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What is blastocoel in mammalian developm...

What is blastocoel in mammalian development? What does it signify from the point of view of phylogeny?

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ICSE-HUMAN REPRODUCTION-PRACTICE QUESTIONS (SHORT ANSWER TYPE-II QUESTIONS)
  1. What is pregnancy hormone? Why is it so called? Name two sources of th...

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  2. Draw an electron microscopic sketch of mammalian (human) sperm and lab...

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  3. What is cleavage? Describe it in human zygote.

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  4. Briefly describe changes in the human ovary taking place under the inf...

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  5. Describe chemical events in the fertilisation of mammalian egg.

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  6. What is blastocoel in mammalian development? What does it signify from...

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  7. List the functions of ovaries.

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  8. What is gametogenesis? Name its two types and give at least two differ...

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  9. Why is human placenta referred to as haemochorial type? Name the hormo...

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  10. Describe the structure of human testis. (No diagram is needed.)

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  11. What is menstrual cycle? Write down hormonal control over menstrual cy...

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  12. What is oogenesis. What are its main steps?

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  13. Label the following diagram

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  14. (a) In which part of the human female reproductive system do the follo...

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  15. In which organ are Leydig cells and Sertoli cells located? Differentia...

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  16. What is polyspermy? How is it prevented?

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  17. How is the entry of only one sperm and not many ensured into an ovum d...

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  18. Define spermatogenesis and oogenesis.

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  19. What is spermatogenesis? Describe in detail.

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  20. Draw a labelled diagram of the sectional view through a small part of ...

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