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Why does menstruation occur ?...

Why does menstruation occur ?

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The unfertilized egg is given out during menstruation.
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ZEN PUBLICATION-HOW DO ORGANISMS REPRODUCE?-QUESTIONS SECTION (TEXTUAL EXERCISE)
  1. The anther contains

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  2. What are the advantages of sexual reproduction over asexual reproducti...

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  3. What are the functions performed by the testes in human beings?

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  4. Why does menstruation occur ?

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  5. Draw a labelled diagram of the longitudinal section of a flower.

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  6. What are the different methods of contraception?

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  7. How are the modes for reproduction different in unicellular and multic...

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  8. How does reproduction help in providing stability to populations of sp...

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  9. What could be the reasons for adopting contraceptive methods?

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  10. Asexual reproduction takes place through budding in

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  11. Which of the following is not a part of the female reproductive system...

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  12. The anther contains

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  13. What are the advantages of sexual reproduction over asexual reproducti...

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  14. What are the functions performed by the testes in human beings?

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  15. Why does menstruation occur ?

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  16. Draw a labelled diagram of the longitudinal section of a flower.

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  17. What are the different methods of contraception?

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  18. How are the modes for reproduction different in unicellular and multic...

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  19. How does reproduction help in providing stability to populations of sp...

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  20. What could be the reasons for adopting contraceptive methods?

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