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

DNA has deoxyribose, a base and the third component is

Question # 2

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 # 3

Which of the following has ester linkage?

Question # 4

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

Question # 5

The reaction between fat and NaOH is called:

Question # 6

Which of the following has magnesium?

Question # 7

Monosaccharides and oligosacchradies are generally called as

Question # 8

Naturally occurring lipids are called

Question # 9

Which of the following is a polyamide?

Question # 10

Which functional group is present in glycerol tristearate

Question # 11

Which of the following fibres are made of polyamides?

Question # 12

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

Question # 13

The monomeric units of starch is/are

Question # 14

Which of the following is obtained by condensation polymerization?

Question # 15

Which one of the following enzymes brings about the hydrolysis of fats

Question # 16

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

Question # 17

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

Question # 18

Bakelite is obtained from phenol by reacting with

Question # 19

The protein which only yield amino acids and their derivatives

Question # 20

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

Question # 21

Teflon, styron and neoprene are all

Question # 22

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

Question # 23

Which one of the following is a water soluble vitamin

Question # 24

Which of the following is a steroid

Question # 25

The substance upon which an enzyme acts is known as its

Question # 26

Which teat is not given by both glucose and fructose

Question # 27

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 28

Of the following which is a step growth polymer

Question # 29

Which is not a steroid

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
2 Molar mass of high molecular w.f. polymers ranges from:
A. 1000 to 10000
B. 10000 to 100000
C. 100000 to 1000000
D. 1000 to 100000000
3 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
4 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
5 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
6 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
7 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
8 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
9 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
10 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors

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