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Biology Class 11 Chapter 2 - Biological Molecules - Part 8
1.
Fats and oils are lighter than _______________ and have a specific gravity of about 0.8.
a) Herbivores
b) Carbon
c) Straight
d) Water
2.
_____________ are derivative of phosphatidic acid.
a) Amylopectin
b) Hydrolysis
c) Phospholipid
d) Ribofuranose
3.
Terpenoids are group of compounds which are made up of simple repeating units ______________.
a) Isoprenoid units
b) Amino acid
c) 141
d) Primary
4.
Most abundant organic compound to be found in the cells are ________________.
a) Proteins
b) Haemoglobin
c) Nucleic acid
d) Heridity
5.
Proteins are polymers of ________________.
a) Heridity
b) Amino acid
c) Nucleic acid
d) Microbe
6.
A dipeptide has _____________ amino acid.
a) Four
b) Three
c) Two
d) One
7.
The _____________ structure of protein comprises the number and sequence of amino acid in a protein molecule.
a) Primary
b) Proteins
c) Spherical
d) Phospholipid
8.
Each alpha chain of hemoglobin contains ____________ amino acid.
a) 141
b) 142
c) 139
d) 140
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