1989 - WAEC Biology Past Questions and Answers - page 5
Maize is best stored against insect attack
Which of the following is not an effect of overcrowding on a population?
The term used in describing the effective management of national resources by man is
Breathing roots are characteristic structures of plants growing in
At which of the following stages of cell division can the cell be said to be resting
Which of the following represents the phenotypic ratio, when a plant Rr is crossed with another plant Rr,
assuming that the gene R for round seed is dominant and wrinkled r is recessive?
All hereditary characters in a cell are passed on from parent-cell to daughter-cell through the process of
What stage is illustrated by the diagram?
What is the name given to the structure labelled A at this stage of cell division?
The evidence for evolution can be obtained from the following except