Jamb Biology Past Questions For Year 2008
Question 41
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 42
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 43
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 44
Stomata of some plants are sunken and protected by hairs. These are features of
- A. mesophytes
- B. epiphytes
- C. hydrophytes
- D. xerophytes
Question 45
Which of the following is the most advanced evolutionary development in plants?
- A. possession of unicellular structures
- B. development of flowers
- C. dispersal of spores
- D. development of secondary thickening
