Effects and causes of air pollution
State the causes and effects of air pollution to the environment.(14marks)
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The questions under the topic Ecology under the subject Biology of Secondary education level. Select the question you wish to view details.
How to combat air pollution
Describe the measures taken by national environmental management authority(NEMA) in kenya to combat air pullotion.(12marks)
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How to prevent water pollution
Describe the measures to prevent water pollution.(20marks)
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Control of malaria.
Describe the methods of controlling the spread of malaria.(7marks)
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Prevention and treatment of bilharzia
State the prevention and treatment of Bilharzia.(5marks)
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Adaptations of xerophytes for survival in their environment
Explain the adaptive features of the xerophtes to thier habitats.(10marks)
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Signs and symptoms of ameobic dysentery
Describe the mode of transmission and symptoms of amoebic dysentery disease.(7marks)
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Definition of natural selection
What is natural selection? (2marks)
...Control of radioactive pollution
Describe the control measures of radioactive emissions.(3marks)
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Abiotic factors in the ecosystem
State ten abiotic factors that affect ecosystem. (10marks)
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