FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 131:

• JAMB 1981

The rate of transpiration of a leafy shoot would be highest under

A. Damp, cold, still air
B. Damp, warm, moving air
C. Dry, warm, moving air
D. Dry, cold, moving air
E. Dry, warm, still air

Question 132:

• JAMB 1981

What is name of the respiratory organ of the crab?

A. Tubules
B. Trachaea
C. Spiracles
D. Lungs
E. Gills

Question 133:

• JAMB 1981

All the following are digestive enzymes except

A. Bile
B. Lipase
C. Maltase
D. Pepsin
E. Ptyalin

Question 134:

• JAMB 1981

In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces

A. Alcohol
B. Oxygen
C. Carbon dioxide
D. Energy
E. Ethanol

Question 135:

• JAMB 1981

Accommodation of the human eye is best described as the

A. Ability to see distant objects
B. Movement of upper and lower eyelids
C. Focusing of near and distant objects
D. Changing of lens shape due to varying light intensities
E. Constant adjustment of the iris