Question

Vegetative propagation by _________ occurs in sweet potato.

• A. root
• B. stem
• C. leaf
• D. none of these

Answer 1

The correct option is A

root

The correct option is A.

Explanation of the correct option:

1. Vegetative propagation is a type of asexual reproduction that occurs in plants
2. In vegetative propagation, reproduction occurs through the vegetative part, which includes roots, leaves, stems, and other vegetative parts of plants.
3. Vegetative propagation can be done from a single plant or its parts for propagation artificially or naturally.
4. The parts of the plant through which vegetative propagation occurs are known as vegetative parts.
5. Vegetative parts are leaves, roots, and stems.
6. These parts are not directly involved in sexual reproduction and do not produce any spores or reproductive structures.
7. In sweet potatoes, vegetative reproduction takes place by roots.
8. The roots produce shoots or buds.
9. These buds can grow into a new plant.

Explanation of the incorrect options:

Option B:

1. Stems that grow horizontally on the ground are called runners.
2. Runners are the horizontal stem-like structures that will be touching the soil with leaves on it arising from the stem.
3. Example: Cyanodon.

Option C:

1. In this type, the new plants grow from the buds that grow on the margins of leaves.
2. Example: Bryophyllum.

Final answer: Vegetative propagation by root occurs in sweet potato.