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Extrusion of second polar body from eg...

Extrusion of second polar body from egg nucleus occurs

A

After entry of sperm before completion of fertilization

B

After completion of fertilization

C

Before entry of sperm

D

Without any relation of sperm entry.

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The correct Answer is:
A
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MOTION-HUMAN REPRODUCTION -EXERCISE - 2 (NCERT BASED QUESTIONS)
  1. Egg with peripheral cytoplasm around the yolk is

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  2. Oocyte is liberated from ovary under the influence of LH, after compl...

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  3. Extrusion of second polar body from egg nucleus occurs

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  4. When both ovaries are removed from a rat which harmone is decreased in...

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  5. In a 30 year old lady, eggs are released in form of

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  6. In the diagram of section of Graafian follicle , different parts are i...

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  7. Stages in menstrual cycle are

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  8. If the menstrual cycle is of 35 days then what is risk period (cycle s...

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  9. After ovulation follicles converted into :-

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  10. Ovulation in the human female normally takes place during the menstrua...

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  11. Correct sequence of hormone secretion from beginning of menstruation i...

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  12. At ovulation , the mammalian egg is covered by a membrane called:

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  13. How many cleavages are required for formation of 16 blastomeres .

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  14. The blastomeres in the blastocyst are arranged into an outer layer A a...

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  15. During cleavage , what is true about embryo ?

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  16. Amount of yolk and its distribution are changed in the egg . Which one...

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  17. What is true about cleavage in fertilized egg in humans?

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  18. Which cell division is found during cleavage

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  19. In which of the following animal clevage divisions are restricted to a...

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  20. Blastopore is the pore of :-

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