The imbibition in seeds takes
The imbibition in seeds takes place during seed germinationbecause of
The imbibition in seeds takes place during seed germinationbecause of
| the loss of water due to the high water potential of theseed. |
| the loss of water due to the low water potential of the dryseed. |
| the uptake of water due to the low water potential of the dryseed. |
| the uptake of water due to the high water potential of the dryseed. |
Answer:
Answer: The uptake of water due to low water potential of thedry seed.
Explanation:
IMBIBITION:
The process of absorption of water by hydrophilic solidparticles of a substance without forming a solution is calledimbibition. It is a special type of diffusion, as water moves alongits concentration gradient. Therefore, the water absorbed by solidsubstances or colloids results in an enormous increase in theirvolume.
Such solid substances which take part in imbibition are calledimbibants.
Examples: seeds, dry wood
The water which is imbibed is known as imbibed. Two conditionsare necessary for the individual to occur: water potential gradientbetween the surface of absorbent and the liquid imbibed, affinitybetween the absorbent.
Imbibition plays an important role in the seeds, rupturing ofthe seed coat. The emergence of seedlings is due to high imbibitionpressure developed by the seed kernel.
SEED GERMINATION:
The germination of seeds depends on the physical process calledimbibition. It is the uptake of water due to low water potential onthe dry seed.
Imbibition of water causes the seed to expand and rupturing ofits seed coat.
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