Carapace is present on the dorsal surface of

Options

A. Elephant
B. Tortoise
C. python
D. alligator

Answer

To answer the question "Carapace is present on the dorsal surface of which animal: elephant, tortoise, python, or alligator?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Carapace":**
- The carapace refers to a hard shell or exoskeleton that covers the dorsal (upper) surface of certain animals. It serves as a protective structure.

2. **Identify the Animals:**
- The options given are elephant, tortoise, python, and alligator. We need to consider which of these animals has a carapace.

3. **Analyze Each Option:**
- **Elephant:** Elephants do not have a carapace. They have thick skin but no hard shell.
- **Tortoise:** Tortoises have a carapace, which is a hard shell that covers their back. This is a defining characteristic of tortoises and turtles.
- **Python:** Pythons are snakes and do not have a carapace. They have scales but no hard shell.
- **Alligator:** Alligators have tough skin and bony plates called osteoderms, but they do not have a carapace like a tortoise.

4. **Conclusion:**
- The only animal from the options provided that has a carapace on its dorsal surface is the tortoise.

### Final Answer:
The carapace is present on the dorsal surface of the **tortoise**.

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