Biology 1980 Jamb Past Questions and Answers

Question 46 :

• JAMB 1980

Why is the part labelled 5 thicker than 6?

A. 5 is the left ventricle and 6 the right ventricle
B. 6 is the left ventricle and 5 the right ventricle
C. 5 receives blood from the left auricle and 6 from the right
D. 5 pumps blood round the body and 6 pumps blood into the lungs
E. 5 deals with oxygenated blood and 6 deals with deoxygenated blood

Question 47 :

• JAMB 1980

Which of the labelled parts is the venga caval opening?

A. 1
B. 2
C. 3
D. 4
E. 5

Question 48 :

• JAMB 1980

The testa

A. Is normally absent
B. Is included in the part numbered (1)
C. Is fused in the part numbered (3)
D. Is the part numbered (1)
E. Surrounds the part numbered (4) and (5)

Question 49 :

• JAMB 1980

Reserved food materials is

A. Stored in the parts numbered 2 and 3
B. Stored in the part numbered 3 only
C. Stored in the part numbered 4 and 5
D. Not concentrated in any particular part
E. Found in all except 1

Question 50 :

• JAMB 1980

The lime water in container C turned milky because

A. Carbon dioxide was produced by plant
B. During respiration carbon dioxide entered C
C. Oxygen reacts with lime water to produce milkiness
D. Soda lime did not remove carbon dioxide from air
E. The delivery tubes were not well connected