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 a constituent of nylon?

Question # 2

A nucleoside may be

Question # 3

Which functional group is present in glycerol tristearate

Question # 4

The disaccharide present in milk is

Question # 5

The development of disagreeable odur in fats or oil is called

Question # 6

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 7

The substance upon which an enzyme acts is known as its

Question # 8

Peptide bond is a key feature in

Question # 9

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

Question # 10

Synthetic polymer prepared from caprolactum is known is

Question # 11

Which of the following is a polyamide?

Question # 12

The stroids of fungi and yeast and yeast are called:

Question # 13

Which of these polymers is a synthetic polymer

Question # 14

Factors affecting denaturation of proteins:

Question # 15

Which of the following is an example of ketohexose?

Question # 16

Purine derivative among the following bases is

Question # 17

Plastics are a pollution problem because many plastics

Question # 18

Cellulose does:

Question # 19

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

Question # 20

β-D-glucose is a monomer for

Question # 21

The prosthetic group in glycoprotein is

Question # 22

Which of the following is the repeating monomeric unit in cellulose

Question # 23

Glycine at pH7 has the structure

Question # 24

One of the followings is not type of polymer

Question # 25

The temp. and pressure used for PVC polymerization is

Question # 26

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 27

Which of the following is a water soluble vetamin?

Question # 28

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

Question # 29

Which of the following is a molecular diseases?

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
2 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
3 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
4 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
5 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
6 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
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 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
9 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
10 A nucleoside may be
A. Ribonuleoside
B. Deoxyribonucleoside
C. Both a and b
D. None

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