Human Reproduction Question 21

21. Middle piece of mammalian sperm possesses

(a) mitochondria and centriole

(b) mitochondria only

(c) centriole only

(d) nucleus and mitochondria

Show Answer

Answer : a

Hints & Solutions

(a) Sperm has : (i) head in which acrosome & nucleus are present (ii) middle piece in which it contains many mitochondria (iii) A long & highly motile tail. (A short neck is also present between middle piece & head which has centrioles and may sometimes regarded as a part of middle piece)