Endosperm is hard and cellulosic in

Options

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

Answer

To answer the question "Endosperm is hard and cellulosic in," we will analyze the options provided and determine which plant has a hard and cellulosic endosperm.

### Step-by-Step Solution:

1. **Understanding Endosperm**:
- The endosperm is a tissue produced in the seeds of flowering plants. It serves as a food reserve for the developing embryo, providing essential nutrients for its growth.

2. **Analyzing the Options**:
- We need to evaluate the endosperm characteristics in the given options: date palm, coconut, ricinus, and ivory palm.

3. **Option 1: Date Palm**:
- The endosperm in date palms is known to be pulpy and soft, which does not fit the description of being hard and cellulosic.

4. **Option 2: Coconut**:
- In coconuts, the endosperm is described as being slightly hard but not fully hard and cellulosic. It is more of a mix of hard and soft.

5. **Option 3: Ricinus (Castor Bean)**:
- The endosperm in ricinus is soft and does not possess the hard and cellulosic characteristics.

6. **Option 4: Ivory Palm**:
- The endosperm in ivory palm is specifically noted to be very hard and cellulosic, making it the correct choice.

7. **Conclusion**:
- After evaluating all options, the correct answer is that the endosperm is hard and cellulosic in the **ivory palm**.

### Final Answer:
The endosperm is hard and cellulosic in the **ivory palm**.