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In human female the blastocyst:-...

In human female the blastocyst:-

A

forms placenta even before implantation

B

gets implanted into uterus 3 days after ovulation

C

gets nutrition from uterine endometrial secretion only after implantation

D

gets implanted in endometrium by the trophoblast cells.

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The correct Answer is:
D
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AAKASH SERIES-HUMAN REPRODUCTION-EXERCISE-III
  1. The second maturation division of the mammalian ovum occurs

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  2. Which one of the following statements about human sperm is correct?

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  3. Which one of the following statements about morula in humans is correc...

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  4. The part of Fallopian tube closest to the ovary is

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  5. Signals from fully developed foetus and placenta ultimately lead to pa...

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  6. In human female the blastocyst:-

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  7. Secretions from which one of the following are rich in fructose,calciu...

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  8. Seminal plasma in humans is rich in

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  9. Which one of the following is the correct matching of the events occur...

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  10. In the figure of mammalian spermatozoan, identify the different parts ...

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  11. Foetal ejection reflex in human female is induced by

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  12. The correct sequence of spermatogenetic stages leading to the formatio...

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  13. Which one of the following is the most likely root cause why ...

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  14. A change in the amount of yolk and its distribution in the egg will af...

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  15. In humans, at the end of the first meiotic division, the male germ cel...

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  16. In human adult females oxytocin

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  17. Which one of the following statements is incorrect about menstruation?

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  18. Which extraembryonic membranes in human prevents dissicaation of embr...

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  19. Which part of ovary in mammals acts as an endocrine gland after ovulat...

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  20. In human female, menstruation can be deferred by the administration of

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