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

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 2

Two vitamins absorbed from intestine along with fats are

Question # 3

Teflon, styron and neoprene are all

Question # 4

Which functional group is present in glycerol tristearate

Question # 5

Which one of the following is not an example of chain growth polymer?

Question # 6

Which of the following is an example of ketohexose?

Question # 7

When a nitrogeneous base combine with a sugar it is called

Question # 8

C6H12O6 is molecualr formula of:

Question # 9

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

Question # 10

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

Question # 11

Plastics are pollution problem because many plastics:

Question # 12

Substances that render enzymes catalytically inactive are called

Question # 13

The other name of cross linked polymers is

Question # 14

How is the secondary structure of protein stabilized

Question # 15

Which of the following is the repeating monomeric unit in cellulose

Question # 16

The product of addition polymerization reaction is

Question # 17

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 18

Which of the following statements is incorrect about vitamins

Question # 19

The reaction between fat and NaOH is called:

Question # 20

Natural rubber is a polymer of

Question # 21

Copolymer is

Question # 22

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

Question # 23

The disaccharide present in milk is

Question # 24

Enzymes are

Question # 25

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 26

Enzymes, in the living systems

Question # 27

β-D-glucose is a monomer for

Question # 28

Vitamin A is present in

Question # 29

A polymer may be

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
2 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
3 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12
4 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
5 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
6 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
7 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant
8 The proteins which are derived by conjugated proteins are called as
A. Simple protein
B. Complex protein
C. Derived protein
D. None
9 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
10 Which of the following is not a synthetic polymer?
A. Polyethylene
B. PVC
C. Nylon
D. Cellophane

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