1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
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
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Interfascicular cambium develops from the cells of :
A
Endodermis
B
Pericycle
C
Medullary rays
D
Xylem parenchyma
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
As compared to a dicot root, a monocot root has
A
More abundant secondary xylem
B
Relatively thicker periderm
C
Many xylem bundles
D
Inconspicuous annual rings
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Gymnosperms are also called soft wood spermatophytes because they lack
A
Cambium
B
Thick - walled tracheids
C
Phloem fibres
D
Xylem fibres
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