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

Molar mass of high molecular w.f. polymers ranges from:

Question # 2

Purine derivative among the following bases is

Question # 3

Which is the polymer that has amide linkage in its structure

Question # 4

In which of these processes are smell organic molecules made into macromolecules?

Question # 5

Which of these polymers is a synthetic polymer

Question # 6

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

Question # 7

Which is a protein?

Question # 8

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

Question # 9

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

Question # 10

Glycogen is stored in

Question # 11

Major food factors are:

Question # 12

Which of the following is obtained by condensation polymerization?

Question # 13

Naturally occurring lipids are called

Question # 14

Glyptal polymer is obtained from glycerol on reacting with

Question # 15

Factors affecting denaturation of proteins:

Question # 16

The number of amino acids found in proteins that a human body can synthesize is

Question # 17

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 18

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

Question # 19

Nylon, 6,6 is a condensation polymer of

Question # 20

Peptide bond is a key feature in

Question # 21

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 22

What is the most common catalyst used in hydrogenation of oils

Question # 23

Which is the derived lipid?

Question # 24

The proteins which are derived by conjugated proteins are called as

Question # 25

How is the secondary structure of protein stabilized

Question # 26

Ascorbic acid is a chemical name of

Question # 27

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

Question # 28

Vegetable oils are

Question # 29

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

Question # 30

The reaction between fat and NaOH is called

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
2 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
3 Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as
A. Biuret
B. Xanthoproteic test
C. Hopkins-cole
D. All of these
4 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
5 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
6 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
7 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
8 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
9 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
10 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two

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