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Chemistry Class 10 Chapter 13 - Biochemistry - 1
1.
Chemical reactions in which the reactants form the products and the products inturn form the reactants are called as?
a) exothermic
b) irreversible
c) endothermic
d) reversible
2.
Which one of the following is the most abundant class of organic compounds?
a) Carbohydrates
b) Lipids
c) Proteins
d) None of these
3.
cx (h
2
o)y is the general formula of?
a) Alcohols
b) Lipids
c) Carbohydrates
d) Proteins
4.
plants form the carbohydrates through the process of?
a) Circulation
b) Photosynthesis
c) Respiration
d) Excretion
5.
which one of the following is not a carbohydrate?
a) Glucose
b) Starch
c) Keratin
d) Cellulose
6.
which one of the following is not a class of carbohydrates?
a) Waxes
b) Monosacharides
c) Oligosacharides
d) Polysacharides
7.
which one of the following is a class of simplest carbohydrates?
a) Polysacharides
b) Disacharides
c) Monosacharides
d) Oligosacharides
8.
the number of carbon atoms in monosacharides is?
a) 10 to 13
b) 1 to 3
c) 6 to 10
d) 3 to 6
9.
(ch
2
o)n is the general formula of?
a) Oligosacharides
b) Disacharides
c) Polysacharides
d) Monosacharides
10.
which one of the following is a monosacharide?
a) Tetrose
b) All of these
c) Triose
d) Pentose
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