WAEC (WASSCE) Biology · Basic ecological concepts
Pollution of the atmosphere, water and soil: WAEC Biology Past Questions and Answers
What the WAEC syllabus covers in Pollution of the atmosphere, water and soil
Our summary: The main air, noise, water and soil pollutants and the harm they do to health and the environment.
- Pollution of the atmosphere: nature, names, sources and effects of air pollutants (Examples of air pollutants should include carbon monoxide, sulphur dioxide, oxides of nitrogen, smoke, smog, dust and particles released into the air from factories. Health hazards and damage to the environment should be emphasized.)
- Effect of noise (Harmful effect of noise from generators, aeroplane and electronic sound gadgets, etc. should be mentioned.)
- Water and soil pollution: type and effects of pollutants (Water and soil pollutants to be studied include: synthetic substances (detergent), insecticides, artificial fertilizers, herbicides, sewage, domestic and industrial wastes, crude oil and decaying organic matter. The health hazards and harmful effects of water and soil pollutants on organisms should also be mentioned. Mention should be made of oil spillage and its effects.)
Syllabus content © The West African Examinations Council (WASSCE (harmonised West African syllabus)).
WAEC (WASSCE) Biology questions on Pollution of the atmosphere, water and soil
- WAEC 2024The two sources of energy that would mostly lead to pollution in the community are
- WAEC 2024An environmental problem caused by Sulphur (IV) oxide is
- WAEC 2024Which of the following gases is released during the decomposition of organic matter?
- WAEC 2020The depletion of the ozone layer will result in the earth surface receiving more
- WAEC 2019Which of the following soil fertility improvement methods will have the most negative effect on the ecosystem if not controlled?
- WAEC 2017Which of the following materials is not easily biodegradable?
- WAEC 2014Which of the following substances constitute domestic waste? I Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide
- WAEC 2012The detection of vibro cholera in public drinking water is a sign of
- WAEC 2010The following are greenhouse gases except
Years with Pollution of the atmosphere, water and soil questions in DeeepSolve's question bank
From the past questions DeeepSolve holds, not a count of everything the exam body has set.
- 2024
- 2020
- 2019
- 2017
- 2014
- 2012
- 2010