Advertisements
Advertisements
प्रश्न
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Advertisements
उत्तर
Due to the presence of cuticle, which does not allow water molecules to pass through it.
APPEARS IN
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).
Osmosis and diffusion are the same except that osmosis there is:
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Distinguish between the following:
Filtration and diffusion
Distinguish between the following:
Turgor pressure and osmotic pressure
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Choose the correct answer:
Cell turgidity is caused by _______________
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:
Account for the softness and decrease in size of the potato cubes which were placed in sugar solution.
Give Reasons for the following.
We gargle with saline water in case of throat infection.
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
