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Online Tests
ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers
Question # 1
Which of the following brings about the conversion of starch into maltose
Choose an answer
Maltase
Zymase
Diatase
Invertase
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Question # 2
The fiber which is made from acrylonitrile as monomer:
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PVC
Rayon Fiber
Acrylic fiber
Polyester fiber
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Question # 3
The fibre which is made form acrylonitrile as monomer
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PVC
Rayon fibre
Acrylic fibre
Polyester fibre
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Question # 4
Purine derivative among the following bases is
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Thymine
Uracil
Guanine
Cytosine
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Question # 5
When a nitrogeneous base combine with a sugar it is called
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Ribose
Nucleotides
Nucleoside
None
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Question # 6
Which of the following is not an example of addition polymer?
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Polyethene
Polystyrene
Neoprene
Terylene
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Question # 7
The reagent which forms crystalline osazone derivative when treated with glucose is
Choose an answer
Fehling solution
Phenyl hydrazine
Benedict solution
Hydroxyl amine
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Question # 8
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 # 9
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 # 10
A fibre which is made from acrylonitrile as monomer
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PVC
Rayon fibre
Acrylic fibre
Polyester fibre
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Question # 11
On hydrolysis of starch, we finally get
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Glucose
Fructose
Both
Sucrose
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Question # 12
The clotting time of blood is increased due to the deficiency of
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Vitamin A
Vitamin K
Vitamin D
Vitamin C
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Question # 13
Which of the following has magnesium?
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Carbonic anhydrase
Haemocyanin
chlorophyll
Vitamin B
12
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Question # 14
The protein which only yield amino acids and their derivatives
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Simple proteins
Complex proteins
Derived protein
All of these
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Question # 15
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 # 16
Which is the derived lipid?
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Common fats
Vitamin-D
Common oils
Spinolipids
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Question # 17
Naturally occurring lipids are called
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Fats
protein
Steroids
None
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Question # 18
Nylon, 6,6 is a condensation polymer of
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Adipic acid and glycol
Phthalic acid and glycol
Adipic acid and hexaethylene diamine
Pthalic acid and hexaethylene diamine
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Question # 19
Which is not an enzyme
Choose an answer
Transverses
Lipase
Lyase
None of these
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Question # 20
Which of these polymers is an addition polymer?
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Nylon-6,6
Polystrene
Terylene
Epoxy resin
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Question # 21
Which of the following enzymes brings about the hydrolysis of fats?
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Urease
Maltase
Zymase
Lypase
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Question # 22
The high molecular weight materials which yield on hydrolysis the amino acids is called:
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Carbohydrates
Lipids
Fatty acids
Proteins
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Question # 23
Vitamin A is present in
Choose an answer
Liver
Milk
Green vegetables
All
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Question # 24
Which of the following is not a synthetic polymer?
Choose an answer
Polyethylene
PVC
Nylon
Cellophane
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Question # 25
Which teat is not given by both glucose and fructose
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Give yellow ppt of CHl
3
with alkaline aqueous iodine
With 2, 4-DNPH give yellow ppt of hydrazone
Evolve H
2
gas with Na metal
Oxidised with [Ag(NH
3
)
2
]
+
i.e. Tollen's reagent
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Question # 26
Which one is a polymer compound?
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SO
2
CO
2
CH
4
PVC
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Question # 27
Which one of the following is the most abundant organic substance found in nature
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Fructose
Starch
Glucose
Cellulose
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Question # 28
Monosaccharides are
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Aldoses
Ketoses
Either a and b
None of these
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Question # 29
Plastics are pollution problem because many plastics:
Choose an answer
Are made from petroleleum
Are very inflammable
Burn to produce toxic funes
Decompose to produce toxic products
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Question # 30
Two vitamins absorbed from intestine along with fats are
Choose an answer
A, D
A, B
A, C
D, B
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Question # 31
Which of the following elements is not present in all proteins?
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Carbon
Hydrogen
Nitrogen
Sulphur
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