Advertisements
Advertisements
प्रश्न
The following diagram represents a plant cell after being placed in a strong sugar solution.
Guidelines 1 to 5 indicate the following
(1)Cell wall, (2) Strong sugar solution, (3) Protoplasm (4) Large vacuole, (5) Nucleus
(1)What is the state of the cell shown in the cell shown in the diagram?
(2)Name the structure which acts as a selectively permeable membrane.
(3)If the cell had been placed in distilled water instead of strong sugar solution, which feature would not have been seen?
(4)Name any one feature of this plant cell which is not present in an animal cell.
Advertisements
उत्तर
(1)The cell is flaccid i.e. it is plasmolyse
(2)Plasma Membrane
(3)Plasmolysis would not occur and flaccidity would not be seen i.e. the protoplasm would not have shrunken away from the cell wall
(4)Cell Wall is absent in animal cell.
संबंधित प्रश्न
Differentiate between the following on the basis of what is indicated in the bracket.
Hypotonic solution and Hypertonic solution (condition of a plant cell when placed in them).
Differentiate between the following:
Plasmolysis and deplasmolysis
Explain how soaked seeds swell up and burst their seed coats.
Distinguish between the following:
Filtration and diffusion
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Name and define the physical process being investigated in this experiment.
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:
Comment on the nature (tonicity) of the liquid surrounding the cell.
Give Reasons for the following.
The raisins swell up in the water.
Multiple Choice Question:
Plasma membrane controls:
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
