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Biology 2023 JAMB Past Questions

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41

Which of the following characteristics is typical of the phylum Arthropoda?

  • A. Radial symmetry
  • B. Closed circulatory system
  • C. Endoskeleton made of bones
  • D. Presence of a segmented body
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42

Which of the following is an example of conserving resources in an ecosystem

  • A. Excessive use of chemical fertilizers in agriculture
  • B. Introducing invasive species to an ecosystem
  • C. Implementing sustainable fishing practices
  • D. Cutting down trees for timber production
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43

Which of the following represents the correct hierarchical organization of life from the smallest to the largest scale?

  • A. Organs, tissues, cells, organisms, populations, communities, ecosystems
  • B. Cells, organs, tissues, organisms, populations, communities, ecosystems
  • C. Tissues, organs, cells, organisms, populations, communities, ecosystems
  • D. Cells, tissues, organs, organisms, populations, communities, ecosystems
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44

Which of the following blood vessels carries oxygenated blood away from the heart?

  • A. Arteries
  • B. Venules
  • C. Capillaries
  • D. Veins
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45

Which of the following factors primarily affects the distribution of organisms in an ecosystem

  • A. Wind speed
  • B. Soil pH
  • C. Temperature
  • D. Day length
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