Search SchoolNGR

Saturday, 17 October 2026
Register . Login

Biology Past Questions and Answers

Jamb 2008 Biology Questions

Question 26:
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
View Answer & Explanation
Question 27:
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%
View Answer & Explanation
Question 28:
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
View Answer & Explanation
Question 29:
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
View Answer & Explanation
Question 30:
The Rhesus factor of blood was first identified in a category of
  • A Monkeys
  • B Human females
  • C Human males
  • D Chimpanzees
View Answer & Explanation