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ICSE Class 9 Answered

Why seeds cannot germinate without water?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Seeds need water for germination because:

(i) If seed will not absorb water, seed coat will not rupture and the radicle will not come out.
(ii) Water is necessary for chemical reactions and for enzymes to act on the food stored in the cotyledons or endosperm, so that it can convert into a diffusible form, which is easily dissolved and utilized by the growing embryo.

Answered by | 04 Jun, 2014, 03:23: PM
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