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Biology Past Questions and Answers

Topic: Abiotic

Jamb Biology Questions - Abiotic

Question 16:
In the diagram, the species whose distribution is not affected by rainfall is
  • A Ii
  • B Iv
  • C I
  • D Iii
View Answer & Explanation
Question 17:
A crucible of 5 g m weighed 10 gm after filling with fresh soil. it is then heated in an oven at 100°c for 1 hour. After cooling in a desiccator, the weight was 8 gm. The percentage of water in the soil is
  • A 80%
  • B 60%
  • C 20%
  • D 40%
View Answer & Explanation
Question 18:
In fresh water marshes and swamps, the most important abiotic factors that organisms have to adapt to is
  • A Nature of substratum
  • B High salinity
  • C High temperature
  • D Low pH
View Answer & Explanation
Question 19:
Mass of crucible = 10g
Mass of crucible and soil before heating = 29g
Mass of a crucible and soil after heating = 18g
From the information above, determine the percentage of water in the given soil sample?
  • A 20%
  • B 25%
  • C 40%
  • D 50%
View Answer & Explanation
Question 20:
Which of the following instruments is used to measure relative humidity?
  • A Hydrometer
  • B Thermometer
  • C Hygrometer
  • D Anemometer
View Answer & Explanation