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Biology 2003 JAMB Past Questions

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11
The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with
  • A. denitrifying bacteria
  • B. Saprophytic bacteria
  • C. Rhizobium
  • D. Nitrosomonas
View Answer & Discuss (5) JAMB 2003
12
If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the
  • A. xylem
  • B. epidermis
  • C. phloem
  • D. parenchyma
View Answer & Discuss (4) JAMB 2003
13
The aim of the experiment is to demonstrate
  • A. that in mammal gaseous exchange takes place in the lungs
  • B. the part played by the pleural cavity and diaphragm in respiration
  • C. that a large amount of oxygen is absorbed by the lungs
  • D. the presence of carbon (IV) oxide in the exhaled air
View Answer & Discuss (18) JAMB 2003
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14
In the experimental set-up, the rubber sheet represents the organ called
  • A. pleural cavity
  • B. lungs
  • C. diaphragm
  • D. intercostal muscles
View Answer & Discuss (2) JAMB 2003
15
The dark reaction of photosynthesis involves the
  • A. reduction of carbon(IV)oxide to organic
  • B. release of oxygen and the splitting of water
  • C. photolysis of water and the production of starch
  • D. splitting of water into hydrogen
View Answer & Discuss (1) JAMB 2003
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