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Biology Past Questions and Answers

Jamb 2003 Biology Questions

Question 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
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Question 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
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Question 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
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Question 14:
In the experimental set-up, the rubber sheet represents the organ called
  • A Pleural cavity
  • B Lungs
  • C Diaphragm
  • D Intercostal muscles
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Question 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 & Explanation