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.

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

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Meer Sadeed 07 - Sep - 2023 10 Min 50 Sec 13/20
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Rana Ubaid Chohan 16 - Jul - 2022 10 Min 50 Sec 13/20

MCAT Chemistry Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	The pH range of acid rain is?	A. 7-6.5 B. 6.5-6 C. 6-5.6 D. Less than 5
2	The concentration of dissolved molecular oxygen in water which acts as the most important oxidizing agent ranges from	A. 2 ppm - 6 ppm B. 2 ppm - 4 ppm C. 4 ppm - 8 ppm D. 2 ppm - 3 ppm
3	In the atosphere, CO₂is about	A. 0.01% B. 0.03% C. 0.05% D. 0.09%
4	Water is essential for life on	A. Moon B. Space C. Earth D. Sun
5	Atmosphere consists of gasses:	A. N₂ B. O₂ C. Ar D. All
6	Reason of pollution are:	A. Population and urbanization B. Transportation C. Industrialization D. All of these
7	Which of the following is not the required condition for the formation of smog	A. Sufficient NO B. Sunlight C. Less movement of air D. Winds
8	Diseases like dysentery, typhoid and hepatitis are caused by mixing of in water:	A. Live stock wastes B. Oil spilage C. detergents D. pesticides
9	Part of fresh water consumed in industry is:	A. 1% B. 2% C. 69% D. 23%
10	The morality of the solution containing x grams ammonium sulfate in 500cm3 of the solution is 0.6 what is x?	A. 39.6 B. 40.5 C. 42.7 D. 45.1

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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

Petroleum or crude oil is a complex mixture of compounds mainly:

Many petroleum products are:

Which of spectral lines when atoms are subjected to strong electric field is called:

Photochemical smog consists of higher concentration of:

Water is considered pollutant when value of Do is

Which of the following is a macronutrient?

Chloroform is carcinogenic:

Requirement of macronutrient per acre of the land is

Chlorofluorocarbons and aerosols are inert in sphere:

Transportation causes to produce CO2 in atmosphere:

Incineration is a process in which solid waste is burned at high temperature ranging from

Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg toxic

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destory

Which of the following is not a heavy industry?

The percentage of SO2 produced by volcanoes is:

Which is property of CO?

99.5% mass of lithosphere is made of

Chemicals used to kill insects are:

Water is purified by the process:

DDT is a:

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

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Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Topic Test

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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Transportation causes to produce CO₂ in atmosphere:

The percentage of SO₂ produced by volcanoes is: