Poison glands of snake are modified

Options

A. linguals
B. sublinguals
C. maxillaries
D. parotoids

Answer

To answer the question "Poison glands of snake are modified," we need to identify the type of gland that the poison glands in snakes are derived from. Here’s a step-by-step solution:

### Step 1: Understand the Types of Salivary Glands
- There are three major pairs of salivary glands in mammals:
1. **Parotid glands** - the largest salivary glands located near the jaw.
2. **Submandibular glands** - located below the jaw.
3. **Sublingual glands** - located beneath the tongue.

### Step 2: Identify the Function of Salivary Glands
- Salivary glands produce saliva, which is important for digestion. In snakes, these glands also play a role in the secretion of venom.

### Step 3: Understand the Nature of Poison Glands in Snakes
- The poison glands in snakes are specialized glands that produce venom. This venom is used for hunting and defense.

### Step 4: Determine the Origin of Poison Glands
- The poison glands in snakes are actually modified salivary glands. This means they are derived from one of the types of salivary glands.

### Step 5: Identify the Specific Type of Modified Gland
- Among the types of salivary glands, the poison glands in snakes are specifically modified **parotid glands**. This means that the venom produced is essentially modified saliva.

### Conclusion
- Therefore, the correct answer to the question is that the poison glands of snakes are modified **parotid glands**.

### Final Answer
- The poison glands of snakes are modified **parotid glands**.

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