The system of irrigation where in water is supplied drop by drop near the roots of plants, is called

Options

A. pulley system
B. drip system
C. sprinkler system
D. lever system

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a specific system of irrigation that delivers water drop by drop directly to the roots of plants.

2. **Reviewing the Options**: The options provided include:
- Pulley System
- Drip System
- Sprinkler System
- Lever System

3. **Analyzing Each Option**:
- **Pulley System**: This method involves using a pulley to lift water from a source like a pond or well and distribute it to the fields. It does not provide water drop by drop.
- **Drip System**: This system uses pipes, tubes, and valves to deliver water directly to the roots of plants in a controlled manner, allowing for efficient water use. This matches the description in the question.
- **Sprinkler System**: This system sprays water over the crops like rain, which is not a drop-by-drop method.
- **Lever System**: This is a manual method of pumping water using a lever, which does not deliver water in a drop-by-drop manner.

4. **Choosing the Correct Answer**: Based on the analysis, the correct answer is the **Drip System** as it is specifically designed to supply water drop by drop near the roots of plants.

### Final Answer:
The system of irrigation where water is supplied drop by drop near the roots of plants is called the **Drip System**.

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