Plant Growth an...

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.

Artificial application of auxins like IAA, IBA, and NAA to unpollinated pistils can form

Functions of auxins include

Which of the following statements regarding gibberellins is incorrect?

The term 'antiauxin' refers to _________________.

Spraying sugarcane with gibberellins increases the yield  by as much as 20 tonnes per acre. GA performs it by

The fruits can be left on the tree longer using GA so as to extend the market period. This is due to which function of GA?

Bolting, i.e., internode elongation lust prior to flowering in beet, cabbage, and many rosette plants, is promoted by

Which phytohormone would you use if you are asked to 'bolt' a rosette plant?

Which of the following physiological effects is caused in plants by gibberellic acid?