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Geography [3 Mark Question Answer]

Pollution · ICSE STD 9 (ICSE - English Medium). 3 questions.

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[3 Mark Question Answer]

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3 questions · timed · auto-graded

Question 13 Marks
Distinguish between the following : Natural Pollution and Anthropogenic Pollution
Answer
Natural Pollution :
(a) Cosmic radiation from space and terrestrial radiation pollute the atmosphere.
(b) It disturbs the natural atmosphere and harms human and animal life.
Anthropogenic Pollution :
(a) Man-made pollution is done by radioactive plants, atomic bombs, nuclear fuel, etc.
(b) It creates various diseases cancer, heart problems, migraine, etc, it also disturbs animal life.
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Question 23 Marks
Distinguish between the following : Quantitative Pollutants and Qualitative Pollutants.
Answer
Quantitative Pollutants :
  1. The excess of $CO_2,$ Nitrogen oxide, etc. pollutes the atmosphere.
  2. These create an unhealthy atmosphere due to the scarcity of oxygen.
Qualitative Pollutants :
  1. Use of pesticides, chemical fertilizers pollute the composition of the atmosphere.
  2. These result in various diseases, e.g. skin cancer asthma, etc.
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Question 33 Marks
Distinguish between the following : Biodegradable and Non-biodegradable Pollutants
Answer
Biodegradable Pollutants :
  1. These may be degraded ‘‘after some time by biological or microbial actions.
  2. These are sewage, domestic garbage of the kitchen, etc.
Non-biodegradable Pollutants :
  1. These are not degraded by any biological or microbial actions.
  2. These include plastics, pesticides, and radioactive materials.
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[3 Mark Question Answer] - Geography STD 9 Questions - Vidyadip