Respiration - Jamb Biology Past Questions and Answers

Question 16:

• JAMB 1982

Which of the following statements is TRUE of inhalation of air by man?

A. The ribs are not raised
B. Diaphragm is raised
C. Intercostal muscles relax
D. Pressure of the thoracic cavity increase
E. Size of thoracic cavity increase

Question 17:

• JAMB 1984

Anaerobic respiration in yeast produces

A. Carbondioxide and ethanol
B. Carbondioxide and water
C. Carbondioxide and oxygen
D. Carbondioxide and glucose
E. Ethanol and water

Question 18:

• JAMB 1984

Heat produced in tissue respiration in plants is

A. A chemical form of energy
B. The only form of energy
C. The main form of energy
D. A useful form of energy
E. A waste form of energy

Question 19:

• JAMB 1985

Which of the following events does NOT occur during anaerobic respiration of glucose?

A. Muscle cells produce lactic acid
B. Carbon dioxide is produced
C. Milk bacteria produce lactic acid
D. Energy is not produced
E. Germinating seeds produced alcohol

Question 20:

• JAMB 1986

The equation that can be used to summarize the process of anaerobic breakdown of sugar is

A. C₂H₁₂O₆ 2C₂H₅OH + 2CO₂
B. 6Co₂ + 6H₂O C₆H₁₂O₆ + 6O₂
C. C₆H₁₂O₆ + 6O₂ 6CO₂ + 6H₂O + enegy
D. C₆H₁₂O₆ 2C₂H₅OH + 2CO₂ + energy