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Nature plays a decisive role in selectin...

Nature plays a decisive role in selecting the fit organisms'. Explain the above statement with the help of two examples.

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ARIHANT PUBLICATION-SAMPLE PAPER 5-SECTION B (ZOOLOGY)
  1. The surgical method in females to avoid pregnancy is

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  2. Choose the correct answer from the choices given under each bit/ Give ...

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  3. Choose the correct answer from the choices given under each bit/ Give ...

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  4. Fill in the blanks with correct answer(s)/Correct the underlined porti...

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  5. A cross between F1-hybrid and a recessive parent gives the ratio of

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  6. Fill up the blanks with correct answer(s)./Correct the underlined port...

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  7. Fill in the blanks with correct answer(s)/Correct the underlined porti...

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  8. Fill in the blanks with correct answer(s)/Correct the underlined porti...

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  9. Answer any three of the following (restrict each answer 2 to 3 importa...

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  10. Answer any three of the following (restrict each answer 2 to 3 importa...

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  11. Answer any three of the following (restrict each answer 2 to 3 importa...

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  12. Answer any three of the following (restrict each answer 2 to 3 importa...

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  13. Answer any three of the following (restrict each answer 2 to 3 importa...

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  14. Answer any three of the following (restrict each answer 2 to 3 importa...

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  15. Differentiate between any one of the following (restrict the answer 3 ...

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  16. Illustrate in detail the process of spermatogenesis in human.

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  17. Briefly explain the 'struggle for existence' concept of Darwin's theor...

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  18. Nature plays a decisive role in selecting the fit organisms'. Explain...

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  19. What is sex-linked inheritance?

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  20. Write short notes on any two of the following: (a) Transgenic anima...

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