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 simplest separating unit of a polymer is called:

Question # 2

Which of these polymers is a synthetic polymer

Question # 3

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 4

Polymer formation from monomers starts by

Question # 5

Monosaccharides are

Question # 6

The clotting time of blood is increased due to the deficiency of

Question # 7

Glycine at pH7 has the structure

Question # 8

Major food factors are:

Question # 9

The reaction between fat and NaOH is called

Question # 10

Which of the following has magnesium?

Question # 11

Polysaccharides are also called

Question # 12

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

Question # 13

The stroids of fungi and yeast and yeast are called:

Question # 14

Which of the following is a molecular diseases?

Question # 15

Enzymes, in the living systems

Question # 16

Which one of the following is a water soluble vitamin

Question # 17

One of the followings is not type of polymer

Question # 18

Terylene is madeby polymerization of terephthalic acid with

Question # 19

Which of these polymers is an addition polymer?

Question # 20

Simple sugars are :

Question # 21

What is not true about DNA

Question # 22

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

Question # 23

Which one of the following is a water soluble vitamin

Question # 24

Which of these polymers is an addition polymer

Question # 25

Which of the following is not a synthetic polymer?

Question # 26

Enzymes are chemically

Question # 27

The other name of cross linked polymers is

Question # 28

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

Question # 29

Plastics are a pollution problem because many plastics

Question # 30

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
2 Which of the following is not present in RNA?
A. Uracil
B. Thymine
C. Ribose
D. Phosphate
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 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
5 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
6 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
7 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
8 Monosaccharides are
A. Aldoses
B. Ketoses
C. Either a and b
D. None of these
9 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
10 Enzymes, in the living systems
A. Provide energy
B. Provide immunity
C. Transport oxygen
D. Catalyze biochemical processes

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