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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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	Ozone layer is high:	A. 20-23 km B. 22-25 km C. 23-26 km D. 25-28 km
2	Chemicals used to kill insects are:	A. Herbicides B. Insecticides C. Pesticides D. Fungicides
3	The branch of chemistry interlinked with biology, physics, medicines, agriculture, public health and sanitary engineering etc. is:	A. Biochemistry B. Physical chemistry C. Pharmaceutical chemistry D. Environmental chemistry
4	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
5	What is component of environment?	A. Atmosphere B. Hydrosphere C. Lithosphere D. All of these
6	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
7	Depletion of ozone is more during the month:	A. Jan-March B. April-Jun C. July-Aug D. Sept-Nov
8	Water is essential for life on	A. Moon B. Space C. Earth D. Sun
9	Electropositive character increases down the groups due to:	A. Increase in atomic size of the elements B. Decrease in ionization potential C. Decreases in electromagnetically of the element D. All the above
10	Augus smith discovered in the mid of seventeenth century:	A. acid B. Base C. Acid rain D. Fertilizer

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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

Ecology is a science of environment and deals specially with

A pollutant affects

The toxic organic compounds and heavy metals and metalloids results in contamination of

Polar ice caps can melt due to

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

The most important pesticides are:

Acidification of soil can leach metal:

Which not a method for solid waste management>

Amount of ozone in atmosphere is expressed in units:

Exposure to CO results in

Which gas produces air pollution?

Which one of the following does not act as pollutant

Smaller unit of biosphere is:

Hardness which can be removed by boiling is called

Insoluble ferric oxide is produced in the pH range:

Hydrosphere includes

Lead pollution is mainly due to

Coagulation in the purification of water is carried out by

Temporary hardness can be removed by adding

The normal amount of overhead ozone is about

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

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Set 12

Set 13

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Set 15

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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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