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	A single chlorine free radical can destory how many ozone molecules	A. 10 B. 100 C. 1000 D. 10000
2	Polycyclic aromatic hydrocarbons are taught to be	A. Disinfectant B. Carcinogenic C. Helpful D. Reactive
3	Which of the following waster material is not recycled for use again	A. paper B. plastic C. hides of animals D. glass
4	Commonly used coagulants are ions of:	A. Ferrous B. Al C. Cr D. Ferric
5	The scope of environmental chemistry is to study:	A. Source of chemicals B. Transportation of chemicals C. Transportation of toxic chemical D. All of these
6	a hole used to dump the municipal wastes is called:	A. landfill B. effluents C. leachate D. inclneration
7	Which is the most toxic among the given?	A. heavy metals B. non-metals C. Metals D. Metalloids
8	The normal amount of overhead ozone is	A. 350 DU B. 450 DU C. 400 DU D. 300 DU
9	Sulphate aerosols cause severe respiratory problems particularly among	A. Infants B. Women C. Young people D. Old people
10	Choose the correct statements	A. SO₂affects the nucleus B. SO₂affects plasmodesmata C. SO₂affects cell wall D. SO₂affects all membrane systems

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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

Forms of waste products:

SO2and NO2cause pollution due to increase in

Water exist in only

Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water

The ozone depletion in the stratophere is mainly due to the reaction of ozone with

The normal amount of overhead ozone is about in DU:

Hydrosphere covers the surface of erath:

Natural water is

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

Ozone is an allotropic form of:

Surface and ground water sources are contaminated by various human activities which of the followings is not a human activity that causes contamination in fresh water

Lanthanides an actinides belong to following group of periodic table:

It is a biodegradable pollutant

Choose the correct statements

Soil remediation means

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

In incinerating the waste is burnt at

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

Phenomenon of acid rains gain importance in:

Which is property of CO?

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Set 12

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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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SO₂and NO₂cause pollution due to increase in