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Which one of the following is the most l...

Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?

A

Fertilisation of the ovum

B

Maintenane of the hypertrophical endometrial lining

C

Maintene of high concentration of sex-hormoes in the blood stream

D

Retention of well-developed corpus lucteum

Text Solution

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The correct Answer is:
A
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ARIHANT NEET-HUMAN REPRODUCTION -MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS MEDICAL ENTRANCE EXAMS)
  1. The middle piece of the sperms contains

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  2. After ovulation, Graafian follicle forms

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  3. Which one of the following is the most likely reason of not occurring ...

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  4. In humans the oocyte is maintained in a state of meiotic arrest by the...

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  5. Human chorionin gonadotropin is secreted by

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  6. In human the unpaired male reproductive structure is

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  7. Bartholin's glands are situated

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  8. The parts of male urethra are

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  9. Formation of corpus luteum is infulenced by

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  10. The cavity contained in Graafian follicle is

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  11. Human sperm cells move by means of a

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  12. In oogenesis, when a diploid cell in the ovary undergoes, meiosis, how...

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  13. Vapaciotation of sperm in mammals involves

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  14. Assertion (A) Generally, a woman do not conceive during lactation per...

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  15. Which hormone is secreted in a womane if pregnancy has occurred ?

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  16. The chemical substance released by activated spermatozoa that acts on ...

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

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  18. Seminal plasma in humans is rich in

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  19. Foetal ejection reflex in human female is induced by

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

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