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

The reaction between fat and NaOH is called:

Question # 2

How is the secondary structure of protein stabilized

Question # 3

C6H12O6 is molecualr formula of:

Question # 4

Cotton is ______% cellulose

Question # 5

Glyptal polymer is obtained from glycerol on reacting with

Question # 6

Polyester resins have special use in:

Question # 7

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

Question # 8

The simplest separating unit of a polymer is called:

Question # 9

Enzymes are chemically

Question # 10

Vegetable oils are

Question # 11

Which of the following is a constituent of nylon?

Question # 12

Which is not an enzyme

Question # 13

Glycogen is stored in

Question # 14

Teflon, styron and neoprene are all

Question # 15

The metal present in blood is

Question # 16

Orlon is a polymer of

Question # 17

The digestion of fats in the intestines is aided by

Question # 18

Naturally occurring lipids are called

Question # 19

Plastics are a pollution problem because many plastics

Question # 20

Monosaccharides are

Question # 21

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 22

Which of the following is not an example of addition polymer?

Question # 23

The development of disagreeable odur in fats or oil is called

Question # 24

The product of addition polymerization reaction is

Question # 25

Which of the following fibres are made of polyamides?

Question # 26

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

Question # 27

Purines include

Question # 28

The fiber which is made from acrylonitrile as monomer:

Question # 29

DNA has deoxyribose, a base and the third component is

Question # 30

Which is not a steroid

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
2 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC
3 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
4 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
5 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
6 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
7 Which of the following is the repeating monomeric unit in cellulose
A. Sucrose
B. Maltose
C. Cellobiose
D. Glucose
8 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
9 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
10 Which of the following is fully fluorinated polymer?
A. Neoprene
B. Teflon
C. Thiokol
D. PVC

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