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

Question 6:

• JAMB 1978

Which of these is not a function of the mammalian skin/

A. Protection against bacteria infection
B. Excretion of waste and water
C. Production of vitamin d when exposed to sun light
D. Production of pigments to reduce temperature
E. Regulation of body temperature

Question 7:

• JAMB 1978

THE figure above shows diagram for the correction of shortsightedness. If the unbroken lines represents light rays from the object and the broken lines the refracted rays through the lens, which of these is correct

A. A
B. B
C. C
D. D
E. E

Question 8:

• JAMB 1979

Which of these is not an enzyme?

A. Pepsin
B. Gastrin
C. Amylase
D. Chymotrypsin
E. Trypsin

Question 9:

• JAMB 1979

When the ciliary muscles of the eye contract, the eye lens

A. Bulge
B. Contracts
C. Rotates
D. Flattens
E. Is rounded

Question 10:

• JAMB 1979

The part of the mammalian brain responsible for maintaining balance is

A. Medulla oblongata
B. Cerebellum
C. Optic lobe
D. Cerebrum
E. Olfactory lobe