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

Which teat is not given by both glucose and fructose

Question # 2

Which has maximum protein content?

Question # 3

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

Question # 4

Soft drinks and baby feeding bottles are generally made up of

Question # 5

(CH2O)nis general formula for

Question # 6

A polymer may be

Question # 7

Which one of the following is a water soluble vitamin

Question # 8

Which of the following is obtained by condensation polymerization?

Question # 9

Which of these polymers is an addition polymer

Question # 10

Major food factors are:

Question # 11

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 # 12

The digestion of fats in the intestines is aided by

Question # 13

An oil or fat with no double bond have iodine number:

Question # 14

Which is a protein?

Question # 15

Vegetable oils are

Question # 16

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

Question # 17

Which of the following has magnesium?

Question # 18

When a nitrogeneous base combine with a sugar it is called

Question # 19

Which one of the following is the most abundant organic substance found in nature

Question # 20

Of the following which is a step growth polymer

Question # 21

Which of these polymers is a synthetic polymer

Question # 22

Which polymerization is free radical machanism based

Question # 23

Glycine at pH7 has the structure

Question # 24

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

Question # 25

Monosaccharides belong to the group

Question # 26

Oxidation reduction is done by

Question # 27

The disaccharide present in milk is

Question # 28

Which is the polymer that has amide linkage in its structure

Question # 29

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

Question # 30

Bakelite is a product formed form

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
2 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids
3 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
4 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
5 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
6 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
7 Which of the following is a polyamide?
A. Nylon
B. Orlon
C. Teflon
D. Terylene
8 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
9 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
10 Which of the following enzymes brings about the hydrolysis of fats?
A. Urease
B. Maltase
C. Zymase
D. Lypase

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