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

When a nitrogeneous base combine with a sugar it is called

Question # 2

Which one of the following statements of glucose and sucrose is incorrect?

Question # 3

Which of the following is a biodegradable polymer?

Question # 4

The disaccharide present in milk is

Question # 5

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

Question # 6

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

Question # 7

Which of the following has ester linkage?

Question # 8

Which is the polymer that has amide linkage in its structure

Question # 9

What is not true about DNA

Question # 10

Which of the following is a constituent of nylon?

Question # 11

Which functional group is present in glycerol tristearate

Question # 12

Plastics are a pollution problem because many plastics

Question # 13

Which has maximum protein content?

Question # 14

Which of the following has magnesium?

Question # 15

Which of these polymers is a synthetic polymer

Question # 16

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 17

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 18

Enzymes are

Question # 19

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

Question # 20

Which one of the following is a water soluble vitamin

Question # 21

Cellulose does:

Question # 22

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

Question # 23

Which of the following statements is incorrect about vitamins

Question # 24

Which of these polymers is an addition polymer

Question # 25

A nucleoside may be

Question # 26

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 # 27

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

Question # 28

Ascorbic acid is a chemical name of

Question # 29

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

Question # 30

The development of disagreeable odur in fats or oil is called

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
2 The metal present in blood is
A. Al
B. Hg
C. Cu
D. Fe
3 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
4 Which of the following fibres are made of polyamides?
A. Dacron
B. Orlon
C. Nylon
D. Rayon
5 The reaction between fat and NaOH is called:
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Sponification
6 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
7 Polymer formation from monomers starts by
A. Condensation reaction between monomers
B. Coordination reaction between monomers
C. Conversion of monomer to monomer ions by protons
D. Hydrolysis of monomers
8 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
9 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
10 Which of the following has ester linkage?
A. Nylon
B. Bakelite
C. Terylene
D. PVC

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