Seed of Castor is

Options

A. Non-endospermic exalbuminous
B. Endospermic ablbuminous
C. Endospermic exalbuminous
D. Non-endospermic ablbuminous

Answer

**Step-by-Step Solution:**

1. **Understanding Seed Types**:
- Seeds can be classified as endospermic or non-endospermic based on the presence of endosperm at maturity.
- Endospermic seeds retain some endosperm after embryo development, while non-endospermic seeds completely utilize the endosperm.

2. **Definitions**:
- **Endospermic Seed**: A seed that has some portion of the endosperm remaining after the embryo has developed. This type of seed is also referred to as albuminous.
- **Non-Endospermic Seed**: A seed that has completely utilized the endosperm during embryo development, leaving no endosperm. This type is also known as exalbuminous.

3. **Analyzing the Options**:
- The options given are:
- A) Non-endospermic exalbuminous
- B) Endospermic albuminous
- C) Endospermic exalbuminous
- D) Non-endospermic albuminous

4. **Identifying the Correct Type for Castor Seed**:
- The seed of Castor (Ricinus communis) retains some endosperm after the embryo has developed, indicating that it is an endospermic seed.
- Since it retains some endosperm, it is classified as albuminous.

5. **Conclusion**:
- Therefore, the correct answer is **B) Endospermic albuminous**.

---