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

Hydrolysis of sucrose is called

Question # 2

The monomeric units of starch is/are

Question # 3

The main structure features of proteins is

Question # 4

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

Question # 5

On hydrolysis of starch, we finally get

Question # 6

Enzymes, in the living systems

Question # 7

Plastics are a pollution problem because many plastics

Question # 8

Which of the following is not present in nucleotide?

Question # 9

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

Question # 10

Activity of the enzyme is reduced by

Question # 11

Which is not a steroid

Question # 12

Glyptal polymer is obtained from glycerol on reacting with

Question # 13

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

Question # 14

Protein are classified into

Question # 15

Simple sugars are :

Question # 16

Synthetic polymer prepared from caprolactum is known is

Question # 17

An example of water soluble vitamin is

Question # 18

Monosaccharides and oligosacchradies are generally called as

Question # 19

Polymer formation from monomers starts by

Question # 20

Oxidation reduction is done by

Question # 21

Which of the following is a water soluble vetamin?

Question # 22

The reaction between fat and NaOH is called:

Question # 23

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

Question # 24

Among the following polymers, the strongest molecular forces are present in

Question # 25

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 26

Plastics are a pollution problem because many plastics

Question # 27

C6H12O6 is molecualr formula of:

Question # 28

In fructose the possible optical isomers are

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as
A. Biuret
B. Xanthoproteic test
C. Hopkins-cole
D. All of these
2 Which functional group is present in glycerol tristearate
A. Carboxylic acid
B. Alcohol
C. Aldehyde
D. Ester
3 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
4 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
5 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
6 Which is the polymer that has amide linkage in its structure
A. PVC
B. Poly ethene
C. Polyester
D. Nylon
7 Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer
A. Silk
B. Polyester
C. Polyvinyl chloride
D. Nylon
8 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
9 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
10 Enzymes are catalysts which contain other than carbon and hydrogen one other element
A. Oxygen
B. Sulphur
C. Phosphorus
D. Iodine

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