Advertisements
Advertisements
प्रश्न
Multiple Choice Question:
In the process of osmosis in a cell:
विकल्प
Both protoplasm and cell wall act as a membrane
Only cell wall acts as a membrane
Only outermost layer of protoplast acts as a membrane
The entire protoplast acts as a membrane
Advertisements
उत्तर
The entire protoplast acts as a membrane
APPEARS IN
संबंधित प्रश्न
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Distinguish between the following:
Hypotonic and Hypertonic solutions
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
