The poison glands of a poisonous snake are modified

Options

A. Buccal glands
B. Salivary glands
C. Palatine glands
D. Lacrimal glands

Answer

**Step-by-Step Solution:**

1. **Identify the Glands Involved**: The question asks about the glands that are modified in poisonous snakes. The primary glands involved are the salivary glands.

2. **Understand the Function of the Glands**: In poisonous snakes, the salivary glands are modified to produce venom. This venom is essential for subduing prey.

3. **Mechanism of Venom Delivery**: When a poisonous snake bites its prey, it uses its fangs to inject the venom. The venom is secreted from the modified salivary glands.

4. **Differentiate Between Glands**: While the salivary glands are modified to produce venom, other glands like the buccal gland and palatine gland serve different functions, such as moistening the prey for easier ingestion.

5. **Conclusion**: The correct answer to the question is that the salivary glands are modified to form the poison glands in poisonous snakes.

**Final Answer**: The poison glands of a poisonous snake are modified salivary glands.

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