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

Bakelite is obtained from phenol by reacting with

Question # 2

Which polymerization is free radical machanism based

Question # 3

Monosaccharides are

Question # 4

The disaccharide present in milk is

Question # 5

Enzymes, in the living systems

Question # 6

Which of the following has magnesium?

Question # 7

The raw material to form nylon is

Question # 8

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

Question # 9

Molar mass of high molecular w.f. polymers ranges from:

Question # 10

Of the following which is a step growth polymer

Question # 11

The other name of cross linked polymers is

Question # 12

The prosthetic group in glycoprotein is

Question # 13

The simplest separating unit of a polymer is called:

Question # 14

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

Question # 15

Cotton has cellulose in it:

Question # 16

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

Question # 17

Which carbohydrates is an essential constituent of plant cells?

Question # 18

An example of water soluble vitamin is

Question # 19

Glycine at pH7 has the structure

Question # 20

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 21

Which of the following is not present in nucleotide?

Question # 22

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

Question # 23

Two vitamins absorbed from intestine along with fats are

Question # 24

Simple sugars are :

Question # 25

The product of addition polymerization reaction is

Question # 26

Major food factors are:

Question # 27

The fibre which is made form acrylonitrile as monomer

Question # 28

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

Question # 29

Vegetable oils are

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
2 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
3 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
4 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
5 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
6 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
7 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
8 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
9 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
10 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose

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