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Why do all copulations not lead to fe...

Why do all copulations not lead to fertilisation and pregnancy ? The root cause is ______

A

Ovum should reach earlier than sperms into ampullary - isthamic junction

B

Sperms should reach earlier than ova into ampullary - isthamic junction

C

Both sperms and ova should transport simultaneously to the ampullary - isthamic junction

D

Ovum should reach the vagina when sperms enter into it

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The correct Answer is:
C
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A : All copulations do not lead to fertilisation and pregnancy . R : Fertillsation can occur if the ovum and sperms are transported simultaneously to the ampullary - isthmic junction

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AAKASH SERIES-HUMAN REPRODUCTION-EXERCISE-III
  1. Why do all copulations not lead to fertilisation and pregnancy ? T...

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  2. Which of the following depicts the correct pathway of transport of spe...

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  3. Several hormones like hCG, hPL, estrogen, progesterone are produced by

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  4. Match Column-I with Column-II and select the correct option using the ...

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  5. Fertilization in humans is practically feasible only if

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  6. Changes in GnRH pulse frequency in females is controlled by circulatin...

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  7. Identify the correct statement on 'inhibin'

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  8. Which of the following layers in an antral follicle is acellular?

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  9. Which of the following events is not associated with ovulation in huma...

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  10. Capacitaion refers to changes in the

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  11. Which of these is not an important component of initiation of parturit...

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  12. Hysterectomy is surgical removal of

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  13. Ectopic pregnancies are referred to as

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  14. The shared terminal duct of the reproductive and urinary system in the...

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  15. The main function of mammalian corpus luteum is to produce

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  16. Select the correct option describing gonadotropin activity in a normal...

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  17. What is the correct sequence of sperm formation?

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  18. Which one of the following is not the function of plancenta? It

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  19. Menstrual flow occurs due to lack of

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  20. In our socity women are blamed for producing female children . Choose ...

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  21. The figure shows a section of human ovary. Select the option which giv...

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