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

00:00
Question # 1

What is the most common catalyst used in hydrogenation of oils

Question # 2

(CH2O)nis general formula for

Question # 3

Two vitamins absorbed from intestine along with fats are

Question # 4

Which of the following is not present in nucleotide?

Question # 5

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

Question # 6

Which of the following is a molecular diseases?

Question # 7

Cotton has cellulose in it:

Question # 8

Which one of the following is a water soluble vitamin

Question # 9

Purine derivative among the following bases is

Question # 10

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 11

Which carbohydrates is an essential constituent of plant cells?

Question # 12

Which of the following is the repeating monomeric unit in cellulose

Question # 13

What is not true about DNA

Question # 14

Which of the following polymers is used for weather resistant paints

Question # 15

Which of the following statements is incorrect about vitamins

Question # 16

Plastics are a pollution problem because many plastics

Question # 17

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 # 18

Naturally occurring lipids are called

Question # 19

Monosaccharides belong to the group

Question # 20

Which of these polymers is a synthetic polymer?

Question # 21

Two or more similar monomers combine to form:

Question # 22

Polymer formation from monomers starts by

Question # 23

Which of the following is a biodegradable polymer?

Question # 24

Which one of the following is a water soluble vitamin

Question # 25

In fructose the possible optical isomers are

Question # 26

Which of the following is not present in RNA?

Question # 27

A nucleoside may be

Question # 28

Which one of the following is the most abundant organic substance found in nature

Question # 29

C6H12O6 is molecualr formula of:

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
2 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
3 Which is not a steroid
A. Cholesterol
B. Ergosterol
C. Phospholipids
D. None of these
4 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
5 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
6 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
7 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
8 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
9 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
10 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None

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