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
1	Fungicides are the pesticides which	A. Kill plants B. Kill herbs C. Kill insects D. Control the growth of fungus
2	Which of the following is a macronutrient?	A. Boron B. Iron C. Copper D. Carbon
3	Detergent greatly effects the	A. Aquatic life B. Modern life C. Terrestrial life D. Plants life
4	Which heavy metals do not have any safe limits	A. As B. Hg C. Cr D. All of these
5	Elevated concentration of ______________ is harmful for fish as it clog the gills causing suffocation	A. AI B. Hg C. As D. Cr(vi)
6	The smog having high contents of SO₂is	A. Neutral smog B. Reducing smog C. Oxidizing smog D. Artificial smog
7	Phenomenon of acid rains gain importance in:	A. 1930s B. 1940s C. 1950s D. 1960s
8	Dissolved impurities of potable water can be separated by the process of	A. reduction B. Aeration C. Electrolysis D. Co-angulation
9	How much quantity of total water is available as fresh water	A. 3% B. 1% C. 10% D. 21%
10	A single chloride free redical can destroy bow many ozene molecules?	A. 100 B. 100000 C. 10000 D. 10

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

In the atmosphere, O2is about

Ozone layer is high:

Ozone is usually produced in the

Biological oxygen demand (BOD) is associated with

Ozone is present in layer around earth:

Amount of ozone in atmosphere is expressed in units:

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

When chlorofluoro carbon are subjected to U.V they form

What is component of environment?

The percentage of SO2 produced by volcanoes is:

Ecosystem is a smaller unit of

Coal contains sulphur in it:

Agriculture consumes part of fresh water:

Global warming is mainly caused by ______ radiations

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

In addition to many pollutants present in ground water, a successful study was conducted to remove a highly Toxic chemical.What chemical is this

The disposal of domestic refuse, commercial and industrial solid wastes are studied under the title

One of the environment problem is the formation of oil slicks when oil is spilled from tankers in sea water.Which treatment is suitable to remove oil slicks

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

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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In the atmosphere, O₂is about

The percentage of SO₂ produced by volcanoes is:

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

One of the environment problem is the formation of oil slicks when oil is spilled from tankers in sea water.
Which treatment is suitable to remove oil slicks