Advertisements
Advertisements
Question
Define the cohesive force.
Advertisements
Solution
The intermolecular force of attraction between two molecules of the same material is called the cohesive force.
Example: The force of attraction between two water molecules.
RELATED QUESTIONS
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
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.
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
Differentiate between the following
Endosmosis and Exosmosis
Multiple Choice Question:
In the process of osmosis in a cell:
Multiple Choice Question:
Osmosis involves:
Multiple Choice Question:
Plasma membrane controls:
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
