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

Plastics are a pollution problem because many plastics

Question # 2

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 3

What is not true about DNA

Question # 4

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 5

Which of these polymers is a synthetic polymer

Question # 6

Polyester resins have special use in:

Question # 7

The monomeric units of starch is/are

Question # 8

Which of these polymers is an addition polymer

Question # 9

The reaction between fat and NaOH is called:

Question # 10

The temp. and pressure used for PVC polymerization is

Question # 11

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

Question # 12

Which carbohydrates is an essential constituent of plant cells?

Question # 13

Which behaves as insulator for animals body?

Question # 14

What is the most common catalyst used in hydrogenation of oils

Question # 15

The stroids of fungi and yeast and yeast are called:

Question # 16

Ascorbic acid is a chemical name of

Question # 17

Plastics are pollution problem because many plastics:

Question # 18

Iodine value of an oil or fat may be defined as

Question # 19

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

Question # 20

Which of the following is a constituent of nylon?

Question # 21

Which functional group is present in glycerol tristearate

Question # 22

C6H12O6 is molecualr formula of:

Question # 23

The protein which only yield amino acids and their derivatives

Question # 24

DNA has deoxyribose, a base and the third component is

Question # 25

Teflon, styron and neoprene are all

Question # 26

Which one is a polymer compound?

Question # 27

Soft drinks and baby feeding bottles are generally made up of

Question # 28

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 29

On hydrolysis of starch, we finally get

Question # 30

Protein may have

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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 The main structure features of proteins is
A. An ester linkage
B. An ether linkage
C. The peptide linkage
D. All
3 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC
4 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
5 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
6 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
7 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
8 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
9 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
10 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12

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