Which of the following pairs of animals has non-glandular skin?

Options

A. Snake and Frog
B. Chameleon and Turtle
C. Frog and Pigeon
D. Crocodile and Tiger

Answer

To determine which pair of animals has non-glandular skin, we need to understand what non-glandular skin means and analyze the options provided.

### Step-by-Step Solution:

1. **Understanding Non-Glandular Skin**:
- Non-glandular skin refers to skin that lacks glands, such as sweat glands. This type of skin is typically found in certain reptiles and some other animals.

2. **Analyzing the Options**:
- **Option 1: Snake and Frog**:
- Snakes have non-glandular skin (scales), but frogs have glandular skin (moist skin with mucous glands).
- **Option 2: Chameleon and Turtle**:
- Both chameleons and turtles are reptiles. They have non-glandular skin covered with scales.
- **Option 3: Frog and Pigeon**:
- Frogs have glandular skin, and pigeons (birds) also have glandular skin (feathers).
- **Option 4: Crocodile and Tiger**:
- Crocodiles have non-glandular skin (scales), but tigers (mammals) have glandular skin (fur).

3. **Identifying the Correct Pair**:
- From the analysis, the only pair that consists of animals with non-glandular skin is **Chameleon and Turtle** (Option 2).

### Conclusion:
The correct answer is **Chameleon and Turtle** as they both possess non-glandular skin.

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