1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is -
A
Maturing
B
Widening
C
Elongating
D
Differentiating
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :
A
Absence of secondary phloem
B
Presence of cortex
C
Position of protoxylem
D
Absence of secondary xylem
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The length of different internodes in a culm of sugarcane is variable because of:
A
shoot apical meristem
B
position of axillary buds
C
size of leaf lamina at the node below each internode
D
intercalary meristem
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Vascular tissues in flowering plants develop from:
A
plerome
B
periblem
C
phellogen
D
dermatogen
NEET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12