Plant Growth an...

Find the correct statements.
1. Causal organism of foolish seedling disease is source of gibberellin
2. Ascorbic acid is growth promoter
3. Ratio of auxin to cytokinin controls differentiation
4. Bolting of cabbage can be induced by treatment with IAA

Which one is derivative of a carotenoid?

6-furfuryl amino purine, 2, 4-dichlorophenoxy acetic acid and indole 3-acetic acid are

Auxin develops at the tip of the stem. Its movement is largely

Natural plant hormone isolated from corn kernels and coconut milk is

One of the commonly used plant growth hormone in tea plantation is

Natural hormone isolated from coconut milk and corn kernels is

Find the correct combination.
(A) DCMU...........Herbicide...........Inhibitor of non-cyclic electron transport
(B) PMA..........Fungicide...............Reduces transpiration
(C) Colchicine...........Alkaloid..............Causes male sterility
(D) Solnite-Sodium alginate..........Encapsulation of somatic embryos.

Discovery of gibberellin is related to

Rosette habit of cabbage can be changed by the application of