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1891
Which of the following is more concentrated in the blood within the renal artery than the blood within the
renal vein?
  • A. Urea
  • B. Red blood cells
  • C. Glucose
  • D. Protein
  • E. White blood cells
View Answer & Discuss (2) WAEC 1996
1892
Which of the following statements about the lymphatic system is not correct?
  • A. The lymph vessels are always larger in size than the arteries
  • B. The flow of lymph is assisted by general muscular movement
  • C. Lymph flows only in one direction due to the presence of valves
  • D. Lymph is emptied into the blood circulatory system through a vein
  • E. Lymph node becomes swollen during serious infections
View Answer & Discuss (1) WAEC 1996
1893
In which of the following groups is nephridium found?
  • A. Crustaceans
  • B. Reptiles
  • C. Birds
  • D. Mammals
  • E. Annelids
View Answer & Discuss WAEC 1996
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1894
The maintenance of a constant internal environment of an organism is known as
  • A. homeostasis
  • B. homeorhesis
  • C. turgidity
  • D. homoiothermy
  • E. diuresis
View Answer & Discuss WAEC 1996
1895
Which of the following is the effect of continuous tillage on an ecological system?
  • A. Addition of more. humus to the soil
  • B. Decrease in productivity
  • C. Increase in yield
  • D. Improved fertility
  • E. Prevention of erosion
View Answer & Discuss WAEC 1996
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