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

Simple sugars are :

Question # 2

Which of these polymers is an addition polymer

Question # 3

The raw material to form nylon is

Question # 4

Which of the following fibres are made of polyamides?

Question # 5

A fibre which is made from acrylonitrile as monomer

Question # 6

Glyptal polymer is obtained from glycerol on reacting with

Question # 7

In fructose the possible optical isomers are

Question # 8

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

Question # 9

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

Question # 10

When a nitrogeneous base combine with a sugar it is called

Question # 11

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 12

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 13

A polymer may be

Question # 14

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

Question # 15

Which of the following is not a synthetic polymer?

Question # 16

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 17

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

Question # 18

Terylene is madeby polymerization of terephthalic acid with

Question # 19

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

Question # 20

Glycine at pH7 has the structure

Question # 21

(CH2O)nis general formula for

Question # 22

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

Question # 23

Purine derivative among the following bases is

Question # 24

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 # 25

The fibre which is made form acrylonitrile as monomer

Question # 26

The product of addition polymerization reaction is

Question # 27

Natural rubber is a polymer of

Question # 28

The other name of cross linked polymers is

Question # 29

Which of the following is an example of ketohexose?

Question # 30

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

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Sr.# Question Answer
1 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these
2 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
3 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
4 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these
5 Monosaccharides and oligosacchradies are generally called as
A. Crystals
B. Sugars
C. Liquids
D. Non-sugars
6 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
7 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
8 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant
9 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene
10 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
11 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
12 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin
13 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glyccerides of saturated fatty acids
D. Essential oils obtained from plants
14 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
15 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
16 Protein are classified into
A. Simple protein
B. Complex protein
C. Derived proteins
D. All of these
17 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein
18 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
19 The simplest separating unit of a polymer is called:
A. Monomer
B. Dimer
C. Trimmer
D. Macromer
20 Which of the following is a molecular diseases?
A. Allergy
B. Cancer
C. German measles
D. Sickle cell anemia
21 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
22 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
23 Two vitamins absorbed from intestine along with fats are
A. A, D
B. A, B
C. A, C
D. D, B
24 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
25 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
26 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
27 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
28 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
29 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
30 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre

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