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

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 2

Bakelite is a product formed form

Question # 3

Plastics are pollution problem because many plastics:

Question # 4

Vegetables oils are:

Question # 5

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 # 6

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

Question # 7

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

Question # 8

The raw material to form nylon is

Question # 9

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

Question # 10

Oxidation reduction is done by

Question # 11

When a nitrogeneous base combine with a sugar it is called

Question # 12

A condensation polymer among the following is

Question # 13

The disaccharide present in milk is

Question # 14

Which carbohydrates is an essential constituent of plant cells?

Question # 15

On hydrolysis of starch, we finally get

Question # 16

Activity of the enzyme is reduced by

Question # 17

Bakelite is obtained from phenol by reacting with

Question # 18

Which of the following is the repeating monomeric unit in cellulose

Question # 19

Naturally occurring lipids are called

Question # 20

A fibre which is made from acrylonitrile as monomer

Question # 21

The fibre which is made form acrylonitrile as monomer

Question # 22

Vitamin A is present in

Question # 23

The metal present in blood is

Question # 24

Sterols, vitamin D and terpenese belong to

Question # 25

The fiber which is made from acrylonitrile as monomer:

Question # 26

The polymers which can be re-softened again and again are caled

Question # 27

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 28

Plastics are a pollution problem because many plastics

Question # 29

Hydrolysis of sucrose is called

Question # 30

Which functional group is present in glycerol tristearate

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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 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
3 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
4 Which is not a steroid
A. Cholesterol
B. Ergosterol
C. Phospholipids
D. None of these
5 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
6 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
7 Which of the following has ester linkage?
A. Nylon
B. Bakelite
C. Terylene
D. PVC
8 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
9 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
10 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products

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