Select the incorrect statement regarding testes.

The correct option is D

Interstitial cells of testes produce sperms.

The correct option is D.

Explanation of correct option:

1. Interstitial cells are also called Leydig cells.
2. They are present in the connective tissue between the adjacent seminiferous tubules.
3. They are large, polygonal cells.
4. Interstitial cells produce male hormones called androgens.

Explanation of incorrect options:

Option A:

1. Testes are endocrine glands that release their secretion directly into lymph or venous blood.
2. They secrete male sex hormones like testosterone, androsterone, etc.
3. The main male hormone is testosterone.

Option B:

Testes are extra-abdominal organs that are suspended in the scrotal sacs by spermatic cords.

Option C:

1. After completion of spermiogenesis, the sperm heads become embedded in Sertoli cells.
2. From the Sertoli cells, the sperms obtain their nourishment.

Final answer: The incorrect statement is interstitial cells of testes produce sperms.