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

In which of these processes are smell organic molecules made into macromolecules?

Question # 2

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 3

The other name of cross linked polymers is

Question # 4

Soft drinks and baby feeding bottles are generally made up of

Question # 5

One of the followings is not type of polymer

Question # 6

Which behaves as insulator for animals body?

Question # 7

The product of addition polymerization reaction is

Question # 8

Which one of the following is a water soluble vitamin

Question # 9

Which of these polymers is an addition polymer

Question # 10

Substances that render enzymes catalytically inactive are called

Question # 11

The protein which only yield amino acids and their derivatives

Question # 12

Which of these polymers is an addition polymer?

Question # 13

Iodine value of an oil or fat may be defined as

Question # 14

Synthetic polymer prepared from caprolactum is known is

Question # 15

Plastics are a pollution problem because many plastics

Question # 16

Plastics are a pollution problem because many plastics

Question # 17

Of the following which is a step growth polymer

Question # 18

Glyptal polymer is obtained from glycerol on reacting with

Question # 19

Which of these polymers is a synthetic polymer?

Question # 20

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 21

Monosaccharides belong to the group

Question # 22

Purines include

Question # 23

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

Question # 24

Terylene is madeby polymerization of terephthalic acid with

Question # 25

Which is not a steroid

Question # 26

Which is the polymer that has amide linkage in its structure

Question # 27

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

Question # 28

Which of the following is a biodegradable polymer?

Question # 29

Two vitamins absorbed from intestine along with fats are

Question # 30

Plastics are pollution problem because many plastics:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
2 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
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 Oxidation reduction is done by
A. Oxidoreductase
B. Lipases
C. Lyase
D. None of these
6 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
7 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
8 Molar mass of high molecular w.f. polymers ranges from:
A. 1000 to 10000
B. 10000 to 100000
C. 100000 to 1000000
D. 1000 to 100000000
9 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
10 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification

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