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 these polymers is an addition polymer?

Question # 2

Purines include

Question # 3

The fiber which is made from acrylonitrile as monomer:

Question # 4

A polymer may be

Question # 5

Plastics are a pollution problem because many plastics

Question # 6

The temp. and pressure used for PVC polymerization is

Question # 7

The polymers which can not be re-softened again and again are called

Question # 8

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

Question # 9

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

Question # 10

Plastics are pollution problem because many plastics:

Question # 11

Glyptal polymer is obtained from glycerol on reacting with

Question # 12

The protein which only yield amino acids and their derivatives

Question # 13

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 14

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

Question # 15

(CH2O)nis general formula for

Question # 16

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

Question # 17

Protein may have

Question # 18

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

Question # 19

Which functional group is present in glycerol tristearate

Question # 20

The prosthetic group in glycoprotein is

Question # 21

Enzymes are chemically

Question # 22

DNA has deoxyribose, a base and the third component is

Question # 23

Which of the following is not present in RNA?

Question # 24

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

Question # 25

Which behaves as insulator for animals body?

Question # 26

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

Question # 27

A polymer may be

Question # 28

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

Question # 29

Teflon, styron and neoprene are all

Question # 30

Vitamin A is present in

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
2 Nylon, 6,6 is a condensation polymer of
A. Adipic acid and glycol
B. Phthalic acid and glycol
C. Adipic acid and hexaethylene diamine
D. Pthalic acid and hexaethylene diamine
3 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
4 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
5 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
6 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
7 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
8 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
9 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
10 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

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