The active chemical drug reserpine is obtained from
  • Papaver
  • Datura
  • Atropa
  • Rauvolfia
Red data Book deals with:
  • Animals on verge of extinction
  • Plants showing photoperiodism
  • Endemic plant
  • Plants that are extinct
Red data books are produced by:
  • IUCN
  • WWF
  • IBWL
  • None of these
The species becomes extinct most easily by:
  • Deforestation
  • Heavy rains
  • Urbanization
  • Sliding of hills
Amongst the animal groups given below, which one has the highest percentage of endangered species?
  • Mammals
  • Insect
  • Amphibians
  • Reptiles
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