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

Vegetable oils are

Question # 2

Ascorbic acid is a chemical name of

Question # 3

DNA has deoxyribose, a base and the third component is

Question # 4

Which of the following is an example of ketohexose?

Question # 5

The other name of cross linked polymers is

Question # 6

Simple sugars are :

Question # 7

(CH2O)nis general formula for

Question # 8

Sterols, vitamin D and terpenese belong to

Question # 9

What is not true about DNA

Question # 10

Activity of the enzyme is reduced by

Question # 11

The metal present in blood is

Question # 12

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

Question # 13

Plastics are pollution problem because many plastics:

Question # 14

Substances that render enzymes catalytically inactive are called

Question # 15

Which is not a steroid

Question # 16

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

Question # 17

The development of disagreeable odur in fats or oil is called

Question # 18

Orlon is a polymer of

Question # 19

Which of the following is not a synthetic polymer?

Question # 20

The proteins which are derived by conjugated proteins are called as

Question # 21

Which of the following is fully fluorinated polymer?

Question # 22

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

Question # 23

Polymer formation from monomers starts by

Question # 24

The raw material to form nylon is

Question # 25

Which functional group is present in glycerol tristearate

Question # 26

Which is a protein?

Question # 27

The reagent which forms crystalline osazone derivative when treated with glucose is

Question # 28

Which of the following fibres are made of polyamides?

Question # 29

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

Question # 30

Vitamin A is present in

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
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 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
4 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
5 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
6 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
7 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
8 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
9 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
10 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose

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