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 statements is incorrect about vitamins

Question # 2

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 # 3

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

Question # 4

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 5

The number of amino acids found in proteins that a human body can synthesize is

Question # 6

Which of these polymers is a synthetic polymer?

Question # 7

Among the following polymers, the strongest molecular forces are present in

Question # 8

Monosaccharides and oligosacchradies are generally called as

Question # 9

On hydrolysis of starch, we finally get

Question # 10

Which of the following is obtained by condensation polymerization?

Question # 11

Enzymes, in the living systems

Question # 12

Teflon, styron and neoprene are all

Question # 13

Synthetic polymer prepared from caprolactum is known is

Question # 14

The digestion of fats in the intestines is aided by

Question # 15

Enzymes are

Question # 16

Which one is a polymer compound?

Question # 17

Purine derivative among the following bases is

Question # 18

Which carbohydrates is an essential constituent of plant cells?

Question # 19

An example of water soluble vitamin is

Question # 20

How is the secondary structure of protein stabilized

Question # 21

Natural rubber is a polymer of

Question # 22

(CH2O)nis general formula for

Question # 23

Which of the following brings about the conversion of starch into maltose

Question # 24

Factors affecting denaturation of proteins:

Question # 25

Which one of the following is a water soluble vitamin

Question # 26

Vitamin A is present in

Question # 27

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

Question # 28

The reaction between fat and NaOH is called

Question # 29

Iodine value of an oil or fat may be defined as

Question # 30

Which is not a steroid

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein
2 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12
3 Vitamin A is present in
A. Liver
B. Milk
C. Green vegetables
D. All
4 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
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 Polymer formation from monomers starts by
A. Condensation reaction between monomers
B. Coordination reaction between monomers
C. Conversion of monomer to monomer ions by protons
D. Hydrolysis of monomers
7 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
8 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
9 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
10 Molar mass of high molecular w.f. polymers ranges from:
A. 1000 to 10000
B. 10000 to 100000
C. 100000 to 1000000
D. 1000 to 100000000

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