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

Oxidation reduction is done by

Question # 2

Sterols, vitamin D and terpenese belong to

Question # 3

The monomeric units of starch is/are

Question # 4

Purine derivative among the following bases is

Question # 5

β-D-glucose is a monomer for

Question # 6

Terylene is madeby polymerization of terephthalic acid with

Question # 7

Which is not a steroid

Question # 8

Of the following which is a step growth polymer

Question # 9

Cotton has cellulose in it:

Question # 10

DNA has deoxyribose, a base and the third component is

Question # 11

One of the followings is not type of polymer

Question # 12

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 13

The number of amino acids found in proteins that a human body can synthesize is

Question # 14

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 15

Substances that render enzymes catalytically inactive are called

Question # 16

Enzymes are

Question # 17

A polymer may be

Question # 18

Which of the following is a constituent of nylon?

Question # 19

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 20

Polymer formation from monomers starts by

Question # 21

Which one of the following is a water soluble vitamin

Question # 22

Bakelite is obtained from phenol by reacting with

Question # 23

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

Question # 24

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 25

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 26

Which of the following is a biodegradable polymer?

Question # 27

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

Question # 28

Enzymes are chemically

Question # 29

Which of the following is not present in nucleotide?

Question # 30

Which of the following is a polyamide?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant
2 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
3 Enzymes are catalysts which contain other than carbon and hydrogen one other element
A. Oxygen
B. Sulphur
C. Phosphorus
D. Iodine
4 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
5 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
6 The reaction between fat and NaOH is called:
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Sponification
7 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
A. Fibre
B. Plastic
C. Varnish
D. Polyamide resin
8 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
9 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
10 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre

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