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

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 2

The proteins which are derived by conjugated proteins are called as

Question # 3

Which property is not present in lipids?

Question # 4

The simplest separating unit of a polymer is called:

Question # 5

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

Question # 6

A nucleoside may be

Question # 7

The substance upon which an enzyme acts is known as its

Question # 8

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

Question # 9

Which is not an enzyme

Question # 10

Bakelite is obtained from phenol by reacting with

Question # 11

Cotton is ______% cellulose

Question # 12

The prosthetic group in glycoprotein is

Question # 13

Substances that render enzymes catalytically inactive are called

Question # 14

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 15

Protein may have

Question # 16

How is the secondary structure of protein stabilized

Question # 17

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

Question # 18

Vitamin A is present in

Question # 19

Iodine value of an oil or fat may be defined as

Question # 20

The development of disagreeable odur in fats or oil is called

Question # 21

Glycogen is stored in

Question # 22

Which of these polymers is an addition polymer

Question # 23

Which of the following is a steroid

Question # 24

Enzymes, in the living systems

Question # 25

The fibre which is made form acrylonitrile as monomer

Question # 26

Which carbohydrates is an essential constituent of plant cells?

Question # 27

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

Question # 28

Glyptal polymer is obtained from glycerol on reacting with

Question # 29

Simple sugars are :

Question # 30

The main structure features of proteins is

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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 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
3 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
4 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
5 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
6 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
7 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
8 Monosaccharides and oligosacchradies are generally called as
A. Crystals
B. Sugars
C. Liquids
D. Non-sugars
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 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin

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