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

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

Question # 2

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

Question # 3

Which one of the following is not an example of chain growth polymer?

Question # 4

Naturally occurring lipids are called

Question # 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

Question # 6

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

Question # 7

The prosthetic group in glycoprotein is

Question # 8

Monosaccharides are

Question # 9

Major food factors are:

Question # 10

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

Question # 11

Two or more similar monomers combine to form:

Question # 12

Of the following which is a step growth polymer

Question # 13

Which of the following is not present in nucleotide?

Question # 14

Vitamin A is present in

Question # 15

The metal present in blood is

Question # 16

Orlon is a polymer of

Question # 17

Natural rubber is a polymer of

Question # 18

C6H12O6 is molecualr formula of:

Question # 19

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 20

Which one is a polymer compound?

Question # 21

Enzymes are chemically

Question # 22

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

Question # 23

Hydrolysis of sucrose is called

Question # 24

The disaccharide present in milk is

Question # 25

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

Question # 26

Purines include

Question # 27

Which is not an enzyme

Question # 28

A polymer may be

Question # 29

Plastics are a pollution problem because many plastics

Question # 30

The monomeric units of starch is/are

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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 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
3 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
4 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
5 The main structure features of proteins is
A. An ester linkage
B. An ether linkage
C. The peptide linkage
D. All
6 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
7 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
8 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
9 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
10 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase

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