Advertisements
Advertisements
प्रश्न
Name the following:
Name the process by which water enters the root hair cell.
Advertisements
उत्तर
Osmosis
APPEARS IN
संबंधित प्रश्न
A candidate in order to study the process of osmosis has taken 3 potato cubes and put them in 3 different beakers containing 3 different solutions. After 24 hours, in the first beaker the potato cube increased in size, in the second beaker the potato cube decreased in size and in the third beaker there was no change in the size of the potato cube. The following diagram shows the result of the same experiment:

(i) Give the technical terms of the solutions used in beakers, 1, 2 and 3.
(ii) In beaker 3, the size of the potato cube remains the same. Explain the reason in brief.
(iii) Write the specific feature of the cell sap of root hairs which helps in absorption of water.
(iv) What is osmosis?
(v) How does a cell wall and a cell membrane differ in their permeability?
The most appropriate characteristic of a semipermeable membrane is that
Explain why:
We gargle with saline solution in case of throat infection.
Choose the correct answer:
Cell turgidity is caused by _______________
Name the following:
The movement of a liquid through a selectively permeable membrane.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The plasma membrane permits the passage of all solutes and water.
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Define the following term:
Osmotic Pressure
