UPSC 2011 › Environment & Ecology › Biodiversity & Conservation

5 questions · 2011 · answers as per the UPSC key

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UPSC 2011 · Q20 · Environment & Ecology › Biodiversity & Conservation · Save

Three of the following criteria have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity:

  1. Species richness
  2. Vegetation density
  3. Endemism
  4. Ethno-botanical importance
  5. Threat perception
  6. Adaptation of flora and fauna to warm and humid conditions Which three of the above are correct criteria in this context?
(a) 1, 2 and 6
(b) 2, 4 and 6
(c) 1, 3 and 5
(d) 3, 4 and 6
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Answer: (c) 1, 3 and 5
UPSC 2011 · Q24 · Environment & Ecology › Biodiversity & Conservation · Save

The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?

(a) It has a high rainfall that supports luxuriant vegetative growth
(b) It is a confluence of different bio-geographical zones
(c) Exotic and invasive species have not been introduced in this region
(d) It has less human interference
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Answer: (b) It is a confluence of different bio-geographical zones
UPSC 2011 · Q72 · Environment & Ecology › Biodiversity & Conservation · Save

Which one of the following is not a site for in-situ method of conservation of flora?

(a) Biosphere Reserve
(b) Botanical Garden
(c) National Park
(d) Wildlife Sanctuary
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Answer: (b) Botanical Garden
UPSC 2011 · Q79 · Environment & Ecology › Biodiversity & Conservation · Save

The "Red Data Books" published by the International Union for Conservation of Nature and Natural Resources (IUCN) contain lists of

  1. Endemic plant and animal species present in the biodiversity hotspots.
  2. Threatened plant and animal species.
  3. Protected sites for conservation of nature and natural resources in various countries.

Select the correct answer using the codes given below:

(a) 1 and 3
(b) 2 only
(c) 2 and 3
(d) 3 only
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Answer: (b) 2 only
UPSC 2011 · Q96 · Environment & Ecology › Biodiversity & Conservation · Save

Consider the following statements:

  1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
  2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
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Answer: (c) Both 1 and 2