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Updated 12th Standard Biology Study Materials 2022-2023 Exams

12th Standard Zoology - Organisms and Population Two Marks Questions Question Bank Software Sep-27 , 2019

Zoology - Organisms and Population

12th Standard Zoology - Organisms and Population Two Marks Questions

Zoology - Organisms and Population Two Marks Questions

12th Standard

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Biology

Time : 00:45:00 Hrs
Total Marks : 20
    10 x 2 = 20

  1. Define ecological niche.

  2. What is Zero Stress?

  3. What is soil permeability?

  4. State Allen's rule.

  5. Mention the important behavioural adaptations seen is animals

  6. What is competitive exclusion principle?

  7. What is ecosphere?

  8. Define alpine zone

  9. How do animals like fishes and bears avoid unfavourable climatic conditions?

  10. How natality and mortality can be calculated?

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