Guttational drop comprises

Options

A. Simple water
B. Water and various salts dissolved in it
C. Water and inorganic salts
D. Water and organic salts.

Answer

### Step-by-Step Solution:

1. **Understanding Guttation**: Guttation refers to the process of water loss in the form of droplets from the edges or tips of plant leaves. This typically occurs during the night or early morning when the humidity is high and transpiration is low.

2. **Identifying Guttational Drops**: The water that is lost through guttation is not just pure water; it often contains various dissolved substances. These droplets are produced by specialized structures in the plant known as hydathodes.

3. **Composition of Guttational Drops**: Guttational drops primarily consist of water, but they also contain dissolved salts. These salts can be both inorganic (like potassium, calcium, and magnesium) and organic (like sugars and amino acids).

4. **Evaluating the Options**:
- **Option A: Simple water** - This is incorrect because guttational drops contain more than just water.
- **Option B: Water and various salts dissolved in it** - This is correct as it accurately describes the composition of guttational drops.
- **Option C: Water and inorganic salts** - This is incorrect because it does not account for the organic salts present.
- **Option D: Water and organic salts** - This is also incorrect as it overlooks the inorganic salts.

5. **Conclusion**: The correct answer is **Option B: Water and various salts dissolved in it**.