Choose the incorrect option from the following:

The correct answer is Option (2) → The tail portion of a sperm contains mitochondria, which produce energy for a movement of tail.

A sperm has four parts: the head, neck, middle piece and tail.

(1) The acrosome is a cap like structure, filled with enzymes that aid in fertilization. — A true statement. The acrosome covers the front of the sperm head. Its enzymes help the sperm to enter the ovum.

(2) The tail portion of a sperm contains mitochondria, which produce energy for a movement of tail. — Not a true statement. The mitochondria lie in the middle piece, which is between the neck and the tail. They give the energy for the movement of the tail. The tail itself carries no mitochondria.

(3) Sperms released from the seminiferous tubules are transported by accessory ducts. — A true statement. The sperms pass through the male sex accessory ducts, which are the rete testis, vasa efferentia, epididymis and vas deferens.

(4) Spermatozoa consist of head, neck, middle piece, and tail. — A true statement. These are the four parts of the sperm.

NCERT Extract:
Gametogenesis – …

Figure 2.6 Structure of a sperm