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

Natural rubber is a polymer of

Question # 2

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 3

Which of the following polymers is used for weather resistant paints

Question # 4

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 5

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 6

Glycogen is stored in

Question # 7

Which is the polymer that has amide linkage in its structure

Question # 8

Which one of the following is a water soluble vitamin

Question # 9

Which of the following is obtained by condensation polymerization?

Question # 10

Which of the following is an example of ketohexose?

Question # 11

The reaction between fat and NaOH is called:

Question # 12

C6H12O6 is molecualr formula of:

Question # 13

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

Question # 14

Enzymes are chemically

Question # 15

The simplest separating unit of a polymer is called:

Question # 16

Enzymes are

Question # 17

Glyptal polymer is obtained from glycerol on reacting with

Question # 18

Protein are classified into

Question # 19

Which of these polymers is a synthetic polymer

Question # 20

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

Question # 21

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

Question # 22

Ascorbic acid is a chemical name of

Question # 23

The reaction between fat and NaOH is called

Question # 24

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

Question # 25

One of the followings is not type of polymer

Question # 26

Which has maximum protein content?

Question # 27

Cellulose does:

Question # 28

Peptide bond is a key feature in

Question # 29

Hydrolysis of sucrose is called

Question # 30

An example of water soluble vitamin is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
2 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification
3 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
4 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
5 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
6 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein
7 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
8 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
9 DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide
A. Phosphate group
B. Deoxy ribose sugar
C. Uracil base
D. Adenine base
10 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine

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