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

Of the following which is a step growth polymer

Question # 2

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

Question # 3

On hydrolysis of starch, we finally get

Question # 4

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

Question # 5

Which behaves as insulator for animals body?

Question # 6

Which of the following enzymes brings about the hydrolysis of fats?

Question # 7

Ascorbic acid is a chemical name of

Question # 8

How is the secondary structure of protein stabilized

Question # 9

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

Question # 10

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

Question # 11

Which is the derived lipid?

Question # 12

Simple sugars are :

Question # 13

Which of the following has magnesium?

Question # 14

Two vitamins absorbed from intestine along with fats are

Question # 15

In fructose the possible optical isomers are

Question # 16

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

Question # 17

Which teat is not given by both glucose and fructose

Question # 18

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 19

Iodine value of an oil or fat may be defined as

Question # 20

The temp. and pressure used for PVC polymerization is

Question # 21

The group linkage present in fats is

Question # 22

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

Question # 23

Glycogen is stored in

Question # 24

The disaccharide present in milk is

Question # 25

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 # 26

A polymer may be

Question # 27

Hydrolysis of sucrose is called

Question # 28

The main structure features of proteins is

Question # 29

The development of disagreeable odur in fats or oil is called

Question # 30

Glycine at pH7 has the structure

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine
2 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
3 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
4 Polymer formation from monomers starts by
A. Condensation reaction between monomers
B. Coordination reaction between monomers
C. Conversion of monomer to monomer ions by protons
D. Hydrolysis of monomers
5 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
6 Which one of the following enzymes brings about the hydrolysis of fats
A. Urease
B. Maltase
C. Zymase
D. Lypase
7 Which of the following is not present in RNA?
A. Uracil
B. Thymine
C. Ribose
D. Phosphate
8 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
9 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
10 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number

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