Question

Which of the following plant tissues causes growth in girth of stem and root?

• A. Apical meristem
• B. Intercalary meristem
• C. Lateral meristem
• D. None of the above

Answer 1

The correct option is C

Lateral meristem

The correct option is C.

Explanation of correct option:

1. The lateral meristem is the meristem that is present at the longitudinal axis of the root or stem of the plant and is responsible for increasing the girth of the plant.

Explanation of incorrect option:

Option A:

1. An apical meristem is a meristem that is present at the tip of the root or shoot of the plant and is responsible for increasing the length of the plant at the tip only.

Option B:

1. The intercalary meristem is the meristem that is present in the nodal region of the plant and is responsible for increasing the internodes.

Final answer:

1. Lateral meristem is the plant tissue that causes growth in the girth of the stem and root.