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

(CH2O)nis general formula for

Question # 2

Which one of the following statements of glucose and sucrose is incorrect?

Question # 3

The stroids of fungi and yeast and yeast are called:

Question # 4

Plastics are a pollution problem because many plastics

Question # 5

Which of the following elements is not present in all proteins?

Question # 6

Polysaccharides are also called

Question # 7

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

Question # 8

In which of these processes are smell organic molecules made into macromolecules?

Question # 9

Which of these polymers is a synthetic polymer

Question # 10

Factors affecting denaturation of proteins:

Question # 11

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

Question # 12

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 13

For every reaction occurring in the body three is at least one type of

Question # 14

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 # 15

Which of the following is the repeating monomeric unit in cellulose

Question # 16

How is the secondary structure of protein stabilized

Question # 17

Which of the following has magnesium?

Question # 18

Peptide bond is a key feature in

Question # 19

Which of the following statements is incorrect about vitamins

Question # 20

The temp. and pressure used for PVC polymerization is

Question # 21

Copolymer is

Question # 22

Protein may have

Question # 23

A condensation polymer among the following is

Question # 24

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

Question # 25

Polyester resins have special use in:

Question # 26

The proteins which are derived by conjugated proteins are called as

Question # 27

Which of the following is a steroid

Question # 28

Of the following which is a step growth polymer

Question # 29

Glycogen is stored in

Question # 30

Which of the following fibres are made of polyamides?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant
2 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
3 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
4 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
5 The proteins which are derived by conjugated proteins are called as
A. Simple protein
B. Complex protein
C. Derived protein
D. None
6 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin
7 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
8 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
9 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
10 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids

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