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 one of the following is the most abundant organic substance found in nature

Question # 2

A polymer may be

Question # 3

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

Question # 4

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

Question # 5

Which of the following fibres are made of polyamides?

Question # 6

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

Question # 7

Which carbohydrates is an essential constituent of plant cells?

Question # 8

β-D-glucose is a monomer for

Question # 9

The temp. and pressure used for PVC polymerization is

Question # 10

What is the most common catalyst used in hydrogenation of oils

Question # 11

Which teat is not given by both glucose and fructose

Question # 12

A fibre which is made from acrylonitrile as monomer

Question # 13

Which one of the following is a water soluble vitamin

Question # 14

Which of the following statements is incorrect about vitamins

Question # 15

Plastics are pollution problem because many plastics:

Question # 16

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

Question # 17

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a

Question # 18

(CH2O)nis general formula for

Question # 19

Vitamin A is present in

Question # 20

The disaccharide present in milk is

Question # 21

Sterols, vitamin D and terpenese belong to

Question # 22

An oil or fat with no double bond have iodine number:

Question # 23

Which of the following is an example of ketohexose?

Question # 24

The clotting time of blood is increased due to the deficiency of

Question # 25

Ascorbic acid is a chemical name of

Question # 26

Which of the following is a biodegradable polymer?

Question # 27

The fibre which is made form acrylonitrile as monomer

Question # 28

Monosaccharides belong to the group

Question # 29

Which of these polymers is an addition polymer?

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is not an example of addition polymer?
A. Polyethene
B. Polystyrene
C. Neoprene
D. Terylene
2 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these
3 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
4 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant
5 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
6 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
7 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
8 For every reaction occurring in the body three is at least one type of
A. Enzyme
B. Vitamin
C. Protein
D. Amino acid
9 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene
10 The reaction between fat and NaOH is called:
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Sponification

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