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

An example of water soluble vitamin is

Question # 3

One of the followings is not type of polymer

Question # 4

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

Question # 5

In which of these processes are smell organic molecules made into macromolecules?

Question # 6

The reaction between fat and NaOH is called

Question # 7

The fiber which is made from acrylonitrile as monomer:

Question # 8

Which one of the following is a water soluble vitamin

Question # 9

The proteins which are derived by conjugated proteins are called as

Question # 10

Which of these polymers is an addition polymer

Question # 11

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

Question # 12

Substances that render enzymes catalytically inactive are called

Question # 13

The product of addition polymerization reaction is

Question # 14

A polymer may be

Question # 15

Enzymes are

Question # 16

Of the following which is a step growth polymer

Question # 17

The simplest separating unit of a polymer is called:

Question # 18

Which of the following is obtained by condensation polymerization?

Question # 19

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

Question # 20

The fibre which is made form acrylonitrile as monomer

Question # 21

Monosaccharides are

Question # 22

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

Question # 23

Which of the following has ester linkage?

Question # 24

Vegetables oils are:

Question # 25

Plastics are a pollution problem because many plastics

Question # 26

An oil or fat with no double bond have iodine number:

Question # 27

The main structure features of proteins is

Question # 28

The monomeric units of starch is/are

Question # 29

The temp. and pressure used for PVC polymerization is

Question # 30

Terylene is madeby polymerization of terephthalic acid with

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
2 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
3 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
4 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
5 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
6 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein
7 Which is the polymer that has amide linkage in its structure
A. PVC
B. Poly ethene
C. Polyester
D. Nylon
8 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
9 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
10 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur

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