Waec Biology 1998 Past Questions and Answers

Question 21:

• WAEC 1998

The hormone that promotes secondary sexual characteristics in females is

A. Insulin
B. Thyroxin
C. Testosterone
D. Oxytocin
E. Oestrogen

Question 22:

• WAEC 1998

The cell body in the diagram labelled

A. I
B. II
C. III
D. IV
E. V

Question 23:

• WAEC 1998

The function of the part labelled II in the diagram is to

A. Transmit impulse from one end of the cell to the other
B. Manufacture food for the cell
C. Protect the axon
D. Produce energy for the cell
E. Detect electrical impulses

Question 24:

• WAEC 1998

The organ responsible for equalising air pressure in the ear is
the

A. Sacculus
B. Utriculus
C. Eustachian tube
D. Ampulla
E. Air ossicle

Question 25:

• WAEC 1998

Which of the following organisms lacks a reproductive organ?

A. Chlamydomonas
B. Toad
C. Pride of Barbados
D. Cockroach
E. Man