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 the following polymers is used for weather resistant paints

Question # 2

The simplest separating unit of a polymer is called:

Question # 3

Naturally occurring lipids are called

Question # 4

Polysaccharides are also called

Question # 5

Plastics are pollution problem because many plastics:

Question # 6

In fructose the possible optical isomers are

Question # 7

Which is not an enzyme

Question # 8

Plastics are a pollution problem because many plastics

Question # 9

Glycogen is stored in

Question # 10

The prosthetic group in glycoprotein is

Question # 11

Which of the following is a biodegradable polymer?

Question # 12

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

Question # 13

Two or more similar monomers combine to form:

Question # 14

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

Question # 15

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

Question # 16

A polymer may be

Question # 17

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 18

Activity of the enzyme is reduced by

Question # 19

Which of the following is a polyamide?

Question # 20

A fibre which is made from acrylonitrile as monomer

Question # 21

The fiber which is made from acrylonitrile as monomer:

Question # 22

Which property is not present in lipids?

Question # 23

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

Question # 24

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

Question # 25

In macromolecules DP stands for

Question # 26

Which is the polymer that has amide linkage in its structure

Question # 27

β-D-glucose is a monomer for

Question # 28

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

Question # 29

Which of the following is the repeating monomeric unit in cellulose

Question # 30

Which of the following is not present in RNA?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
2 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
3 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC
4 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
5 Which is not a steroid
A. Cholesterol
B. Ergosterol
C. Phospholipids
D. None of these
6 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
7 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
8 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
9 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
10 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion

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