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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MCAT Chemistry Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	Water is considered pollutant when value of Do is	A. 6 PPM B. 8 PPM C. 03 PPM D. 10 PPM
2	Contamination of water of tanning industries is due to:	A. Cr(III) B. Cr(VI) C. Mn(III) D. Mn(VII)
3	Water which his considered to be safe for human consumption is known as	A. distilled water B. contaminated water C. potable water D. rain water
4	Agriculture consumes part of fresh water:	A. 1% B. 2% C. 69% D. 23%
5	CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy	A. 10,000 B. 20,000 C. 100,000 D. 50,000
6	SO₂makes ___________ acid rains	A. carbonic acid B. Sulfuric C. Nitric acid D. All of these
7	Chloroform is carcinogenic:	A. Heart B. Lungs C. Liver D. Kidney
8	Water cover earth surface more than:	A. 50% B. 60% C. 70% D. 80%
9	Lithosphere has amount of silicon	A. 35.30% B. 27.72% C. 40.01% D. 21.13%
10	Ecology is a science of environment and deals specially with	A. stratosphere B. biosphere C. lithosphere D. hydrosphere

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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 of the following is not the required condition for the formation of smog

Ozone layer is present in

Biochemical oxygen demand (BOD) is the capacity of organic matter in natural water to consume oxygen with in a period of

Which one is more toxic?

Which gas is not a constituent of atmosphere?

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

Surface and ground water sources are contaminated by various human activities. Which of the following is not human activity that causes contamination in fresh water

Potable water is considered to be

During thunderstorms, water dissolves

Fungicides are the pesticides which

Chemistry related to the study of environment affected by the chemicals and pollutants is called:

Heat balance of earth is maintained by

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

The semi solid wastes in landfills is called:

Hydrosphere covers the surface of erath:

By the mid of 1980s depletion of total overhead ozone in antarctic region is

Amount of fresh water used by agriculture is

The temperature in the incineration of industrial and hazardons waster process had a range

How much pesticides have been synthesized at present?

Ozone is a gas having boiling point

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

Test Questions

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