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Biology 1992 WAEC Past Questions

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6
Which of the following is the medium of transportation of nutrients with unicellular organisms?
  • A. Blood
  • B. Serum
  • C. Protoplasm
  • D. Plasma
  • E. lymph
View Answer & Discuss (3) WAEC 1992
7
Which of the following blood vessels carries oxygenated blood into the heart?
  • A. Pulmonary vein
  • B. Anterior vena cava
  • C. Pulmonary artery
  • D. Aorta
  • E. Posterior vena cava
View Answer & Discuss (2) WAEC 1992
8
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
  • A. concentration gradient across the respiratory surface
  • B. presence of thin membrane as the respiratory surface
  • C. last transportation of absorbed gases
  • D. presence of large surface area of the respiratory organ
  • E. presence of small, dry surface area of the respiratory organ
View Answer & Discuss (2) WAEC 1992
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9
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
  • A. concentration gradient across the respiratory surface
  • B. presence of thin membrane as the respiratory surface
  • C. last transportation of absorbed gases
  • D. presence of larg surface area of the respiratory organ
  • E. presence of small, dry surface area of the respiratory organ
View Answer & Discuss (3) WAEC 1992
10
The respiratory organ found in the cockroach is the
  • A. air sac
  • B. trachea
  • C. lung book
  • D. lung
  • E. gill
View Answer & Discuss WAEC 1992
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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