Which one of the following is oviparous ?

Options

A. Platypus
B. Flying fox (Bat)
C. Elephant
D. Whale

Explanation

To determine which of the given animals is oviparous, we can follow these steps:

### Step 1: Understand the term "oviparous"
- Oviparous refers to animals that lay eggs, with embryos developing outside the mother's body.

### Step 2: Analyze the options
- The options provided are:
1. Platypus
2. Flying fox (a type of bat)
3. Elephant
4. Whale

### Step 3: Identify the reproductive methods of each option
- **Platypus**: This is a unique mammal that lays eggs, making it oviparous.
- **Flying fox (bat)**: Bats are mammals that give birth to live young, making them viviparous.
- **Elephant**: Elephants are also viviparous mammals that give birth to live young.
- **Whale**: Whales, like elephants, are viviparous and give birth to live young.

### Step 4: Conclude the answer
- Among the options, the only oviparous animal is the **Platypus**.

### Final Answer:
The correct answer is **A. Platypus**.

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