Advertisements
Advertisements
Question
Explain how soaked seeds swell up and burst their seed coats.
Advertisements
Solution
When soaked in water, the seeds swell up due to imbibition and endosmosis. During these two processes water enters the cell. Due to endosmosis, at some point, the seed coat is unable to bear the turgor pressure and hence, the seed coat bursts.
RELATED QUESTIONS
The most appropriate characteristic of a semipermeable membrane is that
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Choose the correct answer:
Cell turgidity is caused by _______________
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:

Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Name the following:
The pressure through which water can rise upto some feet.
Name the following:
Name the process by which water enters the root hair cell.
During a practical exam, a plant cell in a particular solution was placed under a compound microscope. Students were told to observe the cell and name the tonicity of the solution and mention the process that occurred in the cell.

