Movement of auxin is
both (a) and (c)
Geocarpic fruits are produced by
Which of the following prevents fall of fruits?
Which one of the folowing pairs, is not correctly matched?
Abscisic acid --- Stomatal closure
Gibberellic acid ---- Leaf fall
Cytokinin --- Cell division
IAA --- Cell wall elongation
Treatment of seed at low temperature under moist conditions to break its dormancy is called
Removal of apical bud results in
formation of new apical bud
elongation of main stem
death of plant
formation of lateral branching
Movement of leaves of sensitive plant, Mimosa pudica is due to
The response of different organisms to environmental rhythms of light and darkness is called
Glycolate induces opening of stomato in
presence of oxygen
low CO2 conc.
high CO2 conc.
absence of CO2
Which of the following hormones can replace vernalization?