Jamb Biology 2008 Past Questions and Answers

Question 26:

• JAMB 2008

Stomata of some plants are sunken and protected by hairs. These are features of

A. Mesophytes
B. Epiphytes
C. Hydrophytes
D. Xerophytes

Question 27:

• JAMB 2008

An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is

A. PH
B. Oxygen
C. Light
D. Temperature

Question 28:

• JAMB 2008

In an experiment to determine the percentage of air in a soil sample, the following readings were recorded:
volume of water in measuring cylinder = 500 cm3
volume of soil added to water = 350 cm3
volume of water and soil after stirring = 800 cm3
the percentage of air in the soil sample is

A. 6.25%
B. 10.36%
C. 14.28%
D. 43.28%

Question 29:

• JAMB 2008

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted

A. Schistosomiasis
B. Onchocerciasis
C. Poliomyelitis
D. Salmonellosis

Question 30:

• JAMB 2008

The easiest way to establish the level of pollution in a local stream is to measure the level of

A. Oxygen
B. Carbon (IV) oxide
C. Ammonia
D. Alkalinity