1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The chief water conducting elements of xylem in gymnosperms are :
A
Fibres
B
Transfusion tissue
C
Vessels
D
Tracheids
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Palisade parenchyma is absent in leaves of -
A
Mustard
B
Sorghum
C
Soybean
D
Gram
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
In barley stem vascular bundles are -
A
Closed and scattered
B
Closed and radial
C
Open and in a ring
D
Open and scattered
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is -
A
Maturing
B
Widening
C
Elongating
D
Differentiating
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