Any part of the plant which is introduced to culture medium to grow into full fledged plant or organs in vitro is called

Options

A. Propagule
B. Clone
C. Plantlet
D. Explant

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a term that describes any part of a plant that can be introduced to a culture medium to grow into a full-fledged plant or organ in vitro.

2. **Identifying Key Concepts**:
- In vitro culture refers to the process of growing plant cells, tissues, or organs in a controlled environment outside of the plant.
- The part of the plant that is used for this purpose must have the ability to regenerate and grow into a complete plant.

3. **Exploring Options**:
- **Propagule**: This refers to a part of the plant that can propagate or reproduce. While it is related, it does not specifically refer to the cultured part.
- **Clone**: This term refers to a genetically identical copy of a plant, which does not fit the definition provided in the question.
- **Plantlet**: This term refers to a small plant that has developed from tissue culture but does not refer to the initial part introduced to the culture medium.
- **Explant**: This term refers to the specific part of the plant that is taken and placed in the culture medium for growth. It is the correct term for what the question describes.

4. **Conclusion**: The correct answer to the question is **explant**. An explant is any part of a plant that is introduced to a culture medium to grow into a full-fledged plant or organ in vitro.

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