Jamb Biology 2006 Past Questions and Answers

Question 26:

• JAMB 2006

The causative agent of typhoid fever is

A. Salmonella
B. Entamoeba
C. Escherichia
D. Shigella

Question 27:

• JAMB 2006

Grasses recover quickly from bush fires in the savanna because of their

A. Perennating organs
B. Rapid growth rate
C. Fibrous roots
D. Succulent stems

Question 28:

• JAMB 2006

Climax communities in a biotic succession are usually characterized by

A. A constant change in the appearance of the communities
B. Different species that are constantly changing
C. A stable composition of plant and animal species
D. Rapid changes in the plant and animal species

Question 29:

• JAMB 2006

The soil type that contain nutrients which are not readily available for plants is

A. Alluvial
B. Clayey
C. Sandy
D. Loamy

Question 30:

• JAMB 2006

A population that doubles in size at constant intervals is an indication of

A. Sigmoid growth
B. Exponential growth
C. Population explosion
D. Rapid growth