This chapter is currently out of syllabus
1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Stomata of a plant open due to
A
influx of potassium ions
B
efflux of potassium ions
C
influx of hydrogen ions
D
influx of calcium ions.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Main functional of lenticel is
A
transpiration
B
guttation
C
gaseous exchange
D
bleeding.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Opening and closing of stomata is due to the
A
hormonal change in guard cells
B
change in turgor pressure of guard cells
C
gaseous exchange
D
respiration.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Loading of phloem is related to
A
increase of sugar in phloem cell
B
elongation of phloem cell
C
separation of phloem parenchyma
D
strengthening of phloem fiber.
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