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Sunday, 26 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 386:
Which of the following is NOT regarded as a pollutant on land or in the air?
  • A Smoke
  • B Noise
  • C Sulphur (IV) oxide
  • D Carbon monoxide
  • E Nitrogen
View Answer & Explanation
Question 387:
Which of the following groups of factors is completely abiotic?
  • A Salinity, tide, plankton, turbidity
  • B Temperaure, pH, soil, insect
  • C Wind, altitude, humidity, light
  • D Conifers, wind, pH, rainfall
  • E Soil, water, bacteria, salinity
View Answer & Explanation
Question 388:
Which of the following lists of diseases, their causes and transmission is CORRECT?
  • A Cholera, virus, severe diarrhoea, infected water
  • B Malaria, protozoan, high fever, contact with infected person
  • C Syphilis, virus, veneral disease, sexual intercourse
  • D Small pox, virus, skin with blister, close contact with infected person
  • E Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite
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Question 389:
Erosion can be reduced along shape by
  • A Ridging across slope
  • B Ridging up slope
  • C Ridging down slope
  • D Crop rotation
  • E Bush fallowing system
View Answer & Explanation
Question 390:
If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows
  • A Humus, clay, silt, sand, stones
  • B Humus, silt, clay, sand, stones
  • C Humus, clay,silt, stones, sand
  • D Humus, sand, silt, clay, stones
  • E Clay, humus, silt, sand, stones
View Answer & Explanation