WAEC Biology Past Questions And Answers - Biology

Waec Biology Questions

Question 1051:

Air pollution can be reduced by the following methods except

Question 1052:

An effective management of natural resources to ensure their continued yield from generation to generation may involve all the following except

Question 1053:

Which of the following orders correctly represents the trend in eutrophication?

A Lack of oxygen â†’ Death of aquatic organisms â†’ Massive algal growth
B Excess nitrates and phosphates → Massive algal growth → Lack of oxygen → Death of aquatic organisms
C Heavy mineralization â†’ Lack of oxygen â†’ Massive algal growth
D Excess nitrates and phosphates â†’ Lack of oxygen â†’ Massive algal growth â†’ Death of aquatic organisms

Question 1054:

The following practices can contribute towards the conservation of natural resources except