Answer:
(a) The
hormone, gibberellin
(i)Produce the
phenomenon of bolting, i.e., the growth of the inter nodal region of stem in
rosette plants.
Induces seed
germination and break bud and seed dormancy.
(b) The rice
seedling/plant show excessive growth in their inter nodal region when get infected
with fungus Gibberella fujikuroi. This fungus produces excessive amount of plant
hormone GA which makes plants taller than the normal plant foolishly and many result
into death of the plant.
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