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

A condensation polymer among the following is

Question # 2

Polymer formation from monomers starts by

Question # 3

Which of these polymers is an addition polymer

Question # 4

Glyptal polymer is obtained from glycerol on reacting with

Question # 5

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

Question # 6

Vitamin A is present in

Question # 7

Activity of the enzyme is reduced by

Question # 8

Synthetic polymer prepared from caprolactum is known is

Question # 9

Polyester resins have special use in:

Question # 10

Terylene is madeby polymerization of terephthalic acid with

Question # 11

Which is not an enzyme

Question # 12

Plastics are pollution problem because many plastics:

Question # 13

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

Question # 14

Which carbohydrates is an essential constituent of plant cells?

Question # 15

Which of these polymers is a synthetic polymer

Question # 16

The digestion of fats in the intestines is aided by

Question # 17

Which property is not present in lipids?

Question # 18

DNA has deoxyribose, a base and the third component is

Question # 19

Which functional group is present in glycerol tristearate

Question # 20

The raw material to form nylon is

Question # 21

An oil or fat with no double bond have iodine number:

Question # 22

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

Question # 23

Vegetable oils are

Question # 24

Glycine at pH7 has the structure

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

Glycogen is stored in

Question # 27

The disaccharide present in milk is

Question # 28

The prosthetic group in glycoprotein is

Question # 29

Which of the following is not a synthetic polymer?

Question # 30

Which of the following is the repeating monomeric unit in cellulose

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following has ester linkage?
A. Nylon
B. Bakelite
C. Terylene
D. PVC
2 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
3 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
4 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
5 Which of the following is not an example of addition polymer?
A. Polyethene
B. Polystyrene
C. Neoprene
D. Terylene
6 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
7 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
8 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
9 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
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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