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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Sania Abbas 25 - Jul - 2022 06 Min 13 Sec 16/20
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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	An excellent source of energy without causing pollution is	A. Fossil fuel B. Sun C. Petroleum D. Nuclear reactor
2	Agriculture consumes part of fresh water:	A. 1% B. 2% C. 69% D. 23%
3	Ozone in most of the tropical regions acts as a pollutant and cause	A. damages to eyes B. aggravates asthma C. chest discomfort D. all of these
4	A single chloride free radical of CFCs can destroy upto ozone molecules:	A. 10 B. 100 C. 1000 D. 100000
5	Many petroleum products are:	A. coloured B. colourless C. testy D. poisoinous
6	The pH range of the acid rain is	A. 6.5 - 6 B. Less than 5 C. 8 - 7.5 D. 7 - 6.5
7	Which is property of CO?	A. Soluble in water B. Insoluble in water C. No toxic D. Pole coloured
8	The normal amount of overhead ozone is	A. 350 DU B. 450 DU C. 400 DU D. 300 DU
9	Chemicals used to kill insects are:	A. Herbicides B. Insecticides C. Pesticides D. Fungicides
10	Which step is unnecessary for purification of water for drinking purposes	A. aeration B. coagulation C. treatment with chlorine D. treatment with iodine

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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

Detergent greatly effects the

Polycyclic aromatic hydrocarbons are taught to be

The semi solid wastes in landfills is called:

Potable water is considered to be

Which gas produces air pollution?

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

Ozone is effectively removed by

Which is not a component of environment?

Coal contains percentage of sulphur:

Ozone layer is present in

Chromium (VI) is highly toxic and can cause

Lanthanides an actinides belong to following group of periodic table:

Photo chemical smog contains ______ as main reactants

Which is the most toxic among the given?

Which is the following is true about galvanic cell:

Augus smith discovered in the mid of seventeenth century:

Which of spectral lines when atoms are subjected to strong electric field is called:

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

0.1M HCI having pH =1.0 it is about 100 time stronger than acetic acid what will be the pH of acetic acid:

The amount of Si in the lithosphere is about

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

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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

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