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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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 main pollutant of leather in the waste water is due to the salt of:	A. Lead B. Chromium (VI) C. Copper D. Chromium (III)
2	How much quantity of water is in the domestic use	A. 0.08% B. 16% C. 24% D. 90%
3	Ozone is most of the tropical regions acts as a pollutant and causes	A. Damages to eyes B. Aggravates asthma C. Chest discomfort D. All of these
4	Chemical equilibrium involving reactants and products in more than one phase is called:	A. Homogeneous B. Heterogeneous C. Dynamic D. Static
5	Reason of pollution are:	A. Population and urbanization B. Transportation C. Industrialization D. All of these
6	A large hole in the ozone layer over antarctica region was discovered in:	A. 1960s B. 1970s C. 1980s D. 1990s
7	Chemicals used to kill herbs are:	A. Herbicides B. Insecticides C. Pesticides D. Fungicides
8	Which of the following does not contribute towards the formation of photochemical smog?	A. NO B. SO₂ C. O₃ D. Hydrocarbons
9	a hole used to dump the municipal wastes is called:	A. landfill B. effluents C. leachate D. inclneration
10	The most important pesticides are:	A. Herbicides B. Insecticides C. Fungicides D. All

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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

Alkali metals react viotlently with halogens:

Water in swimming pools is purified by adding

DDT is a:

Pan is an irritant to human beings and it affects

A single chlorine free radical can destroy how many ozone molecules

Ozone is a gas having boiling point

How many times a newspaper can be recycled

Chose a point which is not included in the components of environment

Which of following is primary pollutants

Heat balance of earth is maintained by sphere:

As the number of carbon atoms increase the number of isomers also increase. The six carbon compound hexane has as many as:

The main pollutant of leather in the waste water is due to the salt of:

Why a C- C bond breaks by uv light

Dissolved impurities of potable water can be separated by the process of

The branch of chemistry interlinked with biology, physics, medicines, agriculture, public health and sanitary engineering etc. is:

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

Ozone is produced in regions:

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

It is a biodegradable pollutant

Smaller unit of biosphere is:

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

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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

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