Biology 1990 Waec Past Questions and Answers

Question 31 :

• WAEC 1990

Which of the following parts of the' tongue does not correspond to the taste indicated against it?

A. Tip-sweet
B. Centre salt
C. Back-sour
D. Side-sour
E. Back-bitter

Question 32 :

• WAEC 1990

The structures labelled III, VI, IV and II respectively represent the

A. Uterus, cervix, oviduct and ureter
B. Cervix, oviduct, uterus and ureter
C. Oviduct, uterus, ureter and cervix
D. Vagina, cervix, oviduct and uterus
E. Uterus, cervix, ovary and oviduct

Question 33 :

• WAEC 1990

The gamete is produced in the structure labelled

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

Question 34 :

• WAEC 1990

What is the difference between viviparous and oviparous animals?

A. Possession of yolked eggs
B. Laying of unfertilized eggs
C. Possession of yolkless eggs
D. Protection of eggs from predator
E. Laying and brooding of eggs

Question 35 :

• WAEC 1990

The structure of the embryo which develops and makes contact with the uterine
wall is known as the

A. Umbilical cord
B. Placenta
C. Allantois
D. Amnion
E. Chorion