The head of mature mammalian sperm is made up of

An acrosome

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Elongated nucleus covered by acrosome

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Two centrioles and an axial filement

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Nucleus, acrosome, cytoplasm and mitochondrial sheath

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Solution

The correct option is B Elongated nucleus covered by acrosome
The mammalian sperm cell consists of a head, a midpiece and a tail. The head contains the nucleus with densely coiled chromatin fibres, surrounded anteriorly by an acrosome, which contains enzymes used for penetrating the female egg. Hence, option B is correct.

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Similar questions

The sperm and the egg make different contributions to zygote. Which of the following statements about their contributions are true?

(i) Sperm contributes most of the mitochondria.

(ii) Egg contributes most of the cytoplasm.

(iii) Both sperm and egg contribute haploid nucleus

(iv) Both sperm and egg contribute centrioles.

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