1.

A plant hormone which allows the seeds to ignore environmental conditions and germinate is(a) abscisic acid(b) ethylene(c) cytokinin(d) gibberellins

Answer»

Answer is : (d) gibberellins

Gibberellins break the dormancy of seeds due to environmental conditions and promote germination. Seed dormancy sets in the seeds to overcome the unfavourable conditions for seedling and germination.



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