i. Formation of perennating buds in Lemna. |
ii. Simultaneous flowering in pineapple. |
iii. Bolting in cabbage. |
iv. Apical dominance in Polyalthia. |
A) ii, iv
B) i, iv
C) ii, iii
D) i, ii
Correct Answer: B
Solution :
Auxin is synthesized in shoot apices, leaf primordia etc from amino acid tryptophan and cause apical dominance. NAA and 2,4-D (both auxins) are employed for inducing flowering in litchi and pineapple. Buds evelop when cytokinins are in excess.You need to login to perform this action.
You will be redirected in
3 sec