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

The fiber which is made from acrylonitrile as monomer:

Question # 2

Hydrolysis of sucrose is called

Question # 3

Which of the following fibres are made of polyamides?

Question # 4

Which teat is not given by both glucose and fructose

Question # 5

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 6

Oxidation reduction is done by

Question # 7

Bakelite is a product formed form

Question # 8

Which carbohydrates is an essential constituent of plant cells?

Question # 9

(CH2O)nis general formula for

Question # 10

The reaction between fat and NaOH is called:

Question # 11

The digestion of fats in the intestines is aided by

Question # 12

The protein which only yield amino acids and their derivatives

Question # 13

Which of the following is not a synthetic polymer?

Question # 14

The substance upon which an enzyme acts is known as its

Question # 15

Protein may have

Question # 16

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

Question # 17

When a nitrogeneous base combine with a sugar it is called

Question # 18

Monosaccharides are

Question # 19

Which of these polymers is a synthetic polymer?

Question # 20

Cellulose does:

Question # 21

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

Question # 22

Factors affecting denaturation of proteins:

Question # 23

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 24

The other name of cross linked polymers is

Question # 25

Glycogen is stored in

Question # 26

Polysaccharides are also called

Question # 27

Peptide bond is a key feature in

Question # 28

Polyester resins have special use in:

Question # 29

Bakelite is obtained from phenol by reacting with

Question # 30

Which of the following brings about the conversion of starch into maltose

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
2 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
3 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
4 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
5 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
6 The other name of cross linked polymers is
A. Linear polymer
B. Branched polymer
C. Inter connected polymers
D. None of these
7 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
8 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
9 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
10 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene

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