Question

Study the following statements.
I. Increase in girth of plants is primary growth.
II. Increase in girth of plants occurs due to the apical meristem.
III. Secondary growth of plants occurs due to the lateral meristem.
IV. Vascular cambium and cork cambium are the lateral meristems of plants.
V. Elongation of a plant along the axis is called primary growth.
Choose the option containing the incorrect statements.

• A. I and II
• B. III and IV
• C. IV and V
• D. I and V

Answer 1

Answer: (A)

Statements I and II are incorrect and can be corrected as
$\bullet$ Elongation of plant along the axis is called the primary growth.
$\bullet$ Primary growth happens due to the presence of root apical meristem and shoot apical meristem. Rest of the statements, i.e. statements III, IV and V are correct.