Osmosis in Selectively Permeable Membrane
Trending Questions
Define Osmosis. What are the different types of osmosis? Give examples. [5 MARKS]
Set up an experiment to demonstrate osmosis.
What will happen to onion peel cells when you put few drops of concentrated salt solution on the prepared slide of onion peel? Give reason.
- diffusion
- filtration
- osmosis
- active transport
- Solute particles from lower concentration to higher concentration through a semi-permeable membrane.
- Solvent particles from higher water potential to lower water potential through a semi-permeable membrane
- Solute particles from higher concentration to lower concentration through a semipermeable membrane
- Solvent particles from lower water potential to higher water potential
What are the conditions for osmosis?
Is osmosis high to low or low to high?
What is the difference between endosmosis and exosmosis ?
- True
- False
Differentiate between flaccid and turgid conditions.
Explain the process of osmosis through an example
The egg shell is made up of ____________.
Osmosis is the process by which water moves from an area of low solute concentration to high solute concentration across a
- True
- False
- Plants
- Paramecium and Amoeba
- Bacteria and Amoeba
- Paramecium and bacteria
Question 58
In brief state what happens when
(a) Dry apricots are left for sometime in pure water and later transferred to sugar solution?
(b) A Red Blood Cell is kept in concentrated saline solution?
(c) The Plasma-membrane of a cell breaks down?
(d) Rheo leaves are boiled in water first and then a drop of sugar syrup is put on it?
(e) Golgi apparatus is removed from the cell?
Q1) why do nerve cells have a typical elongated shape?
Q2) what effects the movement of water across the plasma membrane ?
The rise of a liquid in a capillary tube is due to
Diffusion
Surface tension
Atmospheric conditions
Osmosis
1. How does osmosis helps in food preservation?
2. Plants mostly have dead cells on their body surface. On the other hand, most animals have living cells on their surface. Why?
What do you mean by the regulation of osmotic pressure and how is it done?
Question 6
Which among the following defines osmosis the best?
(a) Movement of water molecules from a region of higher concentration to a region of lower solute concentration through a semipermeable membrane
(b) Movement of solvent molecules from its higher concentration to a lower concentration
(c) Movement of solvent molecules from a higher concentration to a lower concentration of solution through a permeable membrane
(d) Movement of solute molecules from a lower concentration to a higher concentration of a solution through a semipermeable membrane
Explain why much salt is added to pickles?
- Transport of solute from higher concentration to lower concentration.
- It requires energy
- It needs a semipermeable membrane and is a movement process primarily for water
- All of the above
Name the following.
The inward movement of solvent molecules, through the semipermeable membrane of the cell by the process of osmosis.
Why is osmosis important for living beings?
give an example to prove that egg shell is a semi permiable membrane?
How do substances like CO₂ and water move in and out of the cell? Discuss.
Q7. While cooking any vegetable, when we put some salt, the vegetable releases water.
What mechanism is responsible for this? Explain briefly.
What is osmosis ?
