ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

Try The MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

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ECAT Chemistry Chapter 25 Macromolecules

00:00
Question # 1

Which of the following enzymes brings about the hydrolysis of fats?

Question # 2

Which of the following has ester linkage?

Question # 3

A fibre which is made from acrylonitrile as monomer

Question # 4

A polymer may be

Question # 5

The temp. and pressure used for PVC polymerization is

Question # 6

Monosaccharides are

Question # 7

The group linkage present in fats is

Question # 8

Which of the following brings about the conversion of starch into maltose

Question # 9

Molar mass of high molecular w.f. polymers ranges from:

Question # 10

Among the following polymers, the strongest molecular forces are present in

Question # 11

The disaccharide present in milk is

Question # 12

Synthetic polymer prepared from caprolactum is known is

Question # 13

Which of these polymers is a synthetic polymer

Question # 14

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 15

Activity of the enzyme is reduced by

Question # 16

Which one of the following enzymes brings about the hydrolysis of fats

Question # 17

Which teat is not given by both glucose and fructose

Question # 18

The protein which only yield amino acids and their derivatives

Question # 19

Enzymes are chemically

Question # 20

In macromolecules DP stands for

Question # 21

Which of the following elements is not present in all proteins?

Question # 22

DNA has deoxyribose, a base and the third component is

Question # 23

Which functional group is present in glycerol tristearate

Question # 24

Which of the following is a steroid

Question # 25

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 26

Soft drinks and baby feeding bottles are generally made up of

Question # 27

Which is the polymer that has amide linkage in its structure

Question # 28

Which of these polymers is an addition polymer

Question # 29

Polymer formation from monomers starts by

Question # 30

Which of the following is fully fluorinated polymer?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which one of the following statements of glucose and sucrose is incorrect?
A. Both are soluble in water
B. Both are naturally occuring
C. Both are carbohydrates
D. Both are disaccharides
2 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
3 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
4 Which of the following enzymes brings about the hydrolysis of fats?
A. Urease
B. Maltase
C. Zymase
D. Lypase
5 What is the most common catalyst used in hydrogenation of oils
A. Cobalt
B. Nickel
C. Tungsten
D. Copper
6 The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
7 The fiber which is made from acrylonitrile as monomer:
A. PVC
B. Rayon Fiber
C. Acrylic fiber
D. Polyester fiber
8 Iodine value of an oil or fat may be defined as
A. The number of grams of iodine taken up by 1 g of the oil or fat
B. The number of grams of iodine taken by 10 g of the oil or fat
C. The number of grams of iodine taken by 100 g of the oil or fat
D. None of the above
9 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these
10 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6

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