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Biology Class 11 Chapter 2
Biological Molecules
Test 14
1.
Chapter 2 - Biochemistry is the branch of ?
a) Maths
b) Physics
c) Chemistry
d) Biology
2.
Which of the following deals with the study of chemical components in the living organisms?
a) Biochemistry
b) Ecology
c) Theromochemistry
d) Chemistry
3.
A basic knowledge of _________ is essential for understanding anatomy and physiology?
a) Biochemistry
b) Physics
c) Maths
d) Chemistry
4.
Chemical compounds are generally classified as?
a) Both
b) In-organic
c) Organic
d) None of these
5.
Composition of water in mammalian cell is?
a) 90%
b) 80 %
c) 70%
d) 60%
6.
Total composition of proteins in mammalian cell is?
a) 15%
b) 5%
c) 18%
d) 10%
7.
All chemical reactions taking place within a cell are collectively called?
a) Catabolism
b) Anabolism
c) Photosynthesis
d) Metabolism
8.
Reactions in which simpler substances are combined to form complex substances are called?
a) Catabolism
b) Respiration
c) Metabolism
d) Anabolism
9.
Anabolic reactions need?
a) Energy
b) Temperature
c) Air
d) Climate
10.
Break down of complex substances into simpler ones is called?
a) Catabolism
b) Photosynthesis
c) Anabolism
d) Metabolism
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