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Online Tests
ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers
Question # 1
What is the most common catalyst used in hydrogenation of oils
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Cobalt
Nickel
Tungsten
Copper
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Question # 2
Which of the following elements is not present in all proteins?
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Carbon
Hydrogen
Nitrogen
Sulphur
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Question # 3
Which functional group is present in glycerol tristearate
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Carboxylic acid
Alcohol
Aldehyde
Ester
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Question # 4
Plastics are a pollution problem because many plastics
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Are made from petroleum
Are very inflammable
Burn to produce toxic fumes
Decompose to produce toxic products
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Question # 5
A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
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Fibre
Plastic
Varnish
Polyamide resin
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Question # 6
The raw material to form nylon is
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Adipic acid
Butadiene
Isoprene
Ethylene
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Question # 7
Peptide bond is a key feature in
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Polysaccharide
Proteins
Nucleotide
Vitamins
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Question # 8
In fructose the possible optical isomers are
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12
8
16
4
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Question # 9
The monomeric units of starch is/are
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Glucose
Fructose
Glucose and fructose
Mannose
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Question # 10
(CH
2
O)
n
is general formula for
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Monosaccharides
Oiligosaccharides
Polysaccharides
None of these
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Question # 11
Oxidation reduction is done by
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Oxidoreductase
Lipases
Lyase
None of these
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Question # 12
The metal present in blood is
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Al
Hg
Cu
Fe
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Question # 13
Purine derivative among the following bases is
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Thymine
Uracil
Guanine
Cytosine
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Question # 14
Simple sugars are :
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Monosaccharides
Disaccharides
Oligo saccharides
Trisaccharides
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Question # 15
The polymers which can be re-softened again and again are caled
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Thermoplastic
Thermosetting
Both a and b
None
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Question # 16
Synthetic polymer prepared from caprolactum is known is
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Nylon 610
Teflon
Terylene
Nylon-6
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Question # 17
A fat or oil is characterised for extent of unsaturation by one of the following number, which one
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Rancidity number
Acid number
Iodine number
Saponicfication number
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Question # 18
In which of these processes are smell organic molecules made into macromolecules?
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The cracking of petroleum fractions
The fractional distillation of crude oil
The polymerization of ethane
The hydrolysis of proteins
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Question # 19
Protein are classified into
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Simple protein
Complex protein
Derived proteins
All of these
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Question # 20
Which of the following is a water soluble vetamin?
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Niacin
Riboflavin
Trypsin
Ascorbic acid
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Question # 21
Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
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Enzyme is a small molecule
Enzyme is acidic in nature
Enzyme is a protein
Enzyme is a lipid
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Question # 22
Polymer formation from monomers starts by
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Condensation reaction between monomers
Coordination reaction between monomers
Conversion of monomer to monomer ions by protons
Hydrolysis of monomers
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Question # 23
Enzymes are catalysts which contain other than carbon and hydrogen one other element
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Oxygen
Sulphur
Phosphorus
Iodine
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Question # 24
Which of the following polymers is used for weather resistant paints
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Arcylic resins
Polyvinyl acetate
Polystyrene
PVC
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Question # 25
Which of these polymers is an addition polymer
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Nylon 6,6
Polystyrene
Terylene
Epoxy resin
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Question # 26
Vegetable oils are
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Unsaturated fatty acids
Glycerides of unsaturated fatty acids
Glycerides of saturated fatty acids
Essential oils obtained from plants
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Question # 27
Cellulose does:
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Satisfy human appetite
Stimulates intestinal peristalsis
Gives fibre and bulk to the food
All of these
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Question # 28
β
-D-glucose is a monomer for
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Strach
Cellulose
Glycogen
Protein
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Question # 29
Copolymer is
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Nylon-6
Nylon 66
PMMA
Polyethene
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Question # 30
At what pH glycine shows the structure H
3N
+
-- CH
2
-- COOH
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2
7
10
14
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Question # 31
The main structure features of proteins is
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An ester linkage
An ether linkage
The peptide linkage
All
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