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936
After a meal of yam has been digested, the highest concentration of glucose is to be found in the
  • A. hepatic artery
  • B. pulmonary vein
  • C. hepatic portal vein
  • D. posterior vena cava
View Answer & Discuss (4) JAMB 1999
937
The dark reaction of photosynthesis involves
  • A. fixation of carbon (IV) oxide to give six-carbon sugar
  • B. fixation of carbon (IV) oxide with the help of oxygen
  • C. use of carbon (IV) oxide to produce glucose using ATP
  • D. fixation of carbon (IV) oxide on chlorophyll using hydrogen
View Answer & Discuss (8) JAMB 1999
938

Mammals acclimatize to reduced oxygen content at high altitudes by

  • A. the stimulation of marrow to reduce the amount of erythrocytes produced
  • B. increasing the rate at which erythrocytes are destroyed
  • C. the stimulation of marrow to produce more erythrocytes
  • D. increasing the break down of the protein portion of the erythrocytes
View Answer & Discuss (31) JAMB 1999
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939
The modes of nutrition in Nitrobacter, Ascaris and Homo sapiens respectively are
  • A. photosynthetic , parasitic and holozoic
  • B. chemosynthetic, parasitic and holozoic
  • C. photosynthetic, parasitic and heterophytic
  • D. chemosynthetic, holophytic and holozoic
View Answer & Discuss (7) JAMB 1999
940
The richest source of vitamin A are
  • A. palm oil and groundnut oil
  • B. palm oil and carrot
  • C. rice and groundnut oil
  • D. oranges and carrot
View Answer & Discuss (11) JAMB 1999
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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