1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following biomolecules does have a phosphodiester bond?
A
Amino acids in a polypeptide
B
Nucleic acids in a nucleotide
C
Fatty acids in a diglyceride
D
Monosaccharides in a polysaccharide
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
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.
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
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)
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
The function of the gap junction is to -
A
facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.
B
separate two cells from ach other
C
stop substance from leaking across a tissue
D
performing cementing to keep neighbouring cells together