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Online Tests
ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers
Question # 1
The product of addition polymerization reaction is
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PVC
Nylon
Terylene
Polyamide
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Question # 2
Which of the following is fully fluorinated polymer?
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Neoprene
Teflon
Thiokol
PVC
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Question # 3
Which of the following is a biodegradable polymer?
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Cellulose
Polyethene
Polyvinyl chloride
Nylon-6
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Question # 4
When a nitrogeneous base combine with a sugar it is called
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Ribose
Nucleotides
Nucleoside
None
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Question # 5
Naturally occurring lipids are called
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Fats
protein
Steroids
None
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Question # 6
Ricket is caused due to the deficiency of vitamin
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A
D
B
E
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Question # 7
Which of the following is not present in RNA?
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Uracil
Thymine
Ribose
Phosphate
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Question # 8
Which of the following is not an example of addition polymer?
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Polyethene
Polystyrene
Neoprene
Terylene
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Question # 9
Among the following polymers, the strongest molecular forces are present in
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Elastomers
Fibres
Thermoplactics
Thermosetting polymers
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Question # 10
Which of the following statements is incorrect about vitamins
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Often function as coenzymes
Molecules contain at least one ring structure
Are often synthesized by the body
Are polyfunctional compounds
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Question # 11
The development of disagreeable odur in fats or oil is called
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Fragrance
Perfume
Rancidity
Smell
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Question # 12
DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide
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Phosphate group
Deoxy ribose sugar
Uracil base
Adenine base
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Question # 13
Which of these polymers is an addition polymer
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Nylon 6,6
Polystyrene
Terylene
Epoxy resin
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Question # 14
The stroids of fungi and yeast and yeast are called:
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Vitamin D
Vitamin D
2
Ergostrol
Cholestrol
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Question # 15
Which one of the following statements of glucose and sucrose is incorrect?
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Both are soluble in water
Both are naturally occuring
Both are carbohydrates
Both are disaccharides
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Question # 16
The group linkage present in fats is
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Peptide linkage
Ester linkage
Glycosidic linkage
None of these
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Question # 17
The temp. and pressure used for PVC polymerization is
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10°C and 10 atm
20°C and 20 atm
52°C and 9 atm
100°C and 10 atm
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Question # 18
Vitamin A is present in
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Liver
Milk
Green vegetables
All
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Question # 19
One of the followings is not type of polymer
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Homopolymer
Copolymer
Heteropolymer
Terpolymer
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Question # 20
Violet colour is obtained when dilute CuSO
4
is added in alkaline solution of protein. This test is known as
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Biuret
Xanthoproteic test
Hopkins-cole
All of these
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Question # 21
Major food factors are:
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Fats and oils
Carbohydrates
Protiens
All of these
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Question # 22
C
6
H
12
O
6
is molecualr formula of:
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Glucose
Dextrose
Fructose
All of these
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Question # 23
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 # 24
Monosaccharides and oligosacchradies are generally called as
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Crystals
Sugars
Liquids
Non-sugars
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Question # 25
Which one of the following is a water soluble vitamin
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Niacin
Riboflavin
Tyrosine
Ascorbic acid
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Question # 26
Simple sugars are :
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Monosaccharides
Disaccharides
Oligo saccharides
Trisaccharides
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Question # 27
What is the most common catalyst used in hydrogenation of oils
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Cobalt
Nickel
Tungsten
Copper
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Question # 28
Which of the following enzymes brings about the hydrolysis of fats?
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Urease
Maltase
Zymase
Lypase
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Question # 29
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 # 30
Ascorbic acid is a chemical name of
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Vitamin D
Vitamin A
Vitamin C
Vitamin B
6
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