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 polymers is used for weather resistant paints

Question # 2

The metal present in blood is

Question # 3

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 4

Which one of the following is a water soluble vitamin

Question # 5

The disaccharide present in milk is

Question # 6

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

Question # 7

Factors affecting denaturation of proteins:

Question # 8

A polymer may be

Question # 9

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

Question # 10

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

Question # 11

Which of the following fibres are made of polyamides?

Question # 12

Simple sugars are :

Question # 13

Substances that render enzymes catalytically inactive are called

Question # 14

Cotton has cellulose in it:

Question # 15

The monomeric units of starch is/are

Question # 16

Which of the following has magnesium?

Question # 17

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

Question # 18

One of the followings is not type of polymer

Question # 19

Purine derivative among the following bases is

Question # 20

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

Question # 21

Which of the following is an example of ketohexose?

Question # 22

Which of the following is fully fluorinated polymer?

Question # 23

β-D-glucose is a monomer for

Question # 24

The proteins which are derived by conjugated proteins are called as

Question # 25

Enzymes, in the living systems

Question # 26

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 # 27

Purines include

Question # 28

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 29

Vegetable oils are

Question # 30

Enzymes are chemically

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
3 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
4 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
5 Molar mass of high molecular w.f. polymers ranges from:
A. 1000 to 10000
B. 10000 to 100000
C. 100000 to 1000000
D. 1000 to 100000000
6 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
7 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine
8 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
9 Ricket is caused due to the deficiency of vitamin
A. A
B. D
C. B
D. E
10 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

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