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NEET Zoology MCQs: Class-XI and Class-XII



NEET Zoology MCQs: Class-XI and Class-XII

Tropical regions show greatest level of species richness because:

A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
B. Tropical environments are more seasonal.
C. More solar energy is available in tropics.
D. Constant environments promote niche specialization.
E. Tropical environments are constant and predictable.

Choose the correct answer from the options given below.

[class-xii ]

  • A and B only
  • A, C, D and E only
  • A, B and D only
  • A, B and E only
  • Correct Option: B  [ A, C, D and E only ]

    Remark: Explanation: NCERT Page no.261-262

These are regarded as major causes of biodiversity loss:

A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat loss and fragmentation
E. Migration

Choose the correct option:

[class-xii ]

  • A, B, C and D only
  • A, C and D only
  • A, B and D only
  • A, B and E only
  • Correct Option: C  [ A, B and D only ]

    Remark: Explanation: NCERT Page. 264 (Topic-15.1.4 Loss of Biodiversity)