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 of the following is an example of ketohexose?

Question # 2

Which of the following statements is incorrect about vitamins

Question # 3

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 # 4

One of the followings is not type of polymer

Question # 5

The development of disagreeable odur in fats or oil is called

Question # 6

Protein may have

Question # 7

The simplest separating unit of a polymer is called:

Question # 8

Terylene is madeby polymerization of terephthalic acid with

Question # 9

Which is a protein?

Question # 10

A polymer may be

Question # 11

(CH2O)nis general formula for

Question # 12

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

Question # 13

Vegetable oils are

Question # 14

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

Question # 15

Which of the following is a constituent of nylon?

Question # 16

DNA has deoxyribose, a base and the third component is

Question # 17

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

Question # 18

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

Question # 19

The protein which only yield amino acids and their derivatives

Question # 20

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

Question # 21

When a nitrogeneous base combine with a sugar it is called

Question # 22

Glycine at pH7 has the structure

Question # 23

Bakelite is a product formed form

Question # 24

Natural rubber is a polymer of

Question # 25

The fiber which is made from acrylonitrile as monomer:

Question # 26

Enzymes are

Question # 27

Which has maximum protein content?

Question # 28

The temp. and pressure used for PVC polymerization is

Question # 29

Which is not an enzyme

Question # 30

Which of the following is a polyamide?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is a polyamide?
A. Nylon
B. Orlon
C. Teflon
D. Terylene
2 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
3 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
4 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
5 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine
6 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
7 The prosthetic group in glycoprotein is
A. Carbohydrate
B. Fat
C. Vitamin
D. Nucleic acid
8 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
9 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
10 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these

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