Endosperm is hard and cellulosic in

Options

A. Date palm
B. Coconut
C. Ricinus
D. Ivory palm

Answer

### Step-by-Step Solution:

1. **Understanding Endosperm**:
- The endosperm is a tissue produced in the seeds of flowering plants, which provides nourishment to the developing embryo. It plays a crucial role in seed development.

2. **Analyzing the Options**:
- The question presents four options regarding the nature of endosperm in different plants:
1. Date Palm
2. Coconut
3. Resinous
4. Ivory Palm

3. **Evaluating Each Option**:
- **Date Palm**: The endosperm is pulpy and soft, not hard or cellulosic.
- **Coconut**: The endosperm is a mix of hard and soft, with liquid endosperm present, but not purely hard and cellulosic.
- **Resinous**: The endosperm is soft, which again does not fit the criteria of being hard and cellulosic.
- **Ivory Palm**: The endosperm is hard and cellulosic. This type of endosperm is utilized to make various products like buttons, umbrella handles, and billiard balls.

4. **Conclusion**:
- Based on the analysis, the correct answer is the **Ivory Palm**, as it is the only option where the endosperm is both hard and cellulosic.

### Final Answer:
The endosperm is hard and cellulosic in **Ivory Palm**.

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