1. _________ of the total cell mass is formed by ions.
a) 1%
b) 2%
c) 3%
d) 4%
Explanation: 1% of the total cell mass is formed by ions.
2. Monomeric unit of cellulose is
a) Glucose
b) Fructose
c) Mannose
d) Ribose
Explanation: Monomeric unit of cellulose is Glucose
3. Monomeric unit of inulin is
a) Glucose
b) Fructose
c) Mannose
d) Ribose
Explanation: Monomeric unit of inulin is Fructose
4. Which of the following is homopolysaccharide?
a) Cellulose
b) Inulin
c) Starch
d) All of these
Explanation: All of these
5. Starch forms helical _________ structure that can hold _________ molecule and gives blue
colour.
a) primary,\[I_{2}\]
b) secondary,\[I_{2}\]
c) tertiary,\[I_{2}\]
d) quaternary, \[I_{2}\]
Explanation: Starch forms helical secondary structure that can hold \[I_{2}\] molecule and gives blue colour.
6. Select the incorrect statement from the following:
a) Cellulose does not contain complex helices.
b) Cellulose does not give colour with \[I_{2}\].
c) Cotton fibre, plant cell wall are made up of cellulose.
d) Cellulose is heteropolysaccharide
Explanation: "Cellulose is heteropolysaccharide". This is incorrect.
7. Which of the following is amino-sugar?
a) Glucosamine
b) Galactosamine
c) Both (a) and (b)
d) None of these
Explanation: Both (a) and (b)
8. Chitin is a
a) Homopolysaccharide
b) Heteropolysaccharide
c) Oligosaccharide
d) Monosaccharide
Explanation: Chitin is a Heteropolysaccharide.
9. Chitin is present in
a) Exoskeleton of arthropods
b) Cell wall of fungus
c) Setae of earthworm
d) All of these
Explanation: All of these
10. In glycogen, which kind of linkage is found between adjacent glucose molecule?
a) 1,4
b) 1,6
c) both
d) 1,2
Explanation: Both