1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The chitinous exoskeleton of arthropods is formed by the polymerisation of
A
N - acetyl glucosamine
B
lipoglycans
C
keratin sulphate and chondrotin sulphate
D
D - glucosamine.
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Arrange the following events of meiosis in correct sequence
(i)  Crossing over
(ii)  Synapsis
(iii)  Terminalisation of chiasmata
(iv)  Disappearance of nucleolus
A
(i), (ii), (iii), (iv)
B
(ii), (iii), (iv), (i)
C
(ii), (i), (iv), (iii)
D
(ii), (i), (iii), (iv)
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Root pressure develops due to
A
passive absorption
B
active absorption
C
increase in transpiration
D
low osmotic potential in soil.
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A column of water within xylem vessels of tall trees does not break under its weight because of
A
lignification of xylem vessels
B
positive root pressure
C
dissolved sugars in water
D
tensile strength of water.
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12