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Online Tests
ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers
Question # 1
A fat or oil is characterised for extent of unsaturation by one of the following number, which one
Choose an answer
Rancidity number
Acid number
Iodine number
Saponicfication number
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Question # 2
A nucleoside may be
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Ribonuleoside
Deoxyribonucleoside
Both a and b
None
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Question # 3
Two vitamins absorbed from intestine along with fats are
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A, D
A, B
A, C
D, B
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Question # 4
Polyester resins have special use in:
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Clothing
Paints
Emulsion
Floor covering
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Question # 5
Which of the following is not present in RNA?
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Uracil
Thymine
Ribose
Phosphate
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Question # 6
Major food factors are:
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Fats and oils
Carbohydrates
Protiens
All of these
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Question # 7
In fructose the possible optical isomers are
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12
8
16
4
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Question # 8
Terylene is madeby polymerization of terephthalic acid with
Choose an answer
Ethylene glycol
Phenol
Ethanol
Catechol
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Question # 9
Natural rubber is a polymer of
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Butadiene
Ethyne
Styrene
Isoprene
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Question # 10
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 # 11
Poly hydroxyl compounds of aldehyde and ketones are:
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Carbohydrates
Proteins
Fats
Lipids
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Question # 12
Peptide bond is a key feature in
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Polysaccharide
Proteins
Nucleotide
Vitamins
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Question # 13
Which of the following is fully fluorinated polymer?
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Neoprene
Teflon
Thiokol
PVC
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Question # 14
Which of the following is obtained by condensation polymerization?
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Polyethene
Teflon
Phenol formaldehyde resin
Nitrile rubber
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Question # 15
The other name of cross linked polymers is
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Linear polymer
Branched polymer
Inter connected polymers
None of these
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Question # 16
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 # 17
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 # 18
A polymer may be
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Homopolemer
Co-polymer
Terpolymer
All of these
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Question # 19
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 # 20
Oxidation reduction is done by
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Oxidoreductase
Lipases
Lyase
None of these
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Question # 21
Glycogen is stored in
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Animals
Plants
Soil
None of these
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Question # 22
Monosaccharides belong to the group
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Lipids
Fats
Proteins
Carbohydrates
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Question # 23
Synthetic polymer prepared from caprolactum is known is
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Nylon 610
Teflon
Terylene
Nylon-6
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Question # 24
How is the secondary structure of protein stabilized
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Through hydrogen bonding
Through ionic bonding
Through van der wall forces
Through covalent bonding
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Question # 25
The development of disagreeable odur in fats or oil is called
Choose an answer
Fragrance
Perfume
Rancidity
Smell
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Question # 26
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 # 27
The metal present in blood is
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Al
Hg
Cu
Fe
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Question # 28
Sterols, vitamin D and terpenese belong to
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Simple lipids
Complex lipids
Derived lipids
None
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Question # 29
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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Question # 30
Molar mass of high molecular w.f. polymers ranges from:
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1000 to 10000
10000 to 100000
100000 to 1000000
1000 to 100000000
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Question # 31
Which is the polymer that has amide linkage in its structure
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PVC
Poly ethene
Polyester
Nylon
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