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
A. 1, 2, 3 correct
B. 1, 2 correct
C. 2, 4 correct
D. 1, 3 correct.