FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 206:

• JAMB 1983

The function of the ossicles (malleus, incus and stapes) in the mammalian ear is

A. Transmission of vibrations
B. Regulation of pressure
C. Support of the inner ear
D. Maintenance of balance during motion
E. Secretion of oil

Question 207:

• JAMB 1983

Which of the following is NOT a characteristic of monocot plants?

A. Occurrence of secondary thickening
B. Parallel venation
C. Scattered vascular bundles
D. Floral parts arranged in threes
E. Perianth is usually insignificant

Question 208:

• JAMB 1983

Which of the following statements about the rate of transpiration is INCORRECT? It is

A. Dependent on temperature
B. Affected by changes in light intensity
C. Unaffected by humidity
D. Dependent on air movement
E. Affected by availability of water

Question 209:

• JAMB 1983

‘Jointed skeleton’ is absent in the

A. Cockroach
B. Spider
C. Millipede
D. Snail
E. Dragon fly

Question 210:

• JAMB 1983

Which of the following statements about the dentition of man is INCORRECT ? man has

A. More molars than incisors
B. No diastema
C. The same number of teeth on upper and lower jaw
D. A total of thirty-two teeth
E. A total of six molars