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Biology Class 11 Chapter 2 - Biological Molecules - Part 9
1.
_______________ the oxygen carrying protein of red blood cells exhibits quaternary structure of protein.
a) Haemoglobin
b) Proteins
c) Phospholipid
d) Heridity
2.
In tertiary structure of protein polypeptide chain bends and fold upon itself forming a _____________ shape.
a) Microbe
b) Spherical
c) Globular
d) Nucleotide
3.
Fibrous protein are ____________ in aqueous media.
a) Haemoglobin
b) Chromosones
c) Insoluble
d) Isoprenoid units
4.
Grobular proteins are ____________ or ellipsoidal due to multiple folding of polypeptide chain.
a) Primary
b) Two
c) Proteins
d) Spherical
5.
___________ are of two types deoxyribonucleic acid or DNA and ribonucleic acid or RNA.
a) Nucleoside
b) Spherical
c) Nucleotide
d) Nucleic acid
6.
___________ is made of three sub units, a 5 carbon monosaccharide (a pentose sugar), a nitrogen base and a phosphoric acid.
a) Nucleoside
b) Nucleotide
c) Nucleic acid
d) Spherical
7.
The compound formed by combination of a base and a pentose sugar is called ____________.
a) Nucleic acid
b) Insoluble
c) Nucleotide
d) Nucleoside
8.
DNA is the ___________ material.
a) Heridity
b) Haemoglobin
c) Microbe
d) Cellular
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