Co-ordination and control - Jamb Biology Past Questions and Answers

Question 26:

• JAMB 1982

External ears of mammals consist of

A. Pinna and tympanum
B. Pinna only
C. Auditory meatus only
D. Auditory meatus and pinna
E. Auditory meatus and tympanum

Question 27:

• JAMB 1982

Which of these parts of the mammalian ears is directly concerned with the sense of balance?

A. Cochlea
B. Eustachian tube
C. Ear-drum
D. Pinna
E. Semicircular canals

Question 28:

• JAMB 1982

The three blood vessels that supply the mammalian alimentary canals are

A. Segmented artery, hepatic artery and coeliac artery
B. Coeliac artery, anterior mesenteric artery and posteroir mesenteric artery
C. Coelic artery, segmental artery and hepatic artery
D. Hepatic artery, anterior mesenteric artery and posterior mesenteric artery
E. Hepatic portal vein, anterior mesenteric artery and posterior mesenteric artery

Question 29:

• JAMB 1982

The mammalian pancreas is involved with the

A. Digestion of food only
B. Digestion and absorption of food
C. Digestion of food and regulation of blood sugar
D. Digestion of food, production of hormone and the regulation of blood
E. Digestion of food, and the regulation of blood

Question 30:

• JAMB 1983

Which of the following statements is NOT true of mammalian erythrocytes?

A. They have haemoglobin
B. They appear yellow when looked at singly
C. They are disc shaped
D. The cell are more numerous than leucocytes
E. They have nuclei at maturity