Question 286:

• 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 287:

• JAMB 1982

If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?

A. Digestion of fats and oil
B. Formation of urea
C. Digestion of starch
D. Conversion of protein
E. Storage and release of the urine

Question 288:

• JAMB 1982

Flatworms and roundworms are said to be invertebrates because

A. They are small animals
B. They can live inside the vertebrates
C. Some of them are unicellular
D. They have no backbones
E. They are parasitic

Question 289:

• JAMB 1982

Where is the energy produced in a cell?

A. Nucleus
B. Nucleolus
C. Lysosomes
D. Chloroplast
E. Mitochondria

Question 290:

• JAMB 1982

In which part of a leguminous plant can you find bacteria like Azotobacter?

A. Spongy mesophyll of leaf
B. At the nodes
C. At the internodes
D. In nodules
E. Palisade mesophyll of leaf