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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
1591

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 1993
1592
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
  • A. concentration gradient across the respiratory surface
  • B. 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 WAEC 1993
1593
The respiratory organ found in the cockroach is the
  • A. air sac
  • B. trachea
  • C. lung book
  • D. lung
  • E. gill
View Answer & Discuss (1) WAEC 1993
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1594
Which of the following structures functions as an excretory, system found in flatworm?
  • A. Contractile vacuole
  • B. Nephridium
  • C. Flame cell
  • D. Malplghlan tubule
  • E. Kidney
View Answer & Discuss WAEC 1993
1595
Which of the following organs is associated with deamination of proteins?
  • A. Lung
  • B. Stomach
  • C. Kidney
  • D. Liver
  • E. Heart
View Answer & Discuss (1) WAEC 1993
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts