Plant Growth and Development Question 84
84. Phytochrome is involved in
[1988]
(a) phototropism
(b) photorespiration
(c) photoperiodism
(d) geotropism
Show Answer
Answer : c
Hints & Solutions
(c) Refer Answer 42. Cytokinins are essential plant hormones. By stimulating cell division, they regulate shoot meristem size, leaf primordia number, and leaf and shoot growth. They can stimulate both the differentiation and the outgrowth of axillary buds. The cytokinins can mediate axillary bud release from apical dominance.
