Jamb Biology Past Questions and Answers

Question 1621:

• JAMB 2010

The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the

A. Veins
B. Right auricle
C. Arteries
D. Left ventricle

Question 1622:

• JAMB 2010

Circulation of blood to all parts of the body except the lungs is through

A. The pulmonary artery
B. Systemic circulation
C. The lympahatic system
D. Pulmonary circulation

Question 1623:

• JAMB 2010

Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and

A. Alcohol
B. Acid
C. Oxygen
D. Water

Question 1624:

• JAMB 2010

The sheet of muscle that separates the thoracic and the abdominal cavities is the

A. Diaphragm
B. Intercostal muscle
C. Pleural memberane
D. Pericardium

Question 1625:

• JAMB 2010

The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the

A. Sweet glands
B. Sebaceous glands
C. Fatty cells
D. Granular layer