Waec Biology 1988 Past Questions and Answers

Question 1:

• WAEC 1988

what stage mitotic division is represented in the diagram of the cell illustrated above

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

Question 2:

• WAEC 1988

what stage mitotic division is represented in the diagram of the cell illustrated above

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

Question 3:

• WAEC 1988

This stage of mitosis is characterized by the

A. Movement of the chromosome to the poles
B. Arrangement of chromosomes on the equitorial planes
C. Centromeres moving apart along the spindle
D. Interaction of the spindles with the chromosomes
E. Condensation of chromosomes and formation of spindles

Question 4:

• WAEC 1988

The ability of organisms to maintain a constant internal environment is known as

A. Diuresis
B. Endosmosis
C. Plasmolysis
D. Dialysis
E. Homeostasis

Question 5:

• WAEC 1988

Double fertilization is said to occur in flowering pants because

A. Two embryos are formed
B. One egg is fertilized twice
C. Two sperms fertilize each egg
D. One embryo and endosperm nucleus are formed
E. Two sperms and two pollen grains are involved