Maximum transpiration occurs in

Options

A. Algal cells
B. Xerophytic plants
C. Hydriophytic plants
D. Mesophytic plants

Answer

### Step-by-Step Solution:

1. **Understanding Transpiration**: Transpiration is the process by which water vapor is lost from the aerial parts of plants, primarily through small openings called stomata. It plays a crucial role in water and nutrient transport within the plant.

2. **Analyzing the Options**:
- **Algal Cells**: These are aquatic organisms that do not transpire in the same way terrestrial plants do. They absorb water directly from their environment.
- **Xerophytic Plants**: These plants are adapted to dry environments and have mechanisms to minimize water loss. Thus, they do not exhibit maximum transpiration.
- **Hydrophytic Plants**: These plants thrive in water-saturated environments. Since they are surrounded by water, transpiration is minimal as they do not need to lose water for nutrient uptake.
- **Mesophytic Plants**: These plants grow in moderate environments with adequate moisture. They have well-developed stomata and can effectively transpire, facilitating water and nutrient transport.

3. **Identifying the Correct Answer**:
- Given that xerophytic and hydrophytic plants are adapted to their respective environments to minimize transpiration, the mesophytic plants are the ones that experience maximum transpiration. They are equipped to lose water through transpiration while maintaining necessary hydration for growth.

4. **Conclusion**: The correct answer to the question "Maximum transpiration occurs in" is **mesophytic plants**.