1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Secondary xylem and phloem in dicot stem are produced by
A
vascular cambium
B
axillary meristems
C
apical meristems
D
phellogen
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the wrong statement in context of heartwood :
A
It is highly durable.
B
It comprises dead elements with highly lignified walls
C
It conducts water and minerals efficiently
D
Organic compounds are deposited in it
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Root hairs develop from the region of :
A
Meristematic activity
B
Root cap
C
Maturation
D
Elongation
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The vascular cambium normally gives rise to :
A
Primary phloem
B
Secondary xylem
C
Periderm
D
Phelloderm

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