This chapter is currently out of syllabus
1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Xylem translocates:
A
Water, mineral salts and some organic nitrogen only
B
Water, mineral salts, some organic nitrogen and hormones
C
Water only
D
Water and mineral salts only
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Stomatal movement is not affected by
A
O2 concentration
B
temperature
C
CO2 concentration.
D
light
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The water potential of pure water is
A
less than zero
B
more than zero but less than one
C
more than one
D
zero
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following facilitates opening of stomatal aperture?
A
Decrease in turgidity of guard cells
B
Radial orientation of cellulose microfibrils in the cell wall of guard cells
C
Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells
D
Contraction of outer wall of guard cells
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