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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Munaza 11 - Oct - 2022 00 Min 07 Sec 20/20
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Sania Abbas 25 - Jul - 2022 06 Min 13 Sec 16/20
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tahreem fatima 12 - Nov - 2022 00 Min 04 Sec 15/20
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Filza Ahsan 11 - Nov - 2022 01 Min 33 Sec 15/20
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Ali Ahmed Tauqeer 03 - Mar - 2024 03 Min 27 Sec 13/20
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Anaya 07 - Jul - 2023 04 Min 28 Sec 13/20
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Urooj Wajid 15 - Sep - 2022 06 Min 47 Sec 13/20
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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 smog having high contents of SO₂is	A. Neutral smog B. Reducing smog C. Oxidizing smog D. Artificial smog
2	Amount of ozone in atmosphere is expressed in units:	A. Kilograms B. cm C. molarity D. DU
3	99.5% mass of lithosphere is made of	A. 03 elements B. 8 elements C. 11 elements D. 15 elements
4	Pathogens in raw water are killed in step:	A. aeration B. coagulation C. chlorination D. treatment
5	Which not a method for solid waste management>	A. Landfill B. Incinerating C. Recycling D. None of these
6	Which is not an air pollutant	A. N₂ B. CO C. NO D. N₂O
7	Ratio of hydrogen (H) and oxygen (O) in water molecule by volume is	A. 2: 1 B. 1: 2 C. 3: 1 D. 4: 1
8	Agriculture consumes part of fresh water:	A. 1% B. 2% C. 69% D. 23%
9	Newspaper can be recycled again and again by how many times?	A. 2 B. 3 C. 4 D. 5
10	Water is purified by:	A. Filtration B. aeration C. coagualation D. All of these

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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

Part of fresh water consumed in industry is:

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

Agriculture consumes part of fresh water:

Water is purified by the process:

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

Most harmful of biosphere is

SO2 produced by volcanoes is about

Which is not the condition for the formation of smog

Addition of washing soda removes

In Purification of potable water the coagulant used is

Test of incomplete combustion of petrol in the presence of

Solid waster of the city is disposed off by dumping in a landfill. Which of the following gas is produced in the landfill

The main pollution of leather tanneries in the waste is due to the salt of

Which is property of CO?

The pH rain of acid rain is

In big/metropolitan cities, atmosphere is mostly polluted due to

Requirement of macronutrient per acre of the land is

Natural water is

Which factor is helping to reduce the environment pollution

The pH of the rain water in areas where acid rain is the cause of pollution may be

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

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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

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SO₂produced by volcanoes is about