Question

Select the odd one out

a)Plasma membranes contain chitin sugar in plants
b)The movement of water across a semi permeable membrane is affected by the amount of substances dissolved in it.
c)Molecules soluble in organic solvents can easily pass through the membrane.
d)Membranes are made of organic molecules like proteins and lipids

Answer 1

Answer:

a)plasma membranes contain chitin sugar in plants

Answer 2

Answer:

(a)

Explanation:

If look at the options:

b)The movement of water across a semi permeable membrane is affected by the amount of substances dissolved in it. already defines Osmosis- which is the net movement of water molecules from a region of higher concentration to a region of lower concentration through a semi permeable membrane.

c)Molecules soluble in organic solvents can easily pass through the membrane.

d)Membranes are made of organic molecules like proteins and lipids.

In the above 3 points they all talk about molecules, leaving option (a)

"Plasma membranes contain chitin sugar in plants"

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