Question

Read the given statements and select the correct option.
(i) Darwin and Darwin $(1880)$ found that sensation of unilateral illumination was perceived by the coleoptile tip of canary grass.
(ii) $IAA$ is universal natural auxin, discovered by Kogl et al.
(iii) $IBA$ is both natural and synthetic auxin.
(iv) Auxins promote the growth of lateral shoots.

• A. Statements (i) and (ii) are correct
• B. Statements (ii) and (iii) are correct
• C. Statements (i), (ii) and (iii) are correct
• D. Statements (i), (ii), (iii) and (iv) are correct

Answer 1

Answer: (C)

Auxins promote the growth of apical buds and suppress the growth of lateral buds/lateral shoots.