Q. Which plant hormone has important role in seed germination?
Solution:
Auxin: This is the best known plant hormone and have many effects on the plant growth.
Gibberellin: These largely effects the shoots of the plants and have little or no effect on the roots.
Cytokinin: It is found at the tissues where rapid growth is taking place like growing fruits, root tips and shoot buds.
Ethylene: It is the only gaseous growth hormone. It is produced by almost all the organs but maximum production occurs in ripening fruits and senescent leaves.
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