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What happens during fertilization in hum...

What happens during fertilization in human after many sperms reach close to the ovum ?

A

Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida

B

all sperms except the one nearest to the ovum lose their tails

C

cells of corona radiata trap all the sperms except one

D

only two sperms nearest the ovum penetrate zona pellucida

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The correct Answer is:
A
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AAKASH SERIES-HUMAN REPRODUCTION-EXERCISE-III
  1. The testis in humans are situated outside the abdominal cavity inside ...

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  2. Identify parts A-D in human female reproduction system

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  3. What happens during fertilization in human after many sperms reach clo...

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  4. About which day in a normal human menstrual cycle does rapid secretion...

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  5. Sertoli cells are found in

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  6. Vasa efferentia are the ductules leading from

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  7. Seminal plasma in human males is rich in

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  8. The first movements of the foetus and appearance of hair on its head a...

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  9. The second maturation division of the mammalian ovum occurs

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  10. Which one of the following statements about human sperm is correct ?

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  11. Which one of the following statements about morula in human is correct...

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  12. The part of Fallopian tube closest to the ovary is

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  13. Signals from fully developed foetus and placenta ultimately lead to pa...

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  14. In human female the blastocyst

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  15. secretions from which one of the following are rich in fructose, calci...

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  16. Seminal plasma in humans is rich in

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  17. Which one of the following is the correct matching of the events occur...

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  18. In the figure of mammalian spermatozoan, identify the different parts ...

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  19. Foctal ejection reflex in human female is induced by

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  20. The correct sequence of spermatogenetic stages leading to the formatio...

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