Which of the following is/are called as farmers friend?

Options

A. Earthworm
B. Rats
C. Snake
D. Both (1) and(3)

Explanation

To determine which of the following is/are called a farmer's friend, let's analyze each option step by step:

1. **Identify the Options**: The options given are:
- Earthworm
- Rat
- Snake
- Both Earthworm and Snake

2. **Evaluate Earthworm**:
- Earthworms are known for their role in soil health. They aerate the soil and break down organic matter, which helps in fertilizing the soil. This process improves soil structure and promotes plant growth.
- Conclusion: Earthworms are considered a farmer's friend.

3. **Evaluate Rat**:
- Rats are generally considered pests in agricultural settings. They consume crops and can cause significant damage to fields. Therefore, they are not beneficial to farmers.
- Conclusion: Rats are not a farmer's friend.

4. **Evaluate Snake**:
- Snakes play a crucial role in controlling the population of rodents, including rats, which can destroy crops. By keeping the rat population in check, snakes help protect the farmers' produce.
- Conclusion: Snakes are considered a farmer's friend.

5. **Evaluate Both Earthworm and Snake**:
- Since both earthworms and snakes contribute positively to farming—earthworms by enriching the soil and snakes by controlling pests—this option is also valid.
- Conclusion: Both earthworms and snakes are farmer's friends.

6. **Final Answer**: The correct answer is that both earthworms and snakes are referred to as farmers' friends.