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

Plastics are pollution problem because many plastics:

Question # 2

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

Question # 3

A polymer may be

Question # 4

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

Question # 5

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

Question # 6

The prosthetic group in glycoprotein is

Question # 7

Orlon is a polymer of

Question # 8

How is the secondary structure of protein stabilized

Question # 9

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

Question # 10

Monosaccharides belong to the group

Question # 11

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 12

Enzymes are chemically

Question # 13

Cotton has cellulose in it:

Question # 14

Which one of the following is not an example of chain growth polymer?

Question # 15

DNA has deoxyribose, a base and the third component is

Question # 16

In fructose the possible optical isomers are

Question # 17

Which property is not present in lipids?

Question # 18

Oxidation reduction is done by

Question # 19

Which is a protein?

Question # 20

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

Question # 21

The development of disagreeable odur in fats or oil is called

Question # 22

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 23

Which is not an enzyme

Question # 24

Plastics are a pollution problem because many plastics

Question # 25

The fibre which is made form acrylonitrile as monomer

Question # 26

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

Question # 27

The proteins which are derived by conjugated proteins are called as

Question # 28

Which one of the following is a water soluble vitamin

Question # 29

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

Question # 30

Glycogen is stored in

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following enzymes brings about the hydrolysis of fats?
A. Urease
B. Maltase
C. Zymase
D. Lypase
2 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
3 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these
4 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
5 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
6 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
7 Which of the following fibres are made of polyamides?
A. Dacron
B. Orlon
C. Nylon
D. Rayon
8 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
9 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
10 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine

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