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

Which of the following is not present in RNA?

Question # 2

Peptide bond is a key feature in

Question # 3

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

Question # 4

How is the secondary structure of protein stabilized

Question # 5

What is the most common catalyst used in hydrogenation of oils

Question # 6

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

Question # 7

Which of the following is an example of ketohexose?

Question # 8

Monosaccharides belong to the group

Question # 9

Substances that render enzymes catalytically inactive are called

Question # 10

The polymers which can be re-softened again and again are caled

Question # 11

Ascorbic acid is a chemical name of

Question # 12

(CH2O)nis general formula for

Question # 13

The protein which only yield amino acids and their derivatives

Question # 14

Protein are classified into

Question # 15

In fructose the possible optical isomers are

Question # 16

Plastics are a pollution problem because many plastics

Question # 17

Purines include

Question # 18

Vegetable oils are

Question # 19

A polymer may be

Question # 20

One of the followings is not type of polymer

Question # 21

Plastics are a pollution problem because many plastics

Question # 22

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

Question # 23

Which one of the following is the most abundant organic substance found in nature

Question # 24

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

Question # 25

Polymer formation from monomers starts by

Question # 26

Which of these polymers is an addition polymer

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Terylene is madeby polymerization of terephthalic acid with

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
2 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
3 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
4 Protein are classified into
A. Simple protein
B. Complex protein
C. Derived proteins
D. All of these
5 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
6 Two vitamins absorbed from intestine along with fats are
A. A, D
B. A, B
C. A, C
D. D, B
7 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
8 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
9 Which functional group is present in glycerol tristearate
A. Carboxylic acid
B. Alcohol
C. Aldehyde
D. Ester
10 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein

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