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Consider the following statements each w...

Consider the following statements each with two blanks.
(A) Seminiferous tubules produce `overset((i))"_____"` while Leydig's cells produce `overset((ii))"_____"`.
(B) In females, urethra is small and conducts `overset((iii))"_____"` while in males it conducts urine and `overset((vi))"_____"`.
(C) The process of formation of spermatozoa form spermatogonia is called `overset((v))"_____"` and the process of maturation of spermatids into spermatozoa is called `overset((vi))"_____"`.
Which one of the following options, gives the correct fill ups for the respective blanks numbers from (i) to (vi) in the statements?

A

(i)-spermatozoa, (ii)-testosterone,
(v)-spermatogenesis, (vi)-spermiogensis

B

(i)-testosterone, (ii)- spermatozoa,
(iii)-urine, (iv)-semen

C

(i)-estrogen, (ii)-testosterone,
(v)-spermiogenesis, (vi)-spermatogenesis

D

(iii)-urine, (iv)-semen,
(v)-spermiogenesis, (vi)-spermatogenesis

Text Solution

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The correct Answer is:
A
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In honeybees, females are overset("(i)")"____" having overset("(ii)")"____" chromosomes and males are overset("(iii)")"____" having overset("(iv)")"____" chromosomes

Thoracic chamber is formed dorsally by the overset((i))"____" , vertrally by the overset((ii))"____" , laterally by the overset((iii))"____" and on lower side by the dome shaped overset((iv))"____" . Select the correct option to complete the above paragraph.

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NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
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  2. Which of the following is group of cells in the male gonad, represent ...

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  3. Consider the following statements each with two blanks. (A) Seminife...

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  4. The process of release of spermatozoa from Sertoli cells into cavity o...

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

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  6. Given below is an incomplete flow chart showing influence of hormones ...

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  7. Spermatogenesis is induced by

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  8. The given table shows differences between spermato-genesis and spermio...

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  9. Identify the parts labelled as A, B, C, D and E in the given diagram o...

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  10. The middle piece of the sperm contains

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  11. Consider the following three statements related to the human male repr...

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  12. The principal tail piece of human sperm shows the microtubular arrange...

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  13. A cross section at the midpoint of the middle piece of a human sperm w...

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  14. Acrosome is a type of

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  15. Which of the following contains the actual genetic part of a sperm ?

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  16. The sperm undergo physiological maturation, acquiring inreased motilit...

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  17. At what stage of life is oogenesis initiated in a human female?

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  18. A human female is born with a million of eggs (primary oocyte) at the ...

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  19. 1^(st) polar body is formed at which stage of oogenesis?

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  20. In the given T.S. of human ovary identify A to F and select the correc...

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