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

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

Question # 2

The reaction between fat and NaOH is called:

Question # 3

Monosaccharides belong to the group

Question # 4

Which one of the following is a water soluble vitamin

Question # 5

Which of the following has magnesium?

Question # 6

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

Question # 7

Monosaccharides are

Question # 8

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

Question # 9

C6H12O6 is molecualr formula of:

Question # 10

Which is the derived lipid?

Question # 11

Which of the following is a steroid

Question # 12

Which of these polymers is a synthetic polymer

Question # 13

Natural rubber is a polymer of

Question # 14

Glyptal polymer is obtained from glycerol on reacting with

Question # 15

The simplest separating unit of a polymer is called:

Question # 16

Hydrolysis of sucrose is called

Question # 17

Polyester resins have special use in:

Question # 18

Vegetable oils are

Question # 19

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

Question # 20

Which of the following fibres are made of polyamides?

Question # 21

Vitamin A is present in

Question # 22

Which of the following has ester linkage?

Question # 23

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

Question # 24

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

Question # 25

The group linkage present in fats is

Question # 26

Which of the following is the repeating monomeric unit in cellulose

Question # 27

Terylene is madeby polymerization of terephthalic acid with

Question # 28

A condensation polymer among the following is

Question # 29

Teflon, styron and neoprene are all

Question # 30

Monosaccharides and oligosacchradies are generally called as

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
2 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
3 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
4 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
5 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
6 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
7 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
8 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
9 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
10 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these

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