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Biology 1993 JAMB Past Questions

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31
What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism?
  • A. Habitat
  • B. Biome
  • C. Ecosystem
  • D. Ecological niche
View Answer & Discuss (6) JAMB 1993
32
Important abiotic factors which affects all plants and animals in the habitat are
  • A. temperature and turbidity
  • B. rainfall and relative humididty
  • C. salinity and wind direction
  • D. temperature and rainfall
View Answer & Discuss (7) JAMB 1993
33
The most important physical factor which affects an organism living in the intertidal zone of the seashore is
  • A. pH
  • B. salinity
  • C. wave action
  • D. temperature
View Answer & Discuss (4) JAMB 1993
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34
At which trophic level would the highest accumulation of a non-biodegradable substance occur?
  • A. Primary producers
  • B. Tertiary consumers
  • C. Primary consumers
  • D. Secondary consumers
View Answer & Discuss (3) JAMB 1993
35

Two organisms of different species, living in close association but not dependent on each other are referred to as

  • A. parasites
  • B. commensals
  • C. symbionts
  • D. autotrophs
View Answer & Discuss (34) JAMB 1993
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