Waec Biology Past Questions and Answers

Question 81:

• WAEC 1990

At which of the following stages of mitosis do the two daughter chromosomes separate completely?

A. Early prophase
B. Telophase
C. Anaphase
D. Late prophase
E. Metaphase

Question 82:

• WAEC 1990

Which of the following processes is not evident from the drawing?

A. Lining up of the chromosomes at the equatorial plate
B. Centromere attaching a pair of chromatids to a spindle fibre
C. Chromatids held by centromere
D. Absence of nuclear membrane
E. Chromatids moving to the poles

Question 83:

• WAEC 1990

The stage of mitosis represented in the diagram is known as the

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

Question 84:

• WAEC 1990

Which of the following is not a function of the mammalian skeleton? It

A. Gives the body its shape
B. Provides a framework on which internal organs are suspended
C. Protects soft and delicate parts of the body
D. Provides attachment for muscles
E. Contracts and relaxes to bring about movement

Question 85:

• WAEC 1990

What type of vertebra is represented in the diagram?

A. Atlas
B. Axis
C. Cervical vertebra
D. Sacrum
E. Lumbar vertebra