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 is a water soluble vitamin

Question # 2

Orlon is a polymer of

Question # 3

Which of these polymers is a synthetic polymer?

Question # 4

Sterols, vitamin D and terpenese belong to

Question # 5

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

Question # 6

Vegetable oils are

Question # 7

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

Question # 8

Which carbohydrates is an essential constituent of plant cells?

Question # 9

Plastics are a pollution problem because many plastics

Question # 10

Cotton has cellulose in it:

Question # 11

A condensation polymer among the following is

Question # 12

Teflon, styron and neoprene are all

Question # 13

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

Question # 14

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 # 15

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

Question # 16

Which is a protein?

Question # 17

Which of the following statements is incorrect about vitamins

Question # 18

The disaccharide present in milk is

Question # 19

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

Question # 20

The product of addition polymerization reaction is

Question # 21

Activity of the enzyme is reduced by

Question # 22

Protein may have

Question # 23

Glycine at pH7 has the structure

Question # 24

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

Question # 25

Two vitamins absorbed from intestine along with fats are

Question # 26

Which is the polymer that has amide linkage in its structure

Question # 27

Which functional group is present in glycerol tristearate

Question # 28

The raw material to form nylon is

Question # 29

Peptide bond is a key feature in

Question # 30

(CH2O)nis general formula for

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
2 Oxidation reduction is done by
A. Oxidoreductase
B. Lipases
C. Lyase
D. None of these
3 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
4 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
5 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
6 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
7 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
8 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
9 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
10 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene

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