Waec Biology Past Questions and Answers

Question 46:

• WAEC 1989

At which of the following stages of cell division can the cell be said to be resting

A. Anaphase
B. Telophase
C. Prophase
D. Interphase
E. Metaphase

Question 47:

• WAEC 1989

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?

A. 1:2:1
B. 2:2:1
C. 3:2
D. 3:1
E. 4:1

Question 48:

• WAEC 1989

All hereditary characters in a cell are passed on from parent-cell to daughter-cell through the process of

A. Mitosis
B. Meiosis
C. Fertilization
D. Implantation
E. Gestation

Question 49:

• WAEC 1989

What stage is illustrated by the diagram?

A. Lnterphase
B. Prophase
C. Metaphase
D. Anaphase
E. Telophase

Question 50:

• WAEC 1989

What is the name given to the structure labelled A at this stage of cell division?

A. Chromatin
B. Chromosome
C. Chromatid
D. Gene
E. Daughter-chromosome