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

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

Question # 2

The digestion of fats in the intestines is aided by

Question # 3

Which is a protein?

Question # 4

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

Question # 5

Which is the polymer that has amide linkage in its structure

Question # 6

The raw material to form nylon is

Question # 7

Which of the following fibres are made of polyamides?

Question # 8

Protein may have

Question # 9

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 10

Purines include

Question # 11

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

Question # 12

Ascorbic acid is a chemical name of

Question # 13

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

Question # 14

Bakelite is a product formed form

Question # 15

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

Question # 16

The reaction between fat and NaOH is called

Question # 17

Which teat is not given by both glucose and fructose

Question # 18

Which property is not present in lipids?

Question # 19

The proteins which are derived by conjugated proteins are called as

Question # 20

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

Question # 21

Plastics are a pollution problem because many plastics

Question # 22

Which of the following is obtained by condensation polymerization?

Question # 23

Copolymer is

Question # 24

Major food factors are:

Question # 25

The reagent which forms crystalline osazone derivative when treated with glucose is

Question # 26

Cotton is ______% cellulose

Question # 27

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

Question # 28

Vitamin A is present in

Question # 29

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

Question # 30

When a nitrogeneous base combine with a sugar it is called

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
2 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
3 Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer
A. Silk
B. Polyester
C. Polyvinyl chloride
D. Nylon
4 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
5 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
6 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
7 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
8 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
9 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
10 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering

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