1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The two gases making highest relative contribution to the green house gases are –
A
CFC5 and N2O
B
CO2 and N2O
C
CO2 and CH4
D
CH4 and N2O
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the folliwng is not a lateral meristem ?
A
Interfascicular cambium
B
Intercalary meristem
C
Intrafascicular cambium
D
Phellogen
3
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
4
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
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