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

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

Question # 2

β-D-glucose is a monomer for

Question # 3

Hydrolysis of sucrose is called

Question # 4

One of the followings is not type of polymer

Question # 5

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 6

Two vitamins absorbed from intestine along with fats are

Question # 7

Enzymes are

Question # 8

Glycogen is stored in

Question # 9

A condensation polymer among the following is

Question # 10

Vegetable oils are

Question # 11

The disaccharide present in milk is

Question # 12

The prosthetic group in glycoprotein is

Question # 13

Glycine at pH7 has the structure

Question # 14

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 15

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 # 16

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 17

Iodine value of an oil or fat may be defined as

Question # 18

Enzymes are chemically

Question # 19

Which one of the following is a water soluble vitamin

Question # 20

The protein which only yield amino acids and their derivatives

Question # 21

Major food factors are:

Question # 22

Which of the following has ester linkage?

Question # 23

Which of the following is a polyamide?

Question # 24

Protein may have

Question # 25

Which of these polymers is an addition polymer

Question # 26

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

Question # 27

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

Question # 28

In macromolecules DP stands for

Question # 29

The reagent which forms crystalline osazone derivative when treated with glucose is

Question # 30

Molar mass of high molecular w.f. polymers ranges from:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene
2 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
3 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
4 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
5 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
6 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
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 behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
9 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
10 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC

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