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

Protein are classified into

Question # 2

Copolymer is

Question # 3

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

Question # 4

Natural rubber is a polymer of

Question # 5

Which of the following elements is not present in all proteins?

Question # 6

A polymer may be

Question # 7

Which of the following is a water soluble vetamin?

Question # 8

Which of the following polymers is used for weather resistant paints

Question # 9

Which one of the following is a water soluble vitamin

Question # 10

Iodine value of an oil or fat may be defined as

Question # 11

The protein which only yield amino acids and their derivatives

Question # 12

Which of the following is a molecular diseases?

Question # 13

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

Question # 14

Which of the following has ester linkage?

Question # 15

In fructose the possible optical isomers are

Question # 16

Enzymes, in the living systems

Question # 17

Factors affecting denaturation of proteins:

Question # 18

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 19

Polymer formation from monomers starts by

Question # 20

The substance upon which an enzyme acts is known as its

Question # 21

Which of these polymers is an addition polymer?

Question # 22

Protein may have

Question # 23

Plastics are pollution problem because many plastics:

Question # 24

Teflon, styron and neoprene are all

Question # 25

Which is the polymer that has amide linkage in its structure

Question # 26

Which carbohydrates is an essential constituent of plant cells?

Question # 27

Vitamin A is present in

Question # 28

The other name of cross linked polymers is

Question # 29

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a

Question # 30

Two or more similar monomers combine to form:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
2 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide
3 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
4 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
5 The prosthetic group in glycoprotein is
A. Carbohydrate
B. Fat
C. Vitamin
D. Nucleic acid
6 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
7 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glyccerides of saturated fatty acids
D. Essential oils obtained from plants
8 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
9 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids
10 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant

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