Advertisements
Advertisements
Question
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.

Options
Isotonic, Endosmosis
Hypotonic, Active Transport
Hypertonic, Endosmosis
Hypertonic, Exosmosis
Advertisements
Solution
Hypertonic, Exosmosis
APPEARS IN
RELATED QUESTIONS
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The shrinkage of protoplasm, when a cell is kept in hypotonic solution.
The diagram given below represents an experimental set-up to demonstrate a certain process. Study the same and answer the questions that follow:
- Name the process.
- Define the above-named process.
- What would you observe in the experimental set-up after an hour or so?
- What control experiment can be set up for comparison?
- Keeping in mind the root hair, cell and its surroundings, name the parts that correspond to
- concentrated sugar solution
- parchment paper
- water in the beaker
- Name any other material that can be used instead of parchment paper in the above experiment.
- Mention two advantages of the process for the plants.
Choose the correct answer:
Osmosis involves diffusion of ___________
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.
It is necessary to maintain a normal osmotic concentration of the blood.
The diagram below represents an experimental set up to demonstrate a vital process. Study the same and then answer the questions that follow:
(i) Name the process.
(ii) Define the above named process.
(iii) What would you observe in the experimental setup after an hour or so?
(iv) What control experiment can be set up for the above experiment?
(v) Keeping in mind the root hair cell and its surrounding name the part that corresponds to (1) Concentrated sugar solution, (2) Parchment paper, (3) Water in the beaker.
(vi) Name any other substance that can be used instead of parchment paper in the above experiment.
(vii) Mention two advantages of this process to the plant.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Fill in the Blank
A plasmolysed cell has __________ protoplast.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Multiple Choice Question:
Osmosis involves:
