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

Which of the following is not present in RNA?

Question # 2

(CH2O)nis general formula for

Question # 3

Which of the following fibres are made of polyamides?

Question # 4

In fructose the possible optical isomers are

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

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

Question # 7

Iodine value of an oil or fat may be defined as

Question # 8

Which of the following is not an example of addition polymer?

Question # 9

Which of the following statements is incorrect about vitamins

Question # 10

Which of the following is the repeating monomeric unit in cellulose

Question # 11

Which of the following is fully fluorinated polymer?

Question # 12

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

Question # 13

Which of the following is a biodegradable polymer?

Question # 14

The development of disagreeable odur in fats or oil is called

Question # 15

Which of the following is not present in nucleotide?

Question # 16

Bakelite is a product formed form

Question # 17

Bakelite is obtained from phenol by reacting with

Question # 18

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

Question # 19

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 20

Which one of the following is a water soluble vitamin

Question # 21

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

Question # 22

Monosaccharides are

Question # 23

Cotton is ______% cellulose

Question # 24

Hydrolysis of sucrose is called

Question # 25

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 26

Glyptal polymer is obtained from glycerol on reacting with

Question # 27

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 28

Which of these polymers is a synthetic polymer?

Question # 29

Monosaccharides belong to the group

Question # 30

Which of the following is a steroid

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is not a synthetic polymer?
A. Polyethylene
B. PVC
C. Nylon
D. Cellophane
2 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
3 Monosaccharides and oligosacchradies are generally called as
A. Crystals
B. Sugars
C. Liquids
D. Non-sugars
4 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
5 The proteins which are derived by conjugated proteins are called as
A. Simple protein
B. Complex protein
C. Derived protein
D. None
6 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification
7 The number of amino acids found in proteins that a human body can synthesize is
A. 20
B. 10
C. 5
D. 14
8 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
9 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
10 Oxidation reduction is done by
A. Oxidoreductase
B. Lipases
C. Lyase
D. None of these

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