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 one of the following enzymes brings about the hydrolysis of fats

Question # 2

Which is not a steroid

Question # 3

Copolymer is

Question # 4

Which of these polymers is a synthetic polymer?

Question # 5

In fructose the possible optical isomers are

Question # 6

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

Question # 7

The group linkage present in fats is

Question # 8

Purine derivative among the following bases is

Question # 9

Which of the following is not present in nucleotide?

Question # 10

Which is a protein?

Question # 11

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 12

Glycogen is stored in

Question # 13

C6H12O6 is molecualr formula of:

Question # 14

On hydrolysis of starch, we finally get

Question # 15

Which of the following is an example of ketohexose?

Question # 16

Which one of the following is a water soluble vitamin

Question # 17

A condensation polymer among the following is

Question # 18

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

Question # 19

Cotton is ______% cellulose

Question # 20

Which carbohydrates is an essential constituent of plant cells?

Question # 21

Terylene is madeby polymerization of terephthalic acid with

Question # 22

How is the secondary structure of protein stabilized

Question # 23

Glycine at pH7 has the structure

Question # 24

Molar mass of high molecular w.f. polymers ranges from:

Question # 25

Which of the following is not a synthetic polymer?

Question # 26

Vegetable oils are

Question # 27

The main structure features of proteins is

Question # 28

DNA has deoxyribose, a base and the third component is

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The metal present in blood is
A. Al
B. Hg
C. Cu
D. Fe
2 Which one of the following statements of glucose and sucrose is incorrect?
A. Both are soluble in water
B. Both are naturally occuring
C. Both are carbohydrates
D. Both are disaccharides
3 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
4 Protein may have
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these
5 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these
6 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
7 Glycogen is stored in
A. Animals
B. Plants
C. Soil
D. None of these
8 Which of the following is not present in RNA?
A. Uracil
B. Thymine
C. Ribose
D. Phosphate
9 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
10 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

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