TRANSPORT IN PLANTS biology MCQ’s questions answers

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TRANSPORT IN PLANTS

Question 71 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
"Osmosis is flow of solution from higher concentration to solution of lower concentration to solution of lower concentration through semi-permeable membrane". Which is incorrect in the statement? ..... [AFMC 1997]
A
Exact concentration of solution is not given
B
Character of semipermeable membrane is not given
C
Flow of solution is not possible through semipermeable membrane
D
All the above
Question 72 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cells absorb water through ..... [AMU 1999]
A
Osmosis only
B
Imbibition only
C
Both osmosis and imbibition
D
None of the above
Question 73 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Ability to rise in thin tubes and ability to resist pulling force are respectively ..... [kerala 2012]
A
Tensile strength and capillarity
B
Cohesion and adhesion
C
Capillarity and tensile strength
D
Adhesion and capillarity
Question 74 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
During absorption of water by roots, the water potential of cell sap is lower than that of ..... [BHU 1994]
A
Pure water and soil solution
B
Neither pure water nor soil solution
C
Pure water but higher than that of soil solution
D
Soil solution but higher than that of pure water
Question 75 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Stomata open by ..... [KCET 2012]
A
Increasing solute concentration in guard cells
B
Weakening of cell walls of guard cell to allow them to stretch
C
Increasing water potential of guard cells
D
Decreasing the solute concentration of guard cells
There are 75 questions to complete.

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