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Biology 1999 JAMB Past Questions

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11
In plant cells, the chloroplast are located
  • A. inside the cell wall
  • B. outside the protoplasm
  • C. within the vacuole
  • D. within the cytoplasm
View Answer & Discuss (2) JAMB 1999
12
In the woody stems, gaseous exchange takes place through the
  • A. micropyles
  • B. stomata
  • C. lenticels
  • D. vessels
View Answer & Discuss JAMB 1999
13

Substance manufactured by the leaves are transported to other parts of the plant through the

  • A. phloem
  • B. companion cells
  • C. sieve tubes
  • D. cambium
View Answer & Discuss (26) JAMB 1999
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14
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
15
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
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