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

Which one of the following statements of glucose and sucrose is incorrect?

Question # 3

A polymer may be

Question # 4

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 5

Enzymes, in the living systems

Question # 6

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

Question # 7

Which one of the following is a water soluble vitamin

Question # 8

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

Question # 9

What is not true about DNA

Question # 10

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

Question # 11

Monosaccharides and oligosacchradies are generally called as

Question # 12

A condensation polymer among the following is

Question # 13

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

Question # 14

How is the secondary structure of protein stabilized

Question # 15

The proteins which are derived by conjugated proteins are called as

Question # 16

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

Question # 17

Copolymer is

Question # 18

The polymers which can not be re-softened again and again are called

Question # 19

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

Question # 20

Which is the polymer that has amide linkage in its structure

Question # 21

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

Question # 22

Iodine value of an oil or fat may be defined as

Question # 23

What is the most common catalyst used in hydrogenation of oils

Question # 24

Glycine at pH7 has the structure

Question # 25

The metal present in blood is

Question # 26

Protein may have

Question # 27

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 # 28

For every reaction occurring in the body three is at least one type of

Question # 29

Synthetic polymer prepared from caprolactum is known is

Question # 30

Which one is a polymer compound?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The disaccharide present in milk is
A. Sucrose
B. Maltose
C. Lactose
D. Cellobiose
2 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
3 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
4 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
5 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
6 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
7 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
8 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
9 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
10 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein

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