What is Osmosis?

Question:

What is Osmosis?

Answer:

The movement of water molecules from a region of higher concentration to a region of lower concentration by permeable membrane is called osmosis. The Osmotic speed of water depends on the dissolved substances.

Chapter 5 NCERT Class 9 Science SOLUTIONS

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Chapter 5 NCERT Class 9 Science SOLUTIONS

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More NCERT Questions

Which type of cell division is required for growth and repair of body and which type is involved in formation of gametes?

Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water.

Compare the plant cell and animal cell.

How does amoeba get its food?

Where do the lipids and proteins constituting the cell membrane get synthesised?

Which organelle is known as the power house of the cell? Why?

What would happen if the plasma membrane ruptures or breaks down?

What would happen if the plasma membrane ruptures or breaks down?

How is a eukaryotic cell is differ from prokaryotic cells?

Where are proteins synthesised inside the cell?

Why are lysosomes known as suicide bags?

If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?

Can you name the two organelles we have studied that contain their own genetic material?

How do substances like CO2 and water move in and out of the cell? Discuss Why is the plasma membrane called a selectively permeable membrane?

Why is the cell called the structural and functional unit of life?

Who discovered cells, and how?

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