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

Plastics are pollution problem because many plastics:

Question # 2

DNA has deoxyribose, a base and the third component is

Question # 3

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

Question # 4

Vitamin A is present in

Question # 5

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

Question # 6

Two or more similar monomers combine to form:

Question # 7

C6H12O6 is molecualr formula of:

Question # 8

Sterols, vitamin D and terpenese belong to

Question # 9

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

Question # 10

Ricket is caused due to the deficiency of vitamin

Question # 11

Which carbohydrates is an essential constituent of plant cells?

Question # 12

When a nitrogeneous base combine with a sugar it is called

Question # 13

Which of the following brings about the conversion of starch into maltose

Question # 14

Purines include

Question # 15

Purine derivative among the following bases is

Question # 16

Orlon is a polymer of

Question # 17

Vegetable oils are

Question # 18

Vegetable oils are

Question # 19

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

Question # 20

Which of the following is a constituent of nylon?

Question # 21

Which behaves as insulator for animals body?

Question # 22

At what pH glycine shows the structure H3N+-- CH2-- COOH

Question # 23

The substance upon which an enzyme acts is known as its

Question # 24

Glyptal polymer is obtained from glycerol on reacting with

Question # 25

β-D-glucose is a monomer for

Question # 26

Substances that render enzymes catalytically inactive are called

Question # 27

Polyester resins have special use in:

Question # 28

In macromolecules DP stands for

Question # 29

In fructose the possible optical isomers are

Question # 30

Glycine at pH7 has the structure

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids
2 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
3 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
4 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
5 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
6 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
7 A nucleoside may be
A. Ribonuleoside
B. Deoxyribonucleoside
C. Both a and b
D. None
8 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
9 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
10 Which is not a steroid
A. Cholesterol
B. Ergosterol
C. Phospholipids
D. None of these

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