Question

Girth of stem increases due to :

• A. Apical meristem
• B. Lateral meristem
• C. Vertical meristem
• D. Intercalary meristem

Answer 1

The correct option is B

Lateral meristem

The correct option is B

Explanation of correct option:

1. The girth of the stem increases due to lateral meristem tissues.
2. The lateral meristem includes cambium which is responsible for the secondary growth of the plant.

Explanation of incorrect option:

Option A

1. The apical meristem is responsible for the primary growth of the plants, for example, elongation and increased height.
2. Apical meristem is located at the growing tip of the stems.

Option C

Vertical meristems play important role in the vertical growth of plants.

Option D

1. Intercalary meristem is present at the base of the leaf and internode.
2. It can produce an increase in the length of an organ.

Final answer: Girth of stem increases due to lateral meristem.