Question

Which bud is responsible for the vertical growth of the stem?

• A. Apical
• B. Terminal
• C. Lateral
• D. Both B and C

Answer 1

The correct option is option (D):

Explanation for the correct option:

1. The tip of the shoot has buds called apical buds or terminal buds.
2. Apical buds promote the vertical growth of plants.
3. Apical buds are also called terminal buds.
4. Apical buds synthesise and secrete auxin which is a growth-promoting phytohormone.

Explanation for incorrect options:

Option (A):

Lateral buds or axillary buds are the buds which develop from the axil between petiole and stem. Lateral buds help in the sideway growth of plants.

Final answer: Apical buds promotes the vertical growth of plants.