NEET 2010 Biology question

Which one of the following statements about human sperm is correct.

(1)The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisationCorrect
(2)Acrosome serves as a sensory structure leading the sperm towards the ovum
(3)Acrosome serves no particular function
(4)Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilisation.

Answer: (1)

Solution

The acrosome is a cap-like structure at the anterior end of the sperm head, derived from the Golgi complex. It contains hydrolytic enzymes (sperm lysins such as hyaluronidase and acrosin) that dissolve the egg envelope (zona pellucida and corona

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Question ID VK-090642