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At what stage of life is oogenesis initi...

At what stage of life is oogenesis initiated in a human female?

A

At puberty

B

During menarche

C

During menopause

D

During embryonic development

Text Solution

Verified by Experts

The correct Answer is:
D
Oogensis is the process of formation of functional haploid ova from the diploid germinal cells in the ovary. Oogensis begain during embryonic development but is completed only after fertilisation of the secondary oocyte with the sperm.
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NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
  1. Which of the following contains the actual genetic part of a sperm ?

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  2. The sperm undergo physiological maturation, acquiring inreased motilit...

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  3. At what stage of life is oogenesis initiated in a human female?

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  4. A human female is born with a million of eggs (primary oocyte) at the ...

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  5. 1^(st) polar body is formed at which stage of oogenesis?

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  6. In the given T.S. of human ovary identify A to F and select the correc...

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  7. In overy we can find (i) primary follicle , (ii) Graafian follicle ...

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  8. Which one is released from the ovary?

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  9. In oogenesis, a diploid cell produce "" ovum/ova.

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  10. During oogenesis, each diploid cell produces

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  11. In oogensis, egg is fertilised by sperm at which stage?

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  12. Statememt 1 : In a Graafian follicle, the primary cell, the and the f...

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  13. Layers of an ovum from outside to inside is

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  14. Given here is the figure of a section of Grafian follcle, identify the...

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  15. Which part of ovary in mammals acts as an endocrine gland after ovulat...

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  16. Pick the odd one out from each series given below and select the corre...

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  17. Mark the odd item in each series and select the correct option. (i) ...

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  18. Match column I with column II and select the correct option from the ...

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  19. Which of the followin options is correct?

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  20. Given below is an incomplete flow chart showing influence of hormones ...

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