Question

Plant length is increased by

• A. Apical meristem
• B. Lateral meristem
• C. Dermatogem
• D. Periblem

Answer 1

The correct option is A

Apical meristem

The correct option is A:

Explanation of the correct option:

1. Apical meristem is responsible for increasing the length of plants.
2. They are present at the tip of the roots and shoots of the plant.
3. They are completely undifferentiated cells and are responsible for primary plant growth.
4. Types of apical meristem tissues are Shoot Apical Meristem (SAM) and Root Apical Meristem (RAM).

Explanation of the incorrect option :

Option B:

Lateral meristem is responsible for the increase in girth of the plant

Option C:

Dermatogem is the outer primary meristem of a plant.

Option D:

Periblem is a meristem that gives rise to the cortex.

Final answer: Plant length is increased by apical meristem.