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

The disaccharide present in milk is

Question # 2

The prosthetic group in glycoprotein is

Question # 3

Which of the following statements is incorrect about vitamins

Question # 4

Vitamin A is present in

Question # 5

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 6

The clotting time of blood is increased due to the deficiency of

Question # 7

In macromolecules DP stands for

Question # 8

Protein may have

Question # 9

Monosaccharides and oligosacchradies are generally called as

Question # 10

One of the followings is not type of polymer

Question # 11

The reaction between fat and NaOH is called

Question # 12

Which of the following has ester linkage?

Question # 13

On hydrolysis of starch, we finally get

Question # 14

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 15

Plastics are pollution problem because many plastics:

Question # 16

When a nitrogeneous base combine with a sugar it is called

Question # 17

Plastics are a pollution problem because many plastics

Question # 18

Which of the following is not present in RNA?

Question # 19

Which of the following is a biodegradable polymer?

Question # 20

A polymer may be

Question # 21

Which one of the following statements of glucose and sucrose is incorrect?

Question # 22

Which of the following enzymes brings about the hydrolysis of fats?

Question # 23

The product of addition polymerization reaction is

Question # 24

Natural rubber is a polymer of

Question # 25

Orlon is a polymer of

Question # 26

Purines include

Question # 27

Simple sugars are :

Question # 28

Which teat is not given by both glucose and fructose

Question # 29

What is the most common catalyst used in hydrogenation of oils

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
2 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
3 Which one of the following statements of glucose and sucrose is incorrect?
A. Both are soluble in water
B. Both are naturally occuring
C. Both are carbohydrates
D. Both are disaccharides
4 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
5 The main structure features of proteins is
A. An ester linkage
B. An ether linkage
C. The peptide linkage
D. All
6 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
7 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
8 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
9 DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide
A. Phosphate group
B. Deoxy ribose sugar
C. Uracil base
D. Adenine base
10 Enzymes, in the living systems
A. Provide energy
B. Provide immunity
C. Transport oxygen
D. Catalyze biochemical processes

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