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

Question # 2

Cotton has cellulose in it:

Question # 3

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:

Question # 4

Which of the following has magnesium?

Question # 5

Hydrolysis of sucrose is called

Question # 6

Oxidation reduction is done by

Question # 7

Monosaccharides belong to the group

Question # 8

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 9

Plastics are a pollution problem because many plastics

Question # 10

The group linkage present in fats is

Question # 11

The simplest separating unit of a polymer is called:

Question # 12

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

Question # 13

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 # 14

Activity of the enzyme is reduced by

Question # 15

Polymer formation from monomers starts by

Question # 16

Which has maximum protein content?

Question # 17

Which of the following fibres are made of polyamides?

Question # 18

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

Question # 19

Which one is a polymer compound?

Question # 20

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

Question # 21

Which of the following is not present in RNA?

Question # 22

The metal present in blood is

Question # 23

Which of the following is fully fluorinated polymer?

Question # 24

The temp. and pressure used for PVC polymerization is

Question # 25

Factors affecting denaturation of proteins:

Question # 26

The monomeric units of starch is/are

Question # 27

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

Question # 28

Cellulose does:

Question # 29

The stroids of fungi and yeast and yeast are called:

Question # 30

Which is a protein?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein
2 Simple sugars are :
A. Monosaccharides
B. Disaccharides
C. Oligo saccharides
D. Trisaccharides
3 The fiber which is made from acrylonitrile as monomer:
A. PVC
B. Rayon Fiber
C. Acrylic fiber
D. Polyester fiber
4 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
5 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
6 Which of the following is not present in RNA?
A. Uracil
B. Thymine
C. Ribose
D. Phosphate
7 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
8 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
9 Which of the following is not an example of addition polymer?
A. Polyethene
B. Polystyrene
C. Neoprene
D. Terylene
10 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin

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