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

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

Question # 2

The reagent which forms crystalline osazone derivative when treated with glucose is

Question # 3

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

Question # 4

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

Question # 5

Which of the following is not present in RNA?

Question # 6

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

Question # 7

Teflon, styron and neoprene are all

Question # 8

Of the following which is a step growth polymer

Question # 9

Ascorbic acid is a chemical name of

Question # 10

Which one of the following is a water soluble vitamin

Question # 11

The raw material to form nylon is

Question # 12

How is the secondary structure of protein stabilized

Question # 13

The reaction between fat and NaOH is called:

Question # 14

Soft drinks and baby feeding bottles are generally made up of

Question # 15

The main structure features of proteins is

Question # 16

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

Question # 17

Plastics are a pollution problem because many plastics

Question # 18

The other name of cross linked polymers is

Question # 19

Which of these polymers is an addition polymer

Question # 20

Ricket is caused due to the deficiency of vitamin

Question # 21

Purine derivative among the following bases is

Question # 22

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

Question # 23

Copolymer is

Question # 24

A fibre which is made from acrylonitrile as monomer

Question # 25

Which of the following is a steroid

Question # 26

Which is not a steroid

Question # 27

Which is not an enzyme

Question # 28

Which teat is not given by both glucose and fructose

Question # 29

The polymers which can be re-softened again and again are caled

Question # 30

In fructose the possible optical isomers are

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
2 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
3 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
4 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification
5 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
6 Which of the following is a polyamide?
A. Nylon
B. Orlon
C. Teflon
D. Terylene
7 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
8 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
9 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
10 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion

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