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Mammalian placenta is formed from...

Mammalian placenta is formed from

A

Yolk sac

B

Chorionic allantois

C

Chorion

D

Amnion

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USHA PUBLICATION-HUMAN REPRODUCTION -EXERCISE
  1. Which germs layers develop into liver and pancreas.

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  2. Notochord develops from which embryonic layer?

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  3. Mammalian placenta is formed from

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  4. In a mature sperm the mitochondria are persent in .

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  5. Which of the following structure is ectodermal in ogrin -----.

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  6. Sertoli cells provide nutrition to----.

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  7. Which one of the following develops into corpus luteum after ovulatio...

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  8. The leydig's cells as found in the human body are the secretory source...

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  9. The product of first maturation division in testis is known as-----.

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  10. Development of spermatozoa is stimulated by which hormone?

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  11. The region where sperm enter the egg is called-

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  12. During fertilisation through which path the male pronucleus moves to m...

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  13. How many spermatozoa are formed from one secondary spermatocyte ?

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  14. During spermatogenesis, the first meiotic division is observed in :

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  15. The process of yolk synthesis is known as---.

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  16. What type of placenta is found in humans?

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  17. what forms the acrosome of sperm?

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  18. Which one is unpaired gland in male reproductive system?

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  19. Which part of epididymis receives vasa efferentia?

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  20. What is the number of chromosomes in the following cells of a human ma...

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