Plant Growth and Development Question 30
30. Which one of the following pairs, is not correctly matched?
[2007]
(a) Gibberellic acid - Leaf fall
(b) Cytokinin - Cell wall elongation
(c) IAA - Cell wall elongation
(d) Abscissic acid - Stomatal closure.
Show Answer
Answer : a
Hints & Solutions
(a) Gibberllic acid stimulates cell growth of leaves and stem causing their expansion, elongation respectively and leaf fall is controlled by ABA.
