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

Two or more similar monomers combine to form:

Question # 2

Naturally occurring lipids are called

Question # 3

The main structure features of proteins is

Question # 4

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

Question # 5

Iodine value of an oil or fat may be defined as

Question # 6

Vitamin A is present in

Question # 7

In which of these processes are smell organic molecules made into macromolecules?

Question # 8

The product of addition polymerization reaction is

Question # 9

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

Question # 10

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

Question # 11

Which of these polymers is an addition polymer?

Question # 12

Purines include

Question # 13

Which of the following is a molecular diseases?

Question # 14

In macromolecules DP stands for

Question # 15

Enzymes are chemically

Question # 16

Substances that render enzymes catalytically inactive are called

Question # 17

Polysaccharides are also called

Question # 18

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

Question # 19

Which of the following is obtained by condensation polymerization?

Question # 20

Monosaccharides are

Question # 21

Among the following polymers, the strongest molecular forces are present in

Question # 22

The reaction between fat and NaOH is called:

Question # 23

Vegetables oils are:

Question # 24

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 25

The group linkage present in fats is

Question # 26

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

Question # 27

The disaccharide present in milk is

Question # 28

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

Question # 29

Major food factors are:

Question # 30

For every reaction occurring in the body three is at least one type of

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin
2 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
3 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
4 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
5 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
6 Which is the polymer that has amide linkage in its structure
A. PVC
B. Poly ethene
C. Polyester
D. Nylon
7 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
8 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
9 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
10 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine

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