Assertion: Mammalian ova produces hyaluronidase.
Reason: The eggs of mammal are microlecithal and telolecithal.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reason is false
D. If both assertion and reason are false.

Explanation

To solve the question, we need to analyze both the assertion and the reason provided.

**Step 1: Evaluate the Assertion**
- The assertion states that "Mammalian ova produces hyaluronidase."
- Hyaluronidase is an enzyme that helps in breaking down hyaluronic acid and is important for sperm to penetrate the egg. However, it is produced in the acrosome of sperm, not in the ova (eggs) themselves.
- Therefore, the assertion is **false**.

**Step 2: Evaluate the Reason**
- The reason states that "The eggs of mammals are microlecithal and telolecithal."
- Microlecithal eggs have very little yolk, while telolecithal eggs have a significant amount of yolk concentrated at one end.
- Mammalian eggs are classified as **alecithal**, meaning they contain no yolk. Therefore, the statement that mammalian eggs are microlecithal and telolecithal is also **false**.

**Step 3: Conclusion**
- Since both the assertion and the reason are false, the correct answer is that both the assertion and reason are false.

**Final Answer: Both assertion and reason are false.**

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