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In human female the blastocyst:-...

In human female the blastocyst:-

A

Forms placenta even before implantation

B

Gets implanted in the uterus 3 days after ovulation

C

Gets implanted in the endometrium by trophoblast cells

D

The trophoblast cells get differentiated as the embryo

Text Solution

Verified by Experts

The correct Answer is:
C
After implantation, chorionic villi and uterine tissue become interdigitated with each other and jointly form placenta. Blastocyst gets implanted in the uterus about 7 days after fertilization. Inner cell mass gets differentiated into embryo.
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VMC MODULES ENGLISH-HUMAN REPRODUCTION -SOLVED EXAMPLES
  1. Which one of the following statements is incorrect about menstruation?

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  2. What is true aobut cleavage in the fertilised egg in humans?

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  3. Which of the following best illustrates feedback in development ?

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  4. Epiboly is the process of

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  5. which of the followin enzyme helps sperm to penetrate zone pellucida ?

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  6. which of the following is not the function of Sertoli cells (sustentac...

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  7. If both ovaris are removed from pregnant human femle in first trimeste...

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  8. Decidua which lakes part in the formation of maternal protion of the p...

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  9. which of the following decidua layer forms a partition between develop...

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  10. Which of the following is a set of male accessory ducts?

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  11. Which hormones are produced in women only during pregnancy?

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  12. Immediately after implantaion, ectoderm, endoderm and the mesoderm of ...

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  13. In human female the blastocyst:-

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  14. Trophoblast is not involved in the formation of

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  15. Which one of the following statements is incorrect about menstr...

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  16. On which day of the menstrual cycle does ovulation take place ?

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  17. After ovulation Graafian follicle transforms into

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  18. Primary sex organs differ from the secondary sex organs in all t...

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  19. Why the testes in human beings and mammals are situated outside ...

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  20. Male accessory glands include

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