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The entry of additional sperms into the ...

The entry of additional sperms into the ovum is prevented because of

A

(a) release of secretions from the acrosome

B

(b) changes in the zona pellucida

C

(c) changes in the corona radiata

D

(d) contractions and secretions of the fallopian tube

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The correct Answer is:
B
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TRUEMEN BIOLOGY ENGLISH-HUMAN REPRODUCTION-Multiple Choice Questions
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  2. Assertion: If scrotal sacs removed, testosterone is still found in the...

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  3. The entry of additional sperms into the ovum is prevented because of

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

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

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  6. In the human female , menstruation can be deferred by the administrati...

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  7. Compared to a bull a bullock is docile because of

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  8. In humans, at the end of the first meiotic division, the male germ cel...

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  9. Which extra-embryonic membrane in human prvents desiccation of the emb...

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  10. Which one of the following statement is incorrect about menstruation ?

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  11. In human adult females, oxytocin

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

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

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  14. Foetal ejection reflex in human female is induced by:

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  15. In a regularly cycling human female, which can be the root cause of me...

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  16. Given below is a diagrammatic sketch of a portion ofhuman male reprodu...

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  17. A change in the amount of yolk and its distribution in the egg will af...

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  18. Seminal plasma in humans is rich in

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  19. Vasa efferentia are the ductules leading from:

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  20. The first movements of the fetus and appearance of hair on its head ar...

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