These questions consist of two statements each, printed as Statement-I and Statement-II. While answering these questions, you are required to choose any one of the following four responses.
Statement-I: Penetration of a sperm into an ovum is a chemical process.
Statement-II: Acrosome of a sperm secretes a lytic enzyme which dissolves the zona pellucida of ovum.
Text Solution
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(a) Penetration of a sperm into an ovum is a chemical process. The sperm acrosome-produced enzyme hyaluronidase dissolves the ovum's zona pellucida, allowing the sperm to enter the ovum.
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