Top 150+ Solved Transport in Plants MCQ Questions Answer
Q. A higher plant cell covered with cutin and suberin is placed in water, after 15 minutes, the cell (BHU 1993)
a. Will be killed
b. Size will increase
c. Size will remain unchanged
d. Size will decrease
Q. Plant cell kept in hypertonic solution will get (MPPMT 1994)
a. Lysed
b. Turgid
c. Deplasmolysed
d. Plasmoysed
Q. The movement of free atoms from higher concentration to lower concentration is called. (RPMT 1995)
a. Osmosi
b. Diffusion
c. Endosmosis
d. Exosmosis
Q. Cotton fibres dipped in water absorb water through (RPMT 1996)
a. Endosmosi
b. Exosmosis
c. Capillarity
d. Imbibition
Q. With rise in turgidity, wall pressure will (CBSE 1997)
a. Decrease
b. Increase
c. Fluctuate
d. Remain unchanged
Q. Root pressur is due to (MPPMT 1993, Har. PMT 2003, Orissa 2011)
a. Active absorption
b. Passive absorption
c. Increased transpiration
d. Increased photosynthesis
Q. Rate of transpiration is highest when (JKCMEE 2000)
a. Soil is wet and air is dry
b. Soil is wet and air is hunid
c. Soil is dry and air is humid
d. Both soil and air are dry.
Q. Stomata of CAM plants (CBSE 2003)
a. Are always open
b. Open during the day and close at might
c. Open during night and close during the day
d. Nerve open
Q. Choose the correct combination of labelling in potato osmoscope. (Manipal PMT 2004)
a. a-final level, b-dot pin, c-initial level, d-sugar solution, e-potato tuber
b. a-initial level, b-dot pin, c-final level, d-water, e-potato tuber
c. a-final level, b-dot pin, c-initial level, d-water, e-potato tuber
d. a-final level, b-dot pin, c-initial level, d- water, e-container
Q. Stomata open during day time due to (Wardha 2005)
a. Decrease in pH
b. Decrease in weater potential
c. Increase in water potential
d. Light
Q. In tall trees water is absorbed due to (Manipal 2005, Guj. CET 2011)
a. Transpiration
b. Root pressure
c. Capillary action
d. Photosynthesis
Q. Which one is responsible for opening of stomata ? (Guj. CET 2006)
a. Decrease in CO2 concentration and increse in H+ ion concentration.
b. Decrease in CO2 cone and decrease in H+ ion concentration.
c. Increase in CO2 cone and increase in H+ ion cone.
d. More free H+ ions and less Cl- ions.
Q. Cell wall shows (Manipur 2007)
a. Semi permeability
b. Differential permeability
c. Complete permeability
d. Impermeability
Q. Starch of guard cells is converted into PEP through. (Guj. CET 2008)
a. Hydrolysi
b. Oxidation
c. Dephosphorylation
d. Decarboxylation