MCQ
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Each seminiferous tubule is lined on its inside by three types of cells.
Reason: These cells are male germ cells, Sertoli cells and Leydig's cells.
  • A
    Both assertion and reason are true, and reason is the correct explanation of assertion.
  • B
    Both assertion and reason are true, but reason is not the correct explanation of assertion.
  • C
    Assertion is true, but reason is false.
  • Both assertion and reason are false.

Answer

Correct option: D.
Both assertion and reason are false.
Each seminiferous tubule is lined on its inside by two types of cells, called male germ cells $($spermatogonia$)$ and Sertoli cells. The regions outside the seminiferous tubules, called interstitial spaces, contain Leydig's cells. Leydig's cells synthesise and secrete testicular hormones called androgens.

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