An area is declared as 'Hot Spot' when from Biology Biodiversity

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 Multiple Choice QuestionsMultiple Choice Questions

91.

Which one of the following is not used for ex situ plant conservation?

  • Field gene banks

  • Seed banks

  • Shifting cultivation

  • Botanical gardens


92.

Which of the following represent maximum number of species among global biodiversity?

  • Algae

  • Lichens

  • Fungi

  • Mosses and ferns


93.

Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (Column III) to which it belongs

  • Column I Column II Column III
    Petromyzon Ectoparasite Cyclostomata
  • Ichthyophis Terrestrial Reptilia
  • Limulus Body covered by chitinous exoskeleton Pisces
  • Adamsia Radially symmetrical Porifera

94.

The concept of hot- spot was first introduced by

  • Mayer

  • Simpson

  • Myers

  • David


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95.

The objective of 'Ramsar Convention' was

  • forest conservation

  • wildlife conservation

  • wetland conservation

  • biodiversity conservation


96.

What is the full form of MAB?

  • Man and biosphere

  • Man and biosphere reserve

  • Man and biosphere reserve programme

  • Man and biosphere programme


97.

The 'Red Data Book' records

  • species diversity of wetlands

  • list of water pollutants

  • list of threatened species

  • rate of population decline


98.

Beta (β) diversity refers to diversity

  • within a community

  • between communities

  • between two eco zones

  • within a population


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99.

Which one of the followings is an in situ method of biodiversity conservation?

  • National park

  • Botanical garden

  • Zoological garden

  • Scientific laboratory


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100.

An area is declared as 'Hot Spot' when

  • it has 1500 or more endemic species and 75% of its original habitat is lost

  • it has 1500 or more vertebrate species and 75% of its original habitat is lost

  • it has more than 2000 species of plants

  • most of the species inhabiting the area is facing the risk of extinction


A.

it has 1500 or more endemic species and 75% of its original habitat is lost

Biodiversity hots spots are areas rich in endemic plants and contains a high diversity of species. They have more than 1500 species ( > 0. 5% of total world's population) of vascular plants as endemics, nearing 60% of world's plant, bird, animals, reptiles and amphibian species that are under tremendous threat having west more than 70% of their primary habitat.


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