Jamb Biology 2003 Past Questions and Answers

Question 11:

• JAMB 2003

The cell component that is present in a prokaryotic cell is the

A. Chloroplast
B. Ribosome
C. Mitochondrion
D. Nuclear envelope

Question 12:

• JAMB 2003

The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

A. Denitrifying bacteria
B. Saprophytic bacteria
C. Rhizobium
D. Nitrosomonas

Question 13:

• JAMB 2003

If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the

A. Xylem
B. Epidermis
C. Phloem
D. Parenchyma

Question 14:

• JAMB 2003

The aim of the experiment is to demonstrate

A. That in mammal gaseous exchange takes place in the lungs
B. The part played by the pleural cavity and diaphragm in respiration
C. That a large amount of oxygen is absorbed by the lungs
D. The presence of carbon (IV) oxide in the exhaled air

Question 15:

• JAMB 2003

In the experimental set-up, the rubber sheet represents the organ called

A. Pleural cavity
B. Lungs
C. Diaphragm
D. Intercostal muscles