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

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Question # 1

Plastics are pollution problem because many plastics:

Question # 2

Purines include

Question # 3

Teflon, styron and neoprene are all

Question # 4

Ascorbic acid is a chemical name of

Question # 5

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 6

Which of the following has ester linkage?

Question # 7

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

Question # 8

Which is the polymer that has amide linkage in its structure

Question # 9

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

Question # 10

The group linkage present in fats is

Question # 11

Copolymer is

Question # 12

Naturally occurring lipids are called

Question # 13

Polymer formation from monomers starts by

Question # 14

Which of the following is not a synthetic polymer?

Question # 15

Which of these polymers is a synthetic polymer

Question # 16

The temp. and pressure used for PVC polymerization is

Question # 17

A polymer may be

Question # 18

Nylon, 6,6 is a condensation polymer of

Question # 19

Which teat is not given by both glucose and fructose

Question # 20

Terylene is madeby polymerization of terephthalic acid with

Question # 21

Peptide bond is a key feature in

Question # 22

How is the secondary structure of protein stabilized

Question # 23

Activity of the enzyme is reduced by

Question # 24

Which of the following is the repeating monomeric unit in cellulose

Question # 25

(CH2O)nis general formula for

Question # 26

Which of the following is a water soluble vetamin?

Question # 27

Plastics are a pollution problem because many plastics

Question # 28

Which of the following is a polyamide?

Question # 29

The fibre which is made form acrylonitrile as monomer

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
2 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
3 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin
4 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids
5 What is the most common catalyst used in hydrogenation of oils
A. Cobalt
B. Nickel
C. Tungsten
D. Copper
6 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
7 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
8 Ricket is caused due to the deficiency of vitamin
A. A
B. D
C. B
D. E
9 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
10 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14

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