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

How is the secondary structure of protein stabilized

Question # 2

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 # 3

Which has maximum protein content?

Question # 4

Bakelite is a product formed form

Question # 5

Glycine at pH7 has the structure

Question # 6

C6H12O6 is molecualr formula of:

Question # 7

Which is not an enzyme

Question # 8

The temp. and pressure used for PVC polymerization is

Question # 9

Which is the derived lipid?

Question # 10

Which of these polymers is an addition polymer

Question # 11

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

Question # 12

The stroids of fungi and yeast and yeast are called:

Question # 13

DNA has deoxyribose, a base and the third component is

Question # 14

Which of the following is a biodegradable polymer?

Question # 15

The other name of cross linked polymers is

Question # 16

The digestion of fats in the intestines is aided by

Question # 17

The fiber which is made from acrylonitrile as monomer:

Question # 18

The temp. and pressure used for PVC polymerization is

Question # 19

In macromolecules DP stands for

Question # 20

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

Question # 21

Monosaccharides and oligosacchradies are generally called as

Question # 22

Hydrolysis of sucrose is called

Question # 23

Protein are classified into

Question # 24

Which of the following is a water soluble vetamin?

Question # 25

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

Question # 26

Two or more similar monomers combine to form:

Question # 27

Which of the following is not an example of addition polymer?

Question # 28

Natural rubber is a polymer of

Question # 29

Bakelite is obtained from phenol by reacting with

Question # 30

Copolymer is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
3 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
4 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6
5 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
6 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
7 Ricket is caused due to the deficiency of vitamin
A. A
B. D
C. B
D. E
8 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
9 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
10 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene

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