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

Naturally occurring lipids are called

Question # 2

A polymer may be

Question # 3

Which one is a polymer compound?

Question # 4

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

Question # 5

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

Question # 6

Which of these polymers is a synthetic polymer

Question # 7

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

Question # 8

Which one of the following statements of glucose and sucrose is incorrect?

Question # 9

Monosaccharides belong to the group

Question # 10

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 11

Peptide bond is a key feature in

Question # 12

The proteins which are derived by conjugated proteins are called as

Question # 13

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 14

Which of these polymers is a synthetic polymer?

Question # 15

When a nitrogeneous base combine with a sugar it is called

Question # 16

Purines include

Question # 17

The simplest separating unit of a polymer is called:

Question # 18

How is the secondary structure of protein stabilized

Question # 19

The monomeric units of starch is/are

Question # 20

Cellulose does:

Question # 21

The raw material to form nylon is

Question # 22

Which of the following is not present in nucleotide?

Question # 23

Two vitamins absorbed from intestine along with fats are

Question # 24

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

Question # 25

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

Question # 26

In fructose the possible optical isomers are

Question # 27

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

Question # 28

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

Question # 29

Which behaves as insulator for animals body?

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
2 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
3 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
4 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
5 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
6 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
7 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin
8 What is the most common catalyst used in hydrogenation of oils
A. Cobalt
B. Nickel
C. Tungsten
D. Copper
9 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
10 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None

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