One hormone hastens the maturity period in juvenile conifers,a second hormone controls xylem differentiation,while the third increases the tolerance of plants to various stresses. They are respectively:
- AGibberellin,Auxin,Cytokinin
- BAuxin,Gibberellin,Cytokinin
- CGibberellin,Auxin,$ABA$
- DAuxin,Gibberellin,$ABA$
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Bending of stem towards light is known as:
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View SolutionBoth ethylene and $ABA$ are responsible for
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$I.$ Cytokinins especially help in delaying senescence.
$II.$ Auxins are involved in regulating apical dominance.
$III.$ Ethylene is especially useful in enhancing seed germination.
$IV.$ Gibberellins are responsible for immature falling of leaves.
$I.$ Cytokinins especially help in delaying senescence.
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$IV.$ Gibberellins are responsible for immature falling of leaves.
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