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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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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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	Chemicals used to kill pests are:	A. Herbicides B. Insecticides C. Pesticides D. fungicides
2	Pathogens in raw water are killed in step:	A. aeration B. coagulation C. chlorination D. treatment
3	Ph of unpolluted rain water is	A. 07 B. Less than 6 C. 5.6 D. Less than 5
4	The normal amount of overhead ozone is about in DU:	A. 150 B. 250 C. 350 D. 450
5	The eleventh concentration of metal cause clogs of gills in fish:	A. Al B. He C. Pb D. Ca
6	Natural water is	A. Pure B. Impure C. Acts as solute D. Distilled
7	Site of land for landfill is selected based upon.	A. topography B. location of ground C. water table D. All of these
8	Chose a point which is not included in the components of environment	A. Stratosphere B. Hydrosphere C. Lithosphere D. Biosphere
9	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
10	Soil remediation means	A. to make it suitable for cultivation of crops B. to make it acidic C. to make it alkeline D. to add manure into it

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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

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

Acidification of soil can leach metal:

The normal amount of overhead ozone is about

Chlorofluorocarbons and aerosols are inert in sphere:

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

Water is purified by the process:

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

Materials suspended in water or present as colloidal form in raw water are removed by:

Water bodies are included in:

Which one of the pollutants of automobile exhausts affects the nervous system or produces mental diseases

Water which forms scum with soap is called

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

Which not a method for solid waste management>

The pH range of the acid rain is

Why is carbon monoxide called as pollutant? The reason is that

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

Water is considered pollutant when value of Do is

Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as

Photochemical smog consists of higher concentration of:

Chloroform is carcinogenic:

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

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