Genetically dwarf plants can be induced to grow tall by using
Options
(a) gibberellins (b) phycobillins (c) auxins (d) cytokinins
Correct Answer:
gibberellins
Explanation:
No explanation available. Be the first to write the […]
Leaf abscission, fruit fall, bud dormacy occurs by which phytohormone?
Options
(a) auxin (b) cytokinin (c) gibberellin (d) abscisic acid
Correct Answer:
abscisic acid
Explanation:
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Growth movements, in response to light are called
Options
(a) photolysis (b) photoperiodism (c) phototropism (d) photosynthesis
Correct Answer:
phototropism
Explanation:
Thigmotropism is a directional curvature movement of growth which is produced in response […]
Which of the following induces cell division in a cell
Options
(a) cytokinin (b) gibberellin (c) abscisic acid (d) indole acetic acid
Correct Answer:
cytokinin
Explanation:
No explanation available. Be the first to […]
Which of the following plant hormones reduces transpiration rate by inducing stomatal closure?
Options
(a) ABA (b) cytokinin (c) ethylene (d) gibberellin
Correct Answer:
ABA
Explanation:
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Which hormone protects growth of lateral buds?
Options
(a) auxin (b) gibberellin (c) cytokinin (d) ABA
Correct Answer:
cytokinin
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following is a gaseous plant growth regulator?
Options
(a) kinetin (b) GA (c) ethylene (d) ABA
Correct Answer:
ethylene
Explanation:
No explanation available. Be the first to write the explanation […]
When the movement of plant or plant body is governed by external stimulus. It is known as
Options
(a) paratonic movement (b) autonomic movement (c) nastic movement (d) none of the above
Correct […]
The potent weed killer is
Options
(a) gibberellin (b) 2, 4-D (c) abscisic acid (d) ethylene
Correct Answer:
2, 4-D
Explanation:
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Cytokinins stimulate the cell for
Options
(a) turgor (b) elongation (c) cell division (d) wall thickening
Correct Answer:
cell division
Explanation:
No explanation available. Be the first to write the explanation for this […]
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