Question

Q4. a) You are provided with three mixtures -milk, salt solution and soil
in water. Arrange them in decreasing order of stability.
b) Rahul is having two mixtures- one is of copper sulphate in water and the other is so
solution. He made a fine beam of light to enter both the mixtures separately.
i) in which case will the path of light be visible?
ii) Name and define the process involved.
BIOLOGY (7 marks)
Q1. a) Name the process involved in movement of following substances
in and out of the cell.
i) Water ii) carbon dioxide
b) Raman while studying about the cell structure came to know that besides nucleus​

Answer 1

Answer:

decreasing order-

milk

salt sol.

soil in water

b)i)the other solution

ii)tyndall effect

1)a.i.osmosis

ii.diffusion

Explanation: