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

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

Question # 2

Ricket is caused due to the deficiency of vitamin

Question # 3

Which of the following is a constituent of nylon?

Question # 4

The main structure features of proteins is

Question # 5

Which property is not present in lipids?

Question # 6

Which of the following is a steroid

Question # 7

(CH2O)nis general formula for

Question # 8

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

Question # 9

Vegetable oils are

Question # 10

The reaction between fat and NaOH is called

Question # 11

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

Question # 12

Which carbohydrates is an essential constituent of plant cells?

Question # 13

The proteins which are derived by conjugated proteins are called as

Question # 14

At what pH glycine shows the structure H3N+-- CH2-- COOH

Question # 15

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

Question # 16

Plastics are pollution problem because many plastics:

Question # 17

Which one of the following is a water soluble vitamin

Question # 18

Which behaves as insulator for animals body?

Question # 19

Natural rubber is a polymer of

Question # 20

The reagent which forms crystalline osazone derivative when treated with glucose is

Question # 21

Iodine value of an oil or fat may be defined as

Question # 22

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

Question # 23

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

Question # 24

Major food factors are:

Question # 25

The substance upon which an enzyme acts is known as its

Question # 26

β-D-glucose is a monomer for

Question # 27

Bakelite is a product formed form

Question # 28

Which of these polymers is an addition polymer

Question # 29

Factors affecting denaturation of proteins:

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
2 Which of the following is a steroid
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
3 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
4 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
5 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
6 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
7 The disaccharide present in milk is
A. Sucrose
B. Maltose
C. Lactose
D. Cellobiose
8 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
9 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
10 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these

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