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

The digestion of fats in the intestines is aided by

Question # 2

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 3

Which of the following statements is incorrect about vitamins

Question # 4

Plastics are a pollution problem because many plastics

Question # 5

The main structure features of proteins is

Question # 6

Monosaccharides and oligosacchradies are generally called as

Question # 7

Which of the following is not present in RNA?

Question # 8

Which carbohydrates is an essential constituent of plant cells?

Question # 9

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

Question # 10

The metal present in blood is

Question # 11

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

Question # 12

Two vitamins absorbed from intestine along with fats are

Question # 13

Plastics are a pollution problem because many plastics

Question # 14

The product of addition polymerization reaction is

Question # 15

Which of the following polymers is used for weather resistant paints

Question # 16

Two or more similar monomers combine to form:

Question # 17

A nucleoside may be

Question # 18

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 19

Which of the following is a steroid

Question # 20

Which of the following has ester linkage?

Question # 21

Vegetable oils are

Question # 22

Substances that render enzymes catalytically inactive are called

Question # 23

Polymer formation from monomers starts by

Question # 24

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

Question # 25

How is the secondary structure of protein stabilized

Question # 26

Glycine at pH7 has the structure

Question # 27

When a nitrogeneous base combine with a sugar it is called

Question # 28

Bakelite is a product formed form

Question # 29

Which is a protein?

Question # 30

The fiber which is made from acrylonitrile as monomer:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
2 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
3 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
4 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
5 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
6 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
7 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
8 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene
9 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine
10 Iodine value of an oil or fat may be defined as
A. The number of grams of iodine taken up by 1 g of the oil or fat
B. The number of grams of iodine taken by 10 g of the oil or fat
C. The number of grams of iodine taken by 100 g of the oil or fat
D. None of the above

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