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

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 # 2

Which of the following has magnesium?

Question # 3

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

Question # 4

Naturally occurring lipids are called

Question # 5

How is the secondary structure of protein stabilized

Question # 6

A fibre which is made from acrylonitrile as monomer

Question # 7

Which of these polymers is a synthetic polymer?

Question # 8

The substance upon which an enzyme acts is known as its

Question # 9

Synthetic polymer prepared from caprolactum is known is

Question # 10

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

Question # 11

Major food factors are:

Question # 12

The monomeric units of starch is/are

Question # 13

Which behaves as insulator for animals body?

Question # 14

Vegetable oils are

Question # 15

Which is not an enzyme

Question # 16

Which of these polymers is an addition polymer

Question # 17

Which of the following is a water soluble vetamin?

Question # 18

Vegetable oils are

Question # 19

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

Question # 20

Ascorbic acid is a chemical name of

Question # 21

An example of water soluble vitamin is

Question # 22

The fibre which is made form acrylonitrile as monomer

Question # 23

The product of addition polymerization reaction is

Question # 24

Terylene is madeby polymerization of terephthalic acid with

Question # 25

The fiber which is made from acrylonitrile as monomer:

Question # 26

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 27

The temp. and pressure used for PVC polymerization is

Question # 28

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

Question # 29

Which of the following is not present in nucleotide?

Question # 30

Which of these polymers is a synthetic polymer

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
2 Enzymes are catalysts which contain other than carbon and hydrogen one other element
A. Oxygen
B. Sulphur
C. Phosphorus
D. Iodine
3 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
4 The other name of cross linked polymers is
A. Linear polymer
B. Branched polymer
C. Inter connected polymers
D. None of these
5 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
6 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
7 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
8 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
9 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
10 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide

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