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Biodiversity and Conservation

Book Chosen

Biology

Subject Chosen

Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Mass of living matter at a trophic level in an area at any time is called. 

  • Detritus

  • Humus

  • Standing state

  • Standing crop


D.

Standing crop


The number of national parks in India is :
  • 56
  • 66
  • 90
  • 448

C.

90

According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than :
  • 1.5 million
  • 15 million
  • 150 million
  • 1500 million

A.

1.5 million

Number of Biosphere reserves in India is :
  • 143
  • 90
  • 180
  • 448

B.

90

Animals constitute what % of the total species of organisms (plants and animals) recorded so far ?
  • 7%
  • 70%
  • 17%
  • 8%

B.

70%

What are the species confined to a region and not found anywhere else called?
  • Endangered
  • extinct
  • Sacred
  • Endemic

D.

Endemic