This chapter is currently out of syllabus
1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In land plants, the guard cells differ from other epidermal cells in having
A
cytoskeleton
B
mitochondria
C
endoplasmic reticulum
D
chloroplasts
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified? AIPMT 2010 Mains Biology - Transport in Plants Question 15 English
A
A $$ \to $$ Epidermal Cell , B $$ \to $$ Subsidiary cell, C $$ \to $$ Stomatal aperture, D $$ \to $$ Guard cell
B
A $$ \to $$ Subsidiary cell, B $$ \to $$ Epidermal Cell , C $$ \to $$ Guard cell, D $$ \to $$ Stomatal aperture
C
A $$ \to $$ Guard cell, B $$ \to $$ Stomatal aperture, C $$ \to $$ Subsidiary cell, D $$ \to $$ Epidermal Cell
D
A $$ \to $$ Epidermal Cell , B $$ \to $$ Guard cell, C $$ \to $$ Stomatal aperture, D $$ \to $$ Subsidiary cell
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Guard cells help in
A
transpiration
B
guttation
C
fighting against infection
D
protection against grazing
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of
A
weak gravitational pull
B
transpiration pull
C
lignified thick walls
D
cohesion and adhesion.
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