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Question
Draw a diagram of a mature human sperm. Label any three parts and write their functions.
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Solution
- Head: It the flat oval part of the human sperm that contains the nucleus, containing genetic material, and acrosome, a small anterior part which is formed from Golgi complex. It secretes hyaluronidase enzyme which helps in the entry of sperm into the egg.
- Middle Piece: It is the middle, cylindrical portion of the sperm, which contain numerous mitochondria. They provide energy (ATP) to the sperm for its movement.
- Tail: It is the long, tapering structure composed of cytoplasm. It helps in the movement of the sperms inside the uterus.
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| Column A | Column B | ||
| A. | Head | i. | Enzymes |
| B. | Middle piece | ii. | Sperm motility |
| C. | Acrosome | iii. | Energy |
| D. | Tail | iv. | Genetic material |
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