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Blastocyst formation follows...

Blastocyst formation follows

A

fertilisation

B

spermatogenesis

C

gametogenesis

D

cleavage

Text Solution

Verified by Experts

The correct Answer is:
d
The process by which single cellular zygote transforms into 16-32 embryonic cellular hollow ball by continuous mitotic divisions is known as cleavage and this hollow ball is called blastula or blastocyst.
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ARIHANT PRAKASHAN-HUMAN REPRODUCTION-TOPIC -3- PRACTICE QUESTIONS EXAMS., TEXTBOOK.S & OTHER IMP. QUESTIONS (1 MARK QUESTIONS EXAMS. QUESTIONS)
  1. Which of the following hormones is not a steroid?

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  2. Which of the following is not secreted by the acrosome?

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  3. Blastocyst formation follows

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  4. Placenta secretes the hormone

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  5. The chief source of circulating oestrogen is

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  6. In human fertilization occurs in :

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  7. Delivery of a human baby following pregnancy is known as

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  8. Which of the following is a source of progesterone?

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  9. Milk ejection from the breasts of a woman following the birth of a bab...

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  10. Mammalian placenta is formed from

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  11. The covering of egg is called ........ membrane.

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  12. The primitive gut that forms during gastrulation is called ..........

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  13. During fertilisation, the sperm's acrosome releases ........

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  14. The menstrual cycle spans ..... days and the ovulation occurs on the d...

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  15. Penetration of spermatozoan into the egg at fertilisation triggers met...

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  16. Following the failure of fertilisation, the corpus luteum regresses in...

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  17. The layers of cuboidal follicular cells surrounding the primary oocyte...

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  18. Stromal cells, surrounding the granulosa cells are known as ...... cel...

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  19. The non-cellular layer surrounding the primary oocyte is known as .......

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  20. Corpus luteum is the main source of oestrogen and .......

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