Why are non-albuminous (exalbuminous) seeds so called ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Seed Structure**: Seeds consist of two main parts: the developing embryo and the endosperm. The endosperm serves as a nutritive tissue that provides essential nutrients to the developing embryo.

2. **Types of Seeds**: Seeds can be classified based on the presence or absence of endosperm after fertilization. There are two types:
- **Albuminous Seeds**: These seeds contain a significant amount of endosperm that is not fully utilized by the embryo.
- **Exalbuminous (Non-albuminous) Seeds**: These seeds do not have any remaining endosperm because it has been completely consumed by the developing embryo during its growth.

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