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

Polymer formation from monomers starts by

Question # 2

Vegetables oils are:

Question # 3

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 4

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

Question # 5

The clotting time of blood is increased due to the deficiency of

Question # 6

Oxidation reduction is done by

Question # 7

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

Question # 8

How is the secondary structure of protein stabilized

Question # 9

Which of the following is not a synthetic polymer?

Question # 10

The raw material to form nylon is

Question # 11

A fibre which is made from acrylonitrile as monomer

Question # 12

Which of the following is the repeating monomeric unit in cellulose

Question # 13

Major food factors are:

Question # 14

Cotton has cellulose in it:

Question # 15

Which of the following is a constituent of nylon?

Question # 16

The group linkage present in fats is

Question # 17

What is not true about DNA

Question # 18

Which of the following fibres are made of polyamides?

Question # 19

Terylene is madeby polymerization of terephthalic acid with

Question # 20

The reaction between fat and NaOH is called

Question # 21

The temp. and pressure used for PVC polymerization is

Question # 22

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

Question # 23

Which is a protein?

Question # 24

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

Question # 25

Which of these polymers is an addition polymer

Question # 26

Protein are classified into

Question # 27

Naturally occurring lipids are called

Question # 28

In macromolecules DP stands for

Question # 29

Substances that render enzymes catalytically inactive are called

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The metal present in blood is
A. Al
B. Hg
C. Cu
D. Fe
2 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
3 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
4 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
5 Glycogen is stored in
A. Animals
B. Plants
C. Soil
D. None of these
6 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
7 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
8 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
9 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
10 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)

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