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

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

Question # 2

Which of the following is a polyamide?

Question # 3

Activity of the enzyme is reduced by

Question # 4

Cellulose does:

Question # 5

Polymer formation from monomers starts by

Question # 6

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

Question # 7

The disaccharide present in milk is

Question # 8

On hydrolysis of starch, we finally get

Question # 9

Terylene is madeby polymerization of terephthalic acid with

Question # 10

Vegetable oils are

Question # 11

Protein may have

Question # 12

An example of water soluble vitamin is

Question # 13

β-D-glucose is a monomer for

Question # 14

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 15

Which is the derived lipid?

Question # 16

DNA has deoxyribose, a base and the third component is

Question # 17

Enzymes, in the living systems

Question # 18

Which behaves as insulator for animals body?

Question # 19

Monosaccharides belong to the group

Question # 20

How is the secondary structure of protein stabilized

Question # 21

Which one of the following is a water soluble vitamin

Question # 22

The prosthetic group in glycoprotein is

Question # 23

Which is not an enzyme

Question # 24

Plastics are a pollution problem because many plastics

Question # 25

Which property is not present in lipids?

Question # 26

Bakelite is obtained from phenol by reacting with

Question # 27

Oxidation reduction is done by

Question # 28

Sterols, vitamin D and terpenese belong to

Question # 29

Which one of the following is a water soluble vitamin

Question # 30

Which one is a polymer compound?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
2 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
3 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
4 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
5 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
6 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
7 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
8 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
9 Iodine value of an oil or fat may be defined as
A. The number of grams of iodine taken up by 1 g of the oil or fat
B. The number of grams of iodine taken by 10 g of the oil or fat
C. The number of grams of iodine taken by 100 g of the oil or fat
D. None of the above
10 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

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