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

Factors affecting denaturation of proteins:

Question # 2

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 3

The reaction between fat and NaOH is called:

Question # 4

Ascorbic acid is a chemical name of

Question # 5

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

Question # 6

Which one of the following is a water soluble vitamin

Question # 7

Orlon is a polymer of

Question # 8

The fibre which is made form acrylonitrile as monomer

Question # 9

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 10

Which is not a steroid

Question # 11

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

Question # 12

Enzymes are

Question # 13

What is not true about DNA

Question # 14

A polymer may be

Question # 15

Which of the following is a constituent of nylon?

Question # 16

Which of the following fibres are made of polyamides?

Question # 17

Which of these polymers is a synthetic polymer?

Question # 18

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

Question # 19

A condensation polymer among the following is

Question # 20

Naturally occurring lipids are called

Question # 21

Glycine at pH7 has the structure

Question # 22

On hydrolysis of starch, we finally get

Question # 23

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

Question # 24

Which is the polymer that has amide linkage in its structure

Question # 25

The raw material to form nylon is

Question # 26

Enzymes are chemically

Question # 27

The prosthetic group in glycoprotein is

Question # 28

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

Question # 29

For every reaction occurring in the body three is at least one type of

Question # 30

At what pH glycine shows the structure H3N+-- CH2-- COOH

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 The number of amino acids found in proteins that a human body can synthesize is
A. 20
B. 10
C. 5
D. 14
3 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
4 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
5 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
6 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
7 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
8 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6
9 The other name of cross linked polymers is
A. Linear polymer
B. Branched polymer
C. Inter connected polymers
D. None of these
10 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers

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