1
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
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Cytoskeleton is made up of :
A
Cellulose microfibrils
B
Proteinaceous filaments
C
Calcium carbonate granules
D
Callose deposits
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Middle lamella is composed mainly of :
A
Calcium pectate
B
Phosphoglycerides
C
Muramic acid
D
Hemicellulose
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -
A
vertebrae
B
tip of the nose
C
ear ossicles
D
nails