1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Heartwood differs from sapwood in –
A
Having dead and non-conducting elements
B
Being susceptible to pests and pathogens
C
Presence of rays and fibres
D
Abscence of vessels and parenchyma
2
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
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The cells lining the blood vessels belongs to the category of :
A
Columnar epithelium
B
Connective tissue
C
Smooth muscle tissue
D
Squamous epithelium
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The main area of variuos types of activites of a cell is –
A
Cytoplasm
B
Plasma membrane
C
Nucleus
D
Mitochondrian
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