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NEETZoologyHuman Reproduction

Select the correct statement regarding the structure of a sperm:

Options

  1. AThe acrosome contains enzymes that help the sperm to penetrate the egg.
  2. BThe human male ejaculates about 200 to 300 thousand sperms during a coitus
  3. CThe tail of the sperm contains mitochondria for energy.
  4. DFor normal fertility, at least 30 per cent sperms must have normal shape and size and at least 50 percent of t

Correct answer

A. The acrosome contains enzymes that help the sperm to penetrate the egg.

Step-by-step solution

A is correct. The acrosome is filled with enzymes that help fertilization of the ovum. B is incorrect. The human male ejaculates about 200 to 300 million sperms during a coitus. C is incorrect.The middle piece possesses numerous mitochondria. D is incorrect. For normal fertility, at least 60 per cent must have normal shape and size and at least 40 percent of them must show vigorous motility.

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