TRANSPORT IN PLANTS biology MCQ’s questions answers

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TRANSPORT IN PLANTS

Question 16 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one does not help in ion or molecular transport? ..... [JIPMER 2004]
A
Diffusion
B
Osmosis
C
Surface tension
D
Active transport
Question 17 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Element involved in stomatal regulation, its opening and closing is ..... [AMU 2005]
A
Zinc
B
Magnesium
C
Potassium
D
Iron
Question 18 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Exudation of xylem sap on cutting of a shoot is due to ..... [RPMT 1996]
A
Guttation
B
Root pressure
C
Transpiration
D
None of the above
Question 19 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The process by which water is absorbed by solids like colloids causing them to increase in volume is ..... [kerala 2011]
A
Plasmolysis
B
Diffusion
C
Osmosis
D
Imbibition
Question 20 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following elements is responsible for maintaining turgor in cells? [NEET 2018]
A
Magnesium
B
Sodium
C
Potassium
D
Calcium
There are 20 questions to complete.

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