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

Substances that render enzymes catalytically inactive are called

Question # 2

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

Question # 3

Vitamin A is present in

Question # 4

The reaction between fat and NaOH is called

Question # 5

Cellulose does:

Question # 6

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 7

The other name of cross linked polymers is

Question # 8

Which of the following is a water soluble vetamin?

Question # 9

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

Question # 10

Which one is a polymer compound?

Question # 11

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

Question # 12

Monosaccharides belong to the group

Question # 13

How is the secondary structure of protein stabilized

Question # 14

Which of the following is not present in nucleotide?

Question # 15

Polymer formation from monomers starts by

Question # 16

Which of the following is not a synthetic polymer?

Question # 17

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

Question # 18

Monosaccharides and oligosacchradies are generally called as

Question # 19

Which of the following polymers is used for weather resistant paints

Question # 20

A polymer may be

Question # 21

The monomeric units of starch is/are

Question # 22

Copolymer is

Question # 23

Which one of the following is a water soluble vitamin

Question # 24

Sterols, vitamin D and terpenese belong to

Question # 25

Major food factors are:

Question # 26

The fiber which is made from acrylonitrile as monomer:

Question # 27

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

Question # 28

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

Question # 29

Which property is not present in lipids?

Question # 30

Which of the following has ester linkage?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
2 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
3 Which of the following fibres are made of polyamides?
A. Dacron
B. Orlon
C. Nylon
D. Rayon
4 RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA
A. D-Ribose
B. Wracil base
C. Prosphate group
D. Thyamine base
5 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide
6 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
7 Ricket is caused due to the deficiency of vitamin
A. A
B. D
C. B
D. E
8 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
9 Protein may have
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these
10 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration

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