An ovule with well developed nucellus is called as

Options

A. Crassinucellate
B. Tenuinucellate
C. Pseudonucellate
D. Anucellate

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe an ovule that has a well-developed nucellus.

2. **Defining Nucellus**: The nucellus is the central part of the ovule that contains the embryo sac and provides nourishment to the developing embryo. It is crucial for the growth and development of the embryo.

3. **Identifying the Correct Term**:
- The term for an ovule with a well-developed nucellus is "Crassinucleate."
- Other terms mentioned in the video transcript include:
- **Teninucleate**: This refers to an ovule with a thin or single layer of nucellus, which is not well-developed.
- **Pseudonucleate**: This refers to a false or semi-nucleus, which is also not applicable here.
- **Anucleate**: This means that there is no nucellus present at all.

4. **Conclusion**: Based on the definitions and characteristics of the terms, the correct answer to the question is "Crassinucleate."

**Final Answer**: An ovule with a well-developed nucellus is called "Crassinucleate."

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