1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
''Good ozone'' is found in the :
A
Troposphere
B
Ionosphere
C
Stratosphere
D
Mesosphere
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Some vascular bundles are described as open because these :
A
are capable of producing secondary xylem and phloem
B
are not surrounded by pericycle
C
possess conjunctive tissue between xylem and phloem
D
are surrounded by pericycle but no endodermis
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Function of companion cells is :
A
Providing water to phloem
B
Loading of sucrose into sieve elements
C
Loading of sucrose into sieve elements by passive transport
D
Providing energy to sieve elements for active transport
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The cells lining the blood vessels belongs to the category of :
A
Squamous epithelium
B
Columnar epithelium
C
Connective tissue
D
Smooth muscle tissue
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