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

On hydrolysis of starch, we finally get

Question # 2

Glycine at pH7 has the structure

Question # 3

Soft drinks and baby feeding bottles are generally made up of

Question # 4

The stroids of fungi and yeast and yeast are called:

Question # 5

The temp. and pressure used for PVC polymerization is

Question # 6

Bakelite is obtained from phenol by reacting with

Question # 7

Which teat is not given by both glucose and fructose

Question # 8

Enzymes are

Question # 9

Which one is a polymer compound?

Question # 10

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

Question # 11

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 12

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

Question # 13

Activity of the enzyme is reduced by

Question # 14

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 15

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 16

The reaction between fat and NaOH is called

Question # 17

Sterols, vitamin D and terpenese belong to

Question # 18

Plastics are a pollution problem because many plastics

Question # 19

(CH2O)nis general formula for

Question # 20

The main structure features of proteins is

Question # 21

Which of the following is fully fluorinated polymer?

Question # 22

The raw material to form nylon is

Question # 23

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

Question # 24

Cotton has cellulose in it:

Question # 25

Ascorbic acid is a chemical name of

Question # 26

Which of the following is a molecular diseases?

Question # 27

Iodine value of an oil or fat may be defined as

Question # 28

Which of these polymers is an addition polymer

Question # 29

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

Question # 30

Which one of the following is not an example of chain growth polymer?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
2 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
3 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
4 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
5 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
6 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
7 Which of the following enzymes brings about the hydrolysis of fats?
A. Urease
B. Maltase
C. Zymase
D. Lypase
8 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
9 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
10 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14

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