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

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

Question # 2

Which is a protein?

Question # 3

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

Question # 4

Glyptal polymer is obtained from glycerol on reacting with

Question # 5

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

Question # 6

Orlon is a polymer of

Question # 7

Vegetables oils are:

Question # 8

Which of the following is not present in nucleotide?

Question # 9

Two vitamins absorbed from intestine along with fats are

Question # 10

When a nitrogeneous base combine with a sugar it is called

Question # 11

Ascorbic acid is a chemical name of

Question # 12

The monomeric units of starch is/are

Question # 13

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

Question # 14

DNA has deoxyribose, a base and the third component is

Question # 15

The reaction between fat and NaOH is called:

Question # 16

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 17

The development of disagreeable odur in fats or oil is called

Question # 18

Purines include

Question # 19

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

Question # 20

Which teat is not given by both glucose and fructose

Question # 21

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

Question # 22

The proteins which are derived by conjugated proteins are called as

Question # 23

Which of the following is an example of ketohexose?

Question # 24

Which of the following is a steroid

Question # 25

Plastics are a pollution problem because many plastics

Question # 26

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

Question # 27

Which of the following has ester linkage?

Question # 28

The stroids of fungi and yeast and yeast are called:

Question # 29

The group linkage present in fats is

Question # 30

Oxidation reduction is done by

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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 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
3 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
4 The fiber which is made from acrylonitrile as monomer:
A. PVC
B. Rayon Fiber
C. Acrylic fiber
D. Polyester fiber
5 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
6 Which of the following has ester linkage?
A. Nylon
B. Bakelite
C. Terylene
D. PVC
7 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
8 Which one of the following enzymes brings about the hydrolysis of fats
A. Urease
B. Maltase
C. Zymase
D. Lypase
9 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
10 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin

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