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The wavelength of light absorbed Pr form of phytochrome is
Mimosa pudica(Sensitive plant) leafs movement due to :
One of the commonly used plant growth hormone in tea plantation is
Abscission of fruits is prevented by
Apical dominance in plant is caused by
Auxin herbicide is
2, 4-D is a herbicide or weedicide (especially kills broad leaved seeds).
What will happen, if terminal bud of a plant is removed ?
When terminal bud of a plant is removed, apical dominance is removed and thus lateral buds will grow
Cut flowers and vegetables can be kept fresh for a long period by which plant hormone?
The names of many organisms are associated with classical studies in some areas of biology.Which of the following does not show such matching ?
Barley seeds are associated with a-amylase bioassay of gibberellins.
Some of the growth regulators affect stomatal opening.Closure of stomata is brought about by:
Abscisic acid is a stress hormone and helps the plant to cope with adverse environmental conditions especially drought. In wilting tomato leaves, abscisic acid brings about the closure of stomata.