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In mammals the female secondary sexual c...

In mammals the female secondary sexual characters are developed mainly by the hormone :-

A

Relaxin

B

Estrogens

C

Progesterone

D

Gonadotropins

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The correct Answer is:
B
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Assertion : In mammals the female secondary sexual characters are deceloped by gonadotropins. Reason : Gonadotropins are secreted by graafian follicle.

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MOTION-HUMAN REPRODUCTION -EXERCISE - 2 (NCERT BASED QUESTIONS)
  1. Supporting cells found in between the germinal epithelium is called:

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  2. Atretic follicles are found in the :-

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  3. In mammals the female secondary sexual characters are developed mainly...

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  4. Which of the following undergoes spermiogenesis :

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  5. Various changes in mammalian sperm which prepare it to fertilise the o...

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  6. In gastrulation , which is (are) formed :

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  7. During oogenis , the small structures separated from egg is :

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  8. Foetal sex can be determined by examining cells from amniotic fluid lo...

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  9. Which of the following is not the correct for gastrulation ?

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  10. In human foetus , the heart begins to beat at developmental age of :

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  11. Development of animal embryo from egg without fertilization is called ...

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  12. During embryonic development , endoskeleton and muscle develop from wh...

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  13. Polar bodies are produced during the formation of:

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  14. The part where fertilization of ovum occurs in placental mammals is :

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  15. In a vertabrate which germ layer forms the skeletal muscles ?

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  16. Liver and pancreas of frog and rabbit are derived from :

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  17. Which germ layer developes first during embryonic development?

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  18. Acrosome of spermatozoa is formed from :

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  19. The nervous system of vertebrates is derived from :

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  20. Cavity formed during gastrulation is

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