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	Forms of waste products:	A. Heat B. Smoke C. Solid D. All of these
2	The region of earth capable of supporting life is	A. Hydrosphere B. Lithosphere C. Biosphere D. Atmosphere
3	Acidification of soil can leach metal:	A. Al B. Hg C. Pb D. Ca
4	The normal amount of overhead ozone is about	A. 250 Du B. 300 DU C. 350 DU D. 400 DU
5	Lithosphere extends upto kilometer of earth crust in depth:	A. 10 km B. 100 km C. 1000 km D. 10000 km
6	Agriculture consumes part of fresh water:	A. 1% B. 2% C. 69% D. 23%
7	Which of the following is a macronutrient?	A. Boron B. Iron C. Copper D. Carbon
8	The % of CO₂in the atmosphere is	A. 3.0% B. 0.03% C. 0.3% D. 0.5%
9	HOCl is a compound:	A. Polor inorganic B. organic C. Ionic D. covalant
10	Ozone layer is	A. 25 - 28 km high B. 26 - 29 km high C. 24 - 27 km high D. 20 - 28 km high

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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

Heat balance of earth is maintained by

How much quantity of total water is available as fresh water

Value of chemical oxygen demand (COD) is a measure of chemically oxidizable matter in water. Which value of COD will indicate more polluted water

BOD is the oxygen demand with in day(s):

Ozone is present in layer around earth:

a hole used to dump the municipal wastes is called:

Alkali metals react viotlently with halogens:

Agriculture consumes part of fresh water:

Biochemical oxygen demand is the capacity of organic matter in natural water to consume oxygen

The Catalyst used in the contact tower for the manufacture of H2SO4 is easily poisoned by:

Leather tanneries use big auantities of:

Which is property of CO?

Coal contains percentage of sulphur:

Out of total amount of water available for human use is

The semi solid wastes in landfills is called:

Photochemical smog consists of higher concentration of:

Ozone gas has boiling point:

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

During incineration temperature range of non-rotating chamber is

Region of earth capable of supporting life is called:

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

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Set 6

Set 7

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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The Catalyst used in the contact tower for the manufacture of H₂SO₄ is easily poisoned by: