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

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

Question # 2

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a

Question # 3

Bakelite is obtained from phenol by reacting with

Question # 4

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

Question # 5

Purines include

Question # 6

The stroids of fungi and yeast and yeast are called:

Question # 7

How is the secondary structure of protein stabilized

Question # 8

The reaction between fat and NaOH is called

Question # 9

Which of the following polymers is used for weather resistant paints

Question # 10

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

Question # 11

Plastics are pollution problem because many plastics:

Question # 12

Protein are classified into

Question # 13

One of the followings is not type of polymer

Question # 14

Which of these polymers is an addition polymer

Question # 15

The development of disagreeable odur in fats or oil is called

Question # 16

On hydrolysis of starch, we finally get

Question # 17

For every reaction occurring in the body three is at least one type of

Question # 18

Monosaccharides belong to the group

Question # 19

The raw material to form nylon is

Question # 20

Plastics are a pollution problem because many plastics

Question # 21

Glycogen is stored in

Question # 22

Which teat is not given by both glucose and fructose

Question # 23

Vegetables oils are:

Question # 24

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

Question # 25

Ascorbic acid is a chemical name of

Question # 26

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

Question # 27

Polyester resins have special use in:

Question # 28

Which one of the following is a water soluble vitamin

Question # 29

Which of the following has magnesium?

Question # 30

Factors affecting denaturation of proteins:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
2 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
3 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
4 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
5 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
6 Which is not a steroid
A. Cholesterol
B. Ergosterol
C. Phospholipids
D. None of these
7 Protein are classified into
A. Simple protein
B. Complex protein
C. Derived proteins
D. All of these
8 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
9 The clotting time of blood is increased due to the deficiency of
A. Vitamin A
B. Vitamin K
C. Vitamin D
D. Vitamin C
10 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None

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