MDCAT Chemistry Chapter 21 online mcq test with answers for chapter 21 (Environmental Chemistry)

Chapter 21 is an important part of MDCAT Chemistry that covers polymers and biological macromolecules. It includes the formation and uses of addition polymers like polyethene, polystyrene, and polyvinyl chloride (PVC), as well as condensation polymers such as polyesters (terylene) and polyamides (nylon-6,6). Understanding these topics helps students grasp how small molecules combine to form large, useful materials found in everyday life.

This chapter also explains the structure of proteins , including their primary and secondary structures , and the structure and function of nucleic acids (DNA) , which carry genetic information. By attempting the MDCAT Chemistry Chapter 21 MCQ Test with Answers , students can review key concepts, check their understanding, and strengthen their preparation for the exam.

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MCAT Chemistry Chapter 21 Important MCQ's

Sr.#

Question

Answer

Hydrosphere includes

A. Seas and rivers

B. Ocean & polar ice caps

C. Ground water

D. All of above

Which of the following is not a secondary pollutant

A. Ozone

B. Carbonic acid

C. Sulphuric acid

D. Carbon dioxide

BOD is the oxygen demand with in day(s):

A. Four

B. Two

C. Three

D. Five

Unit of ozone is?

A. Debye

B. Dobson

C. Esu

D. Coulumb

What is the effect of polluted air on environment

A. Ozone

B. Acid rain

C. Global warming

D. Smog

Which not a method for solid waste management>

A. Landfill

B. Incinerating

C. Recycling

D. None of these

Hardness which can be removed by boiling is called

A. Permanent hardness

B. Temporary hardness

C. Stiffness

D. Toughness

Which of the following waster material is not recycled for use again

A. paper

B. plastic

C. hides of animals

D. glass

An excellent source of energy without causing pollution is

A. Fossil fuel

B. Sun

C. Petroleum

D. Nuclear reactor

Water cover earth surface more than:

A. 50%

B. 60%

C. 70%

D. 80%

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MDCAT Chemistry Chapter 21 MCQ Test With Answer for (Environmental Chemistry)

MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

Which of the following is not a heavy industry?

The largest item which is recycled is

Requirement of macronutrient per acre of the land is

Sea gets polluted bu accidental oil spills and

The pH range of acid rain is?

Ozone gas has boiling point:

What is the morality of a solution containing 15g of urea is 500cm3 of solution?

Forms of waste products:

The region of earth capable of supporting life is

A large hole in the ozone layer over antarctica region was discovered in:

Water which his considered to be safe for human consumption is known as

In incinerating the waste is burnt at

Ozone layer is high:

Which is not the condition for the formation of smog

Which of the following factors is not used to determine the quality of water

Which gas produces air pollution?

The semi solid wastes in landfills is called:

The morality of the solution containing x grams ammonium sulfate in 500cm3 of the solution is 0.6 what is x?

The pH rain of acid rain is

Water in swimming pools is purified by adding

Prepare Complete Set Wise MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQs Online With Answers

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Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

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Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test

MCAT Chemistry Chapter 21 Important MCQ's

Test Questions

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What is the morality of a solution containing 15g of urea is 500cm³ of solution?