Find out the false statement.

Options

A. Birds are warm blooded, egg leying and have four-chambered heart
B. Birds have feather covered body, forelimbs are modified as wings
C. Most of the mammals are oviparous
D. Fishes, amphibians and reptiles are oviparous

Explanation

To find out the false statement among the given options, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Analyze Statement A**:
- "Birds are warm-blooded, egg-laying and have four-chambered heart."
- Birds are indeed warm-blooded (endothermic), they lay eggs, and they possess a four-chambered heart.
- **Conclusion**: This statement is true.

2. **Analyze Statement B**:
- "Birds have feather-covered body for limbs and modified as wings."
- Birds do have a body covered in feathers, and their forelimbs are modified into wings for flight.
- **Conclusion**: This statement is true.

3. **Analyze Statement C**:
- "Most of the mammals are oviparous."
- Most mammals are viviparous, meaning they give birth to live young rather than laying eggs. The only notable exceptions are monotremes like the platypus and echidna, which are oviparous.
- **Conclusion**: This statement is false.

4. **Analyze Statement D**:
- "Fishes, amphibians and reptiles are oviparous."
- Generally, fishes, amphibians, and reptiles do lay eggs, making this statement true for the majority of these groups.
- **Conclusion**: This statement is true.

### Final Conclusion:
The false statement among the options is **C**: "Most of the mammals are oviparous."

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