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

Which has maximum protein content?

Question # 2

Peptide bond is a key feature in

Question # 3

Iodine value of an oil or fat may be defined as

Question # 4

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

Question # 5

The main structure features of proteins is

Question # 6

An oil or fat with no double bond have iodine number:

Question # 7

Monosaccharides are

Question # 8

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

Question # 9

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

Question # 10

Of the following which is a step growth polymer

Question # 11

Cellulose does:

Question # 12

Which of the following is an example of ketohexose?

Question # 13

Substances that render enzymes catalytically inactive are called

Question # 14

Which is not an enzyme

Question # 15

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

Question # 16

Monosaccharides belong to the group

Question # 17

An example of water soluble vitamin is

Question # 18

What is the most common catalyst used in hydrogenation of oils

Question # 19

Vitamin A is present in

Question # 20

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

Question # 21

Sterols, vitamin D and terpenese belong to

Question # 22

Which of the following has magnesium?

Question # 23

Soft drinks and baby feeding bottles are generally made up of

Question # 24

A nucleoside may be

Question # 25

Which of the following statements is incorrect about vitamins

Question # 26

When a nitrogeneous base combine with a sugar it is called

Question # 27

Enzymes, in the living systems

Question # 28

Teflon, styron and neoprene are all

Question # 29

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

Question # 30

Which of the following is the repeating monomeric unit in cellulose

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
3 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
4 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
5 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
6 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
7 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12
8 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these
9 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
10 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur

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