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

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Question # 1

Which teat is not given by both glucose and fructose

Question # 2

Activity of the enzyme is reduced by

Question # 3

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

Question # 4

The substance upon which an enzyme acts is known as its

Question # 5

Enzymes are chemically

Question # 6

A nucleoside may be

Question # 7

On hydrolysis of starch, we finally get

Question # 8

Factors affecting denaturation of proteins:

Question # 9

The polymers which can be re-softened again and again are caled

Question # 10

Which carbohydrates is an essential constituent of plant cells?

Question # 11

Which of the following polymers is used for weather resistant paints

Question # 12

Which of the following is fully fluorinated polymer?

Question # 13

Which is not an enzyme

Question # 14

A fibre which is made from acrylonitrile as monomer

Question # 15

Which of the following is a water soluble vetamin?

Question # 16

Which of the following is a polyamide?

Question # 17

Plastics are pollution problem because many plastics:

Question # 18

Cotton has cellulose in it:

Question # 19

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 20

Which of the following is not a synthetic polymer?

Question # 21

Simple sugars are :

Question # 22

In which of these processes are smell organic molecules made into macromolecules?

Question # 23

Which polymerization is free radical machanism based

Question # 24

In fructose the possible optical isomers are

Question # 25

Orlon is a polymer of

Question # 26

Which one of the following is not an example of chain growth polymer?

Question # 27

Which behaves as insulator for animals body?

Question # 28

The monomeric units of starch is/are

Question # 29

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

Question # 30

The development of disagreeable odur in fats or oil is called

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
2 There are 20 amino acids found in protein which is not the property of these amino acids
A. They are allα-amino acids
B. They are all optically active
C. They have high decomposition point
D. They are water soluble
3 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
4 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
5 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
6 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
7 The prosthetic group in glycoprotein is
A. Carbohydrate
B. Fat
C. Vitamin
D. Nucleic acid
8 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these
9 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
10 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number

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