Advertisements
Advertisements
Question
Give Reasons for the following.
The raisins swell up in the water.
Advertisements
Solution
The raisins are dry grapes. When these are kept in water, it enters into the raisins by osmosis (endosmosis) and raisins swell up.
APPEARS IN
RELATED QUESTIONS
Give two examples of turgor movements in plants.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A&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 had somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the firmness and increase in the size of the potato cubes placed in water.
Define the following:
Hypertonic solution
Distinguish between the following:
Plasmolysis and deplasmolysis
Name the following:
Two solutions having same concentrations.
Name the following:
The pressure through which water can rise upto some feet.
Fill in the Blanks
Diffusion is the movement of molecules from a region of their ________ concentration to the region of their ________ concentration.
Explain the Term: Exosmosis
Define the following term:
Tonicity
