Abscisic acid (ABA), phenolic acid and para-ascorbic acid are inhibitory substances that cause seed dormancy.
Effect of inhibitory substance can be removed by application of certain chemicals like gibberellic acid and nitrates.
| Pair of skeletal parts | Category | |
|---|---|---|
| (a)$\,\,$ | Sternum and ribs$\,\,$ | Axial skeleton |
| (b)$\,\,$ | Clavicle and glenoid cavity$\,\,$ | Pelvic girdle |
| (c)$\,\,$ | Flumerus and ulna$\,\,$ | Appendicular skeleton |
| (d)$\,\,$ | Malleus and stapes$\,\,$ | Ear ossicles |
Which hormone promotes internode/petiole elongation in deep water rice?
In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as
Spraying of which of the following phytohormone on juvenile conifers helps hastening the maturity period, the leads early seed production?