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Biodiversity and Conservation

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which of the following is considered a hot-spot of biodiversity in India?

  • Western ghats

  • Indo-Gangetic plain

  • Eastern ghats

  • Aravalli hills


A.

Western ghats

Hot spots are the areas with high density of diversity or megadiversity which are also the most threatened once. Today, the number of hot spots identified by ecologists are 25 of which two hotspots are present in India i.e., Western Ghats occur along the western coast of India for a distance of about 1600 km in Maharashtra, Karnataka, Tamil Nadu and Kerala extending over to Srilanka.
Eastern Himalayas hot spot extends from Bhutan to Myanamar covering most of north-east.
In India, Indo-gamatic plain, Eastern ghats and Aravali hills are mainly not considered a hot spot of biodiversity.

Hot spots are the areas with high density of diversity or megadiversity which are also the most threatened once. Today, the number of hot spots identified by ecologists are 25 of which two hotspots are present in India i.e., Western Ghats occur along the western coast of India for a distance of about 1600 km in Maharashtra, Karnataka, Tamil Nadu and Kerala extending over to Srilanka.
Eastern Himalayas hot spot extends from Bhutan to Myanamar covering most of north-east.
In India, Indo-gamatic plain, Eastern ghats and Aravali hills are mainly not considered a hot spot of biodiversity.

769 Views

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

B.

70%
781 Views

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
1066 Views

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

B.

90
987 Views

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

C.

90
1323 Views

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

D.

Endemic
916 Views