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

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

Question # 3

The raw material to form nylon is

Question # 4

Among the following polymers, the strongest molecular forces are present in

Question # 5

Enzymes are chemically

Question # 6

Which one of the following is the most abundant organic substance found in nature

Question # 7

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

Question # 8

DNA has deoxyribose, a base and the third component is

Question # 9

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 10

Which of the following is not present in nucleotide?

Question # 11

Which of these polymers is a synthetic polymer?

Question # 12

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 13

The prosthetic group in glycoprotein is

Question # 14

Enzymes are

Question # 15

A condensation polymer among the following is

Question # 16

Which of the following is the repeating monomeric unit in cellulose

Question # 17

Plastics are pollution problem because many plastics:

Question # 18

Which of the following is a molecular diseases?

Question # 19

Which property is not present in lipids?

Question # 20

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 21

Substances that render enzymes catalytically inactive are called

Question # 22

Which of the following is an example of ketohexose?

Question # 23

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

Question # 24

The fiber which is made from acrylonitrile as monomer:

Question # 25

Which behaves as insulator for animals body?

Question # 26

For every reaction occurring in the body three is at least one type of

Question # 27

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

Question # 28

The main structure features of proteins is

Question # 29

Which is not a steroid

Question # 30

The development of disagreeable odur in fats or oil is called

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these
2 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
3 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
4 Peptide bond is a key feature in
A. Polysaccharide
B. Proteins
C. Nucleotide
D. Vitamins
5 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
6 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
7 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
8 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
9 Enzymes, in the living systems
A. Provide energy
B. Provide immunity
C. Transport oxygen
D. Catalyze biochemical processes
10 There are 20 amino acids found in protein which is not the property of these amino acids
A. They are allα-amino acids
B. They are all optically active
C. They have high decomposition point
D. They are water soluble

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