OnlineCBT
Biology · HUMAN REPRODUCTION
हिन्दीConsider the following statements regarding the human testis: (a) In adults, each testis has a length of about 4 to 5 cm and a width of about 2 to 3 cm. (b) Each testis possesses about 250 compartments called testicular lobules. (c) Each testicular lobule contains 5 to 7 highly coiled seminiferous tubules. (d) The seminiferous tubules are lined on their inside by spermatogonia and Leydig cells. Which of the above statements are correct?
Correct answer · Option 1
and (b) only
Explanation
Statements (a) and (b) are correct. Statement (c) is incorrect because each lobule contains 1 to 3 highly coiled seminiferous tubules. Statement (d) is incorrect because the inside is lined by male germ cells (spermatogonia) and Sertoli cells; Leydig cells lie outside the tubules in the interstitial spaces.
