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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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	Men residence time of methane in atmosphere in years is:	A. 1-7 B. 2-7 C. 3-7 D. 4-7
2	Which is property of CO?	A. Soluble in water B. Insoluble in water C. No toxic D. Pole coloured
3	For incineration temperature range is (in ^oC)	A. 700-800 B. 800-900 C. 900-1000 D. 1000-1100
4	Ocean contains part earth's water:	A. 95% B. 96% C. 97% D. 98%
5	Reason of pollution are:	A. Population and urbanization B. Transportation C. Industrialization D. All of these
6	What change in plants indicates toxic effect of SO₂	A. Weathering of leaves B. Darkening of leaves C. Falling of leaves D. Bleaching of leaves
7	Fungicides are the pesticides which:	A. Control the growth of fungus B. Kills insects C. Kills plants D. Kill herb
8	The normal amount of overhead ozone is	A. 350 DU B. 450 DU C. 400 DU D. 300 DU
9	Ozone acts as:	A. Pollutant B. saver C. oxidatant D. All of these
10	Chemical equilibrium involving reactants and products in more than one phase is called:	A. Homogeneous B. Heterogeneous C. Dynamic D. Static

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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

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

How much quantity of water is in the domestic use

How much quantity of total water is available as fresh water

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

Choose the chief air pollutant among the following which depletes ozone layer

Boron, aluminium, gallium, indium and thallium belong to group lll-A of the periodic table show a decrease with increasing relative atomic mass:

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

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

Fresh water of total earth water is:

Unit of ozone is?

Poisoning of CO can be reveresed by giving oxygen at pressure:

Site of land for landfill is selected based upon.

The semi solid wastes in landfills is called:

Out of total amount of water available for human use is

Ecosystem is a smaller unity of

Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg Toxic.

During incineration temperature range of non-rotating chamber is

a hole used to dump the municipal wastes is called:

How much pesticides have been synthesized at present?

Nitrogen percentage in atmosphere is:

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

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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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