Loss of water in the form of liquid droplets near the tip of grass blades is called

Options

A. Transpiration
B. Cohesion
C. Guttation
D. Evaporation

Answer

To solve the question "Loss of water in the form of liquid droplets near the tip of grass blades is called," we will analyze the options provided and determine the correct answer step by step.

### Step 1: Understand the Question
The question is asking about a specific phenomenon related to water loss in plants, particularly in grass blades. We need to identify the correct term that describes this process.

### Step 2: Analyze the Options
The options given are:
1. Transpiration
2. Cohesion
3. Guttation
4. Evaporation

### Step 3: Define Each Term
- **Transpiration**: This is the process by which water vapor is lost from the plant, primarily through small openings in the leaves called stomata. It involves the evaporation of water from the plant into the atmosphere.

- **Cohesion**: This refers to the attraction between molecules of the same substance. In the context of water, it describes how water molecules stick together but is not directly related to the loss of water from plants.

- **Guttation**: This is the process where water is exuded from the tips or edges of leaves in the form of liquid droplets. It occurs when root pressure pushes water up through the plant, and it is often seen in certain vascular plants, including grasses.

- **Evaporation**: This is the process of converting liquid water into vapor, which is similar to transpiration but does not specifically refer to the loss of water from plant surfaces.

### Step 4: Identify the Correct Answer
Based on the definitions:
- Guttation specifically refers to the loss of water in the form of liquid droplets at the tips of leaves, which matches the description given in the question.

### Conclusion
The correct answer to the question is **Guttation**.

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