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

Bakelite is obtained from phenol by reacting with

Question # 2

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

Question # 3

The monomeric units of starch is/are

Question # 4

Enzymes are

Question # 5

Which of the following statements is incorrect about vitamins

Question # 6

Major food factors are:

Question # 7

Which of the following is fully fluorinated polymer?

Question # 8

Polysaccharides are also called

Question # 9

Synthetic polymer prepared from caprolactum is known is

Question # 10

Monosaccharides belong to the group

Question # 11

Plastics are a pollution problem because many plastics

Question # 12

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

Question # 13

Which of the following is the repeating monomeric unit in cellulose

Question # 14

Ascorbic acid is a chemical name of

Question # 15

A condensation polymer among the following is

Question # 16

The reaction between fat and NaOH is called:

Question # 17

Plastics are pollution problem because many plastics:

Question # 18

Which property is not present in lipids?

Question # 19

Which is not a steroid

Question # 20

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

Question # 21

Which carbohydrates is an essential constituent of plant cells?

Question # 22

Nylon, 6,6 is a condensation polymer of

Question # 23

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

Question # 24

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

Question # 25

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 26

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 # 27

What is the most common catalyst used in hydrogenation of oils

Question # 28

β-D-glucose is a monomer for

Question # 29

Oxidation reduction is done by

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
2 The prosthetic group in glycoprotein is
A. Carbohydrate
B. Fat
C. Vitamin
D. Nucleic acid
3 Which one of the following enzymes brings about the hydrolysis of fats
A. Urease
B. Maltase
C. Zymase
D. Lypase
4 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
5 RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA
A. D-Ribose
B. Wracil base
C. Prosphate group
D. Thyamine base
6 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
7 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
8 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
9 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
10 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin

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