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

Which of the following fibres are made of polyamides?

Question # 2

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 # 3

Ricket is caused due to the deficiency of vitamin

Question # 4

Peptide bond is a key feature in

Question # 5

Plastics are pollution problem because many plastics:

Question # 6

Of the following which is a step growth polymer

Question # 7

Which of the following is a water soluble vetamin?

Question # 8

Which of the following is the repeating monomeric unit in cellulose

Question # 9

Enzymes, in the living systems

Question # 10

An oil or fat with no double bond have iodine number:

Question # 11

Which of these polymers is an addition polymer

Question # 12

Vegetables oils are:

Question # 13

Two or more similar monomers combine to form:

Question # 14

The fibre which is made form acrylonitrile as monomer

Question # 15

The metal present in blood is

Question # 16

Simple sugars are :

Question # 17

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 18

(CH2O)nis general formula for

Question # 19

Cellulose does:

Question # 20

In which of these processes are smell organic molecules made into macromolecules?

Question # 21

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

Question # 22

Which of the following is a molecular diseases?

Question # 23

In macromolecules DP stands for

Question # 24

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

Question # 25

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

Question # 26

Polymer formation from monomers starts by

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Enzymes are chemically

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
2 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
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 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification
5 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
6 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
7 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
8 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
9 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
10 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these

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