Advertisements
Advertisements
Question
Fill in the Blank
A plasmolysed cell has __________ protoplast.
Advertisements
Solution
A plasmolysed cell has Shrunken protoplast.
APPEARS IN
RELATED QUESTIONS
Explain how soaked seeds swell up and burst their seed coats.
Define the term:
Plasmolysis
Distinguish between the following:
Plasmolysis and deplasmolysis
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 plant cell kept in a drop of water was examined under the low power magnification of a microscope, as shown:
(i) What would you do to bring this cell back to its original condition?
(ii) What scientific term is used for such condition?
(iii) Draw the same cell if it is kept in a strong sugar solution.
The beaker is divided into two chambers A and B. The big circle represents solute and the small circles solvent.
(i) What can you say about the size of the holes in the membrane, if it is to behave semi- permeably between these two?
(ii) Will the solvent molecules pass through the membrane from left to right, from right to left, in either direction or in both directions?
(iii) In which direction will there be a net movement of solvent molecules?
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
Explain the term:
Diffusion
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
