Top 150+ Solved Transport in Plants MCQ Questions Answer
Q. 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 transportp q r s
a. (v) (iii) (i) (iv)
b. (i) (ii) (iii) (v)
c. (v) (ii) (i) (iv)
d. (iii) (v) (ii) (i)
Q. 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
Q. 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.
Q. A .......... force exists between the walls of xylem vessels and water.
a. Cohesion
b. Gravitational
c. Adhesive
d. Transpiration pull
Q. 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
Q. By which type of transpiration largest amount of water is lost ?
a. Guttation
b. Cuticular
c. Stomata
d. Lenticular
Q. The value of osmotic pressure depends on .......... .
a. Concentration of solute
b. Concentration of solvent
c. Concentration of solution
d. Concentration of substrate
Q. If the external solution is more dilute than the cytoplasm is known as .......... .
a. Hypertonic
b. Hypotonic
c. Isotonic
d. ‘a’ and ‘b’ both
Q. Membrane protein is responsible for transport of
a. Water molecule
b. Transpiration of H2O
c. Active transport
d. Passive transport
Q. What happens in this figure ?
a. Exo osmosi
b. Endo osmosis
c. Cell swollen
d. Cell remain in same condition
Q. In older dying leaves to younger leaves the mineral ions are assimilated into .......... .
a. In organic compound
b. Organic compound
Q. In term of fixing CO2, C4 plants are .......... efficient as C3 plants.
a. Thrice
b. Twice
c. Less
d. Not
Q. When a cell is placed in 0.50M concentrated sugar solution, there is no change in it. So the external solution is called .......... .
a. Hypertonic
b. Isotonic
c. Hypotonic
d. Colloidal
Q. The pressure that prevails in cell due to number of substances dissolved in cell sap is .......... .
a. Wall pressure
b. Turgor pressure
c. Osmotic pressure
d. Diffusion pressure