Jamb Biology 1997 Past Questions and Answers

Question 11:

• JAMB 1997

In mammals, the exchange of nutrients and metabolic products occurs in the

A. Lymph
B. Lungs
C. Heart
D. Liver

Question 12:

• JAMB 1997

the part of the stomach nearer the gullet is called th

A. Epiglottis
B. Cardiac spincter
C. Duodenum
D. Pyloric sphincter

Question 13:

• JAMB 1997

Trace elements are required by plants mainly for the

A. Formation of pigments and enzymes
B. Production of energy and hormones
C. Manufactured of carbohydrates
D. Manufacture of proteins

Question 14:

• JAMB 1997

The part that is similar to the bone is labelled

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

Question 15:

• JAMB 1997

The part labelled I and II constitute the

A. Crown
B. Neck
C. Root
D. Gum