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Q.

Each seminiferous tubules is lined on its inside by two types of cells A and B. 
Which of the following options is correct, w.r.t each type of cell and its function?
 

 AB
1Male germ cells: undergo meiotic divisionSertoli cells : provide nutrition to germ cells
2Spermatogonia : undergo mitosisSertoli cells : secrete testicular hormones
3Male germ cells : lead to sperm formationLeydig cells : secrete androgens
4Sertoli cells : provide nutrition to germ cellsLeydig cells : secrete inhibin

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a

2

b

1

c

3

d

4

answer is A.

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Detailed Solution

Seminiferous tubules are lined on its inside by:

  • Male germ cells form the sperm.
  • Sertoli cells provide nutrition to germ cells.
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