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 is the polymer that has amide linkage in its structure

Question # 2

Vegetables oils are:

Question # 3

Which of the following is fully fluorinated polymer?

Question # 4

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 # 5

C6H12O6 is molecualr formula of:

Question # 6

Which of these polymers is a synthetic polymer?

Question # 7

Orlon is a polymer of

Question # 8

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

Question # 9

Naturally occurring lipids are called

Question # 10

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 11

What is not true about DNA

Question # 12

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

Question # 13

Which functional group is present in glycerol tristearate

Question # 14

Protein may have

Question # 15

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

Question # 16

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

Question # 17

Activity of the enzyme is reduced by

Question # 18

DNA has deoxyribose, a base and the third component is

Question # 19

Which one is a polymer compound?

Question # 20

Monosaccharides are

Question # 21

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

Question # 22

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

Question # 23

The polymers which can be re-softened again and again are caled

Question # 24

The fibre which is made form acrylonitrile as monomer

Question # 25

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

Question # 26

Which one of the following is a water soluble vitamin

Question # 27

Which has maximum protein content?

Question # 28

The other name of cross linked polymers is

Question # 29

Which of the following is a molecular diseases?

Question # 30

The temp. and pressure used for PVC polymerization is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
2 Peptide bond is a key feature in
A. Polysaccharide
B. Proteins
C. Nucleotide
D. Vitamins
3 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
4 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
5 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
6 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
7 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
8 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
A. Fibre
B. Plastic
C. Varnish
D. Polyamide resin
9 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
10 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin

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