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Penetration of ovum by sperm during fert...

Penetration of ovum by sperm during fertilization is assisted by -----

A

Centrosome

B

Mitochondria

C

Acrosome

D

None of these

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USHA PUBLICATION-HUMAN REPRODUCTION -EXERCISE
  1. Generally, what is the site of fertilisation in human being? (Vagina, ...

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  2. On which day of normal menstrual cycle, ovulation occurs?

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  3. Penetration of ovum by sperm during fertilization is assisted by -----

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  4. Which canal connects the cavity of the scrotal sac with the abdominal ...

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  5. During fertilisation, the sperm's acrosome releases ........

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  6. Which part of the sperm enters into the egg during fertilization ?

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  7. The fusion of the pronuclei of sperm and ovum is known as -----

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  8. Which type of cleavage occurs in the zygote of human female ?

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  9. Mature ovum enters fallopian tube through

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  10. Which extra emboryonic membrane in human prevents desiccation of the e...

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  11. A change in amount of Yolk and its distribution in the egg will affect...

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  12. The first movement of the foetus and appearance of hair on its head ar...

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  13. During which stage of oogenesis the number of chromosomes is reduced t...

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  14. Which germs layers develop into liver and pancreas.

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  15. Notochord develops from which embryonic layer?

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  16. Mammalian placenta is formed from

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  17. In a mature sperm the mitochondria are persent in .

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  18. Which of the following structure is ectodermal in ogrin -----.

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  19. Sertoli cells provide nutrition to----.

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  20. Which one of the following develops into corpus luteum after ovulatio...

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