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Mammalian placenta is formed from...

Mammalian placenta is formed from

A

yolk sac

B

chorion allantois

C

chorion

D

amnion

Text Solution

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The correct Answer is:
B
Mammalian placenta is formed from chorion allantois.
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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 is a source of progesterone?

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

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  3. Mammalian placenta is formed from

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

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

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

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

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

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

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

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

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

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

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  14. What is the function of amniotic fluid for the foetus?

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  15. What do you mean by endometrium. of the uterus?

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  16. What is the process of entry of spermatozoa into an ovum and the fusio...

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  17. What is the other name of trophoblast cells lying over the embryonic d...

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  18. What is capacitation with reference to sperm?

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  19. The tissue formed by the apposition of both the maternal and foetal ti...

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  20. The fertilizing-antifertilizin reaction that stops the march of a larg...

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