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

The main structure features of proteins is

Question # 2

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

Question # 3

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

Question # 4

Which of the following is not present in RNA?

Question # 5

What is not true about DNA

Question # 6

The polymers which can not be re-softened again and again are called

Question # 7

Which is not a steroid

Question # 8

Which of these polymers is an addition polymer?

Question # 9

Iodine value of an oil or fat may be defined as

Question # 10

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

Question # 11

The simplest separating unit of a polymer is called:

Question # 12

One of the followings is not type of polymer

Question # 13

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

Question # 14

The stroids of fungi and yeast and yeast are called:

Question # 15

Which of the following is an example of ketohexose?

Question # 16

The reaction between fat and NaOH is called:

Question # 17

The protein which only yield amino acids and their derivatives

Question # 18

A fibre which is made from acrylonitrile as monomer

Question # 19

Sterols, vitamin D and terpenese belong to

Question # 20

The temp. and pressure used for PVC polymerization is

Question # 21

The other name of cross linked polymers is

Question # 22

β-D-glucose is a monomer for

Question # 23

Glycogen is stored in

Question # 24

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 25

In fructose the possible optical isomers are

Question # 26

Which of the following fibres are made of polyamides?

Question # 27

Plastics are a pollution problem because many plastics

Question # 28

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

Question # 29

Monosaccharides and oligosacchradies are generally called as

Question # 30

Two or more similar monomers combine to form:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of these polymers is a synthetic polymer?
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
2 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
3 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
4 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glyccerides of saturated fatty acids
D. Essential oils obtained from plants
5 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
6 Which one of the following statements of glucose and sucrose is incorrect?
A. Both are soluble in water
B. Both are naturally occuring
C. Both are carbohydrates
D. Both are disaccharides
7 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
8 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
9 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
10 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these

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