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

Polyester resins have special use in:

Question # 2

Which of these polymers is an addition polymer

Question # 3

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 4

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

Question # 5

The metal present in blood is

Question # 6

Which of the following is a steroid

Question # 7

Vegetable oils are

Question # 8

Enzymes are

Question # 9

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

Question # 10

Which one of the following is a water soluble vitamin

Question # 11

Protein are classified into

Question # 12

C6H12O6 is molecualr formula of:

Question # 13

Which of the following statements is incorrect about vitamins

Question # 14

The stroids of fungi and yeast and yeast are called:

Question # 15

Natural rubber is a polymer of

Question # 16

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

Question # 17

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 18

Which is a protein?

Question # 19

Which is not an enzyme

Question # 20

Two or more similar monomers combine to form:

Question # 21

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

Question # 22

Monosaccharides belong to the group

Question # 23

Polymer formation from monomers starts by

Question # 24

The reaction between fat and NaOH is called:

Question # 25

Which of these polymers is a synthetic polymer

Question # 26

Two vitamins absorbed from intestine along with fats are

Question # 27

In macromolecules DP stands for

Question # 28

The simplest separating unit of a polymer is called:

Question # 29

Cellulose does:

Question # 30

(CH2O)nis general formula for

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Vitamin A is present in
A. Liver
B. Milk
C. Green vegetables
D. All
2 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
3 Which of the following fibres are made of polyamides?
A. Dacron
B. Orlon
C. Nylon
D. Rayon
4 Which of these polymers is a synthetic polymer?
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
5 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
6 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
7 Which of the following is a molecular diseases?
A. Allergy
B. Cancer
C. German measles
D. Sickle cell anemia
8 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
9 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
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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