1.  

Match A and B :

                   A                                            B

(p) Simple diffusion                         (i) Uphill transport

(q) Faciliate diffusion                      (ii) Membrane protein that have a hydrophilic moiety.

(r) Active transport                         (iii) Membrane protein that have a hydrophabic moiety.

(s) Water potential.                        (iv) The potential energy.

                                                      (v) Passive transport

A. (v) (iii) (i) (iv)

B. (i) (ii) (iii) (v)

C. (v) (ii) (i) (iv)

D. (iii) (v) (ii) (i)

Answer : Option C

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2.  The pressure at which the entry of water across the semipermiable membrane stops is called ....

A. Turgor pressur

B. Root pressure

C. Osmotic pressure

D. Diffusion pressure

Answer : Option C

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3.  

What happens in this figure ?

A. Water from beaker will enter the thistle funnel

B. Water from thistle funnel will enter in the beaker.

C. Nacl enter from beaker to thistle funnel.

D. Osmosis does not occur.

Answer : Option D

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4.  A .......... force exists between the walls of xylem vessels and water

A. Cohesion

B. Gravitational

C. Adhesive

D. Transpiration pull

Answer : Option C

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5.  The process by which water is forcibly pushed beyond endodermis of root is known as ......... .

A. Apoplast pathway

B. Symplast pathway

C. Diffusion

D. Transmembrane transport

Answer : Option D

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6.  By which type of transpiration largest amount of water is lost ?

A. Guttation

B. Cuticular

C. Stomata

D. Lenticular

Answer : Option C

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7.  The value of osmotic pressure depends on .......... .

A. Concentration of solute

B. Concentration of solvent

C. Concentration of solution

D. Concentration of substrate

Answer : Option C

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8.  If the external solution is more dilute than the cytoplasm is known as .......... .

A. Hypertonic

B. Hypotonic

C. Isotonic

D. ‘a’ and ‘b’ both

Answer : Option B

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9.  Membrane protein is responsible for transport of

A. Water molecule

B. Transpiration\(ofH_2O\)

C. Active transport

D. Passive transport

Answer : Option C

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10.  In older dying leaves to younger leaves the mineral ions are assimilated into .......... .

A. In organic compound

B. Organic compound

C. Deposition of Inorganic compound and organic compound.

D. None of the above

Answer : Option B

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