Question

48. Middle piece of mammalian sperm possesses
(a) mitochondria and centriole
(b) mitochondria only
(c) centriole only
(d) nucleus and mitochondria.​

Answer 1

Explanation:

a) is the correct

very easy

Answer 2

Middle piece of a mammalian sperm contains mitochondria coiled around the axial filament called mitochondrial spiral. They provide energy for the movement of the sperm.

So your answer is :-

(b) mitochondria only ✅

EXPLANATION

Nucleus is present at the sperm head or acrosome. Centriole is present at the neck region. And in the middle piece only mitochondria is present ✌️