1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The Air Prevention and control of pollution Act came into force in :
A
1985
B
1981
C
1990
D
1975
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Lenticels are involved in
A
Food transport
B
Photosynthesis
C
Transpiration
D
Gaseous exchange
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Age of a tree can be estimated by :
A
Diameter of its heartwood
B
Number of annual rings
C
Its height and girth
D
Biomass
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Interfascicular cambium develops from the cells of :
A
Endodermis
B
Pericycle
C
Medullary rays
D
Xylem parenchyma
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Medical
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