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 simplest separating unit of a polymer is called:

Question # 2

Naturally occurring lipids are called

Question # 3

Cellulose does:

Question # 4

Protein are classified into

Question # 5

The development of disagreeable odur in fats or oil is called

Question # 6

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 7

The prosthetic group in glycoprotein is

Question # 8

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 9

Activity of the enzyme is reduced by

Question # 10

On hydrolysis of starch, we finally get

Question # 11

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

Question # 12

Peptide bond is a key feature in

Question # 13

Terylene is madeby polymerization of terephthalic acid with

Question # 14

Vegetables oils are:

Question # 15

Oxidation reduction is done by

Question # 16

Among the following polymers, the strongest molecular forces are present in

Question # 17

What is the most common catalyst used in hydrogenation of oils

Question # 18

One of the followings is not type of polymer

Question # 19

The fiber which is made from acrylonitrile as monomer:

Question # 20

Plastics are a pollution problem because many plastics

Question # 21

An example of water soluble vitamin is

Question # 22

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

Question # 23

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

Question # 24

The temp. and pressure used for PVC polymerization is

Question # 25

The monomeric units of starch is/are

Question # 26

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

Question # 27

Two vitamins absorbed from intestine along with fats are

Question # 28

Which of the following fibres are made of polyamides?

Question # 29

A nucleoside may be

Question # 30

Enzymes, in the living systems

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
2 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
3 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
4 Peptide bond is a key feature in
A. Polysaccharide
B. Proteins
C. Nucleotide
D. Vitamins
5 There are 20 amino acids found in protein which is not the property of these amino acids
A. They are allα-amino acids
B. They are all optically active
C. They have high decomposition point
D. They are water soluble
6 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
7 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
8 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
9 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
10 The proteins which are derived by conjugated proteins are called as
A. Simple protein
B. Complex protein
C. Derived protein
D. None

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