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

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 # 2

Which of the following is not present in nucleotide?

Question # 3

Oxidation reduction is done by

Question # 4

Polyester resins have special use in:

Question # 5

Soft drinks and baby feeding bottles are generally made up of

Question # 6

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 7

Of the following which is a step growth polymer

Question # 8

Vitamin A is present in

Question # 9

Enzymes are chemically

Question # 10

Nylon, 6,6 is a condensation polymer of

Question # 11

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

Question # 12

Simple sugars are :

Question # 13

The fibre which is made form acrylonitrile as monomer

Question # 14

Glycine at pH7 has the structure

Question # 15

The group linkage present in fats is

Question # 16

Enzymes are

Question # 17

When a nitrogeneous base combine with a sugar it is called

Question # 18

Which is the derived lipid?

Question # 19

Plastics are a pollution problem because many plastics

Question # 20

Monosaccharides and oligosacchradies are generally called as

Question # 21

Which of these polymers is an addition polymer

Question # 22

Which of these polymers is a synthetic polymer

Question # 23

Polymer formation from monomers starts by

Question # 24

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

Question # 25

What is the most common catalyst used in hydrogenation of oils

Question # 26

Two vitamins absorbed from intestine along with fats are

Question # 27

Which of the following is a water soluble vetamin?

Question # 28

Which of the following fibres are made of polyamides?

Question # 29

Glyptal polymer is obtained from glycerol on reacting with

Question # 30

Which of the following brings about the conversion of starch into maltose

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
2 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
3 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
4 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
5 Enzymes are catalysts which contain other than carbon and hydrogen one other element
A. Oxygen
B. Sulphur
C. Phosphorus
D. Iodine
6 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
7 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine
8 Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer
A. Silk
B. Polyester
C. Polyvinyl chloride
D. Nylon
9 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
10 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell

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