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

One of the followings is not type of polymer

Question # 2

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

Question # 3

Glycine at pH7 has the structure

Question # 4

Which of these polymers is a synthetic polymer?

Question # 5

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

Question # 6

Which of the following is a constituent of nylon?

Question # 7

Plastics are pollution problem because many plastics:

Question # 8

Which of the following has magnesium?

Question # 9

Which of the following is not an example of addition polymer?

Question # 10

Which of the following is not present in RNA?

Question # 11

The digestion of fats in the intestines is aided by

Question # 12

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

Question # 13

Which of the following is not present in nucleotide?

Question # 14

Monosaccharides belong to the group

Question # 15

Glycogen is stored in

Question # 16

Orlon is a polymer of

Question # 17

A nucleoside may be

Question # 18

Terylene is madeby polymerization of terephthalic acid with

Question # 19

Which is not an enzyme

Question # 20

Protein may have

Question # 21

Enzymes are chemically

Question # 22

Which of the following is an example of ketohexose?

Question # 23

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 24

Plastics are a pollution problem because many plastics

Question # 25

A polymer may be

Question # 26

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

Question # 27

When a nitrogeneous base combine with a sugar it is called

Question # 28

The product of addition polymerization reaction is

Question # 29

Which of these polymers is an addition polymer

Question # 30

Cellulose does:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
3 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
4 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
5 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
6 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
7 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
8 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC
9 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
A. Fibre
B. Plastic
C. Varnish
D. Polyamide resin
10 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene

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