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Saturday, 15 August 2026
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Biology Past Questions and Answers

Topic: Factors affecting the distribution of Organisms

Jamb Biology Questions - Factors affecting the distribution of Organisms

Question 6:
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
Question 7:
The initial volume of water poured into 60g bag of dry soil was 50ml and the amount that drained through was 35ml. The percentage water content of the fully soaked soil is therefore
  • A 46.7
  • B 25.0
  • C 20.0
  • D 30.0
  • E 58.3
View Answer & Explanation
Question 8:
Which of these animals is radially symmetrical?
  • A Squid
  • B Hydra
  • C Snail
  • D Cockroach
View Answer & Explanation
Question 9:
In an agricultural ecosystem, the biotic component consists of
  • A Crop, pest and beneficial insects
  • B Crops, temperature and humidity
  • C Pests, beneficial insects and water
  • D Crops, water and soil
View Answer & Explanation
Question 10:
Which of these disease CANNOT be prevented by immunization?
  • A Poliomyelitis
  • B Tuberculosis
  • C Cholera
  • D Onchocerciasis
View Answer & Explanation