Means of Transport

Q. Membrane proteins are responsible for

1. passive transport
2. active transport
3. transport of water
4. all of these

Q. $\text{Assertion(A):}$ Monoglycerides are always absorbed directly into blood by an ATP dependent process.
$\text{Reason(R):}$ Monoglycerides are lipid soluble biomolecules.

1. (A) is true but (R) is false
2. (A) is false but (R) is true
3. Both (A) & (R) are true and (R) is the correct explanation of (A)
4. Both (A) & (R) are true but (R) is not the correct explanation of (A)

Q. Read the following statements carefully and state the number of correct statements.
I. Cells have about 70-90% water
II. Animal cells have higher water content as compared to plant cells
III. 10% of the water absorbed is used for photosynthesis
IV. Cell membrane is permeable to water
V. Bound water molecules move about as freely as free water molecules

1. 4
2. 3
3. 2
4. 1

Q. The movement of a single molecule across a membrane by carrier protein is called

1. symport
2. uniport
3. antiport
4. all of these

Q. Label the type of transport.

1. Antiport
2. Symport
3. Uniport

Q.

Rewrite the correct statement by changing the underlined words of statement.

Free movement of solutes in and out of the cell takes place across the cell membrane.