

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5. A zone of junction or a transition area between two biomes is known as?

  1. Edge zone
  2. Ecotone
  3. Beta community
  4. Ecological Niche

  6. Consider the statements regarding Food Chain  and Food Web:

  1. A food chain illustrates the numbers of each organism which are eaten by others.
  2. If any of the intermediate food chain in a food web is is removed, the succeeding links of the chain will not be affected largely.  
  3. The trophic level of an organism is the position it occupies in a food chain.

Which of the above statements is/are true?

  1. 3 only
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

7. Consider the statements regarding Ecological Pyramids:

  1. A pyramid of Energy is always upright
  2. A pyramid of Number is always inverted
  3. An ecological pyramid can accommodate a food web.

Which of the above statements is/are true?

  1. 1 only
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

8. Which of the following conditions will help in robust development of corals?

  1. Deep waters with depth minimum of 100m below sea level
  2. Turbid seawater with a high influx of river discharges
  3. Perpetually warm waters.

Select the correct answer using the code given below.

  1. 3 only
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

9. Arrange the following Biosphere reserves from South to North.

  1. Simlipal
  2. Achanamarkantak
  3. Manas
  4. Kanchenjunga

Select the correct answer using the code given below

  1. 1 3 2 4
  2. 1 3 4 2
  3. 1 2 3 4
  4. 2 1 3 4

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10. Consider  the statements regarding Montreux Record:

  1. It is under the aegis of Ramsar Convention
  2. It is a register of wetland sites on the List of Wetlands of International Importance where changes in ecological character have occurred, are occurring, or are likely to occur as a result of technological developments, pollution or other human interference.
  3. Chilika Lake is also enlisted in Montreux Record

Which of the above statements is/are true?

  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

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