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Friday, 19 June 2026
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Agricultural Science Past Questions and Answers

Jamb Agricultural Science Questions

Question 206:
Smut disease of cereals is caused by a
  • A Bacterium
  • B Fungus
  • C Protozoan
  • D Nematode
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Question 207:
Improvement of yam through breeding is difficult because
  • A It possesses no sexual reproductive system
  • B Naturally growing types have to be used
  • C Its rapid multiplication is very difficult
  • D Its genes do not segregate
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Question 208:
Leguminous cover crops do not
  • A Bind the soil particles together through their roots
  • B Increase the nitrogen content of soils
  • C Aid in improving the soil organic matter content
  • D Reduce the soil microbial population
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Question 209:
Maize is a very important crop because apart from serving as a staple, it
  • A Is ploughed into the soil to increase fertility
  • B Can be processes into corn flakes
  • C Forms the base of most livestock feeds
  • D Is used for producing germ oil
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Question 210:
Andropogon gayanus is commonly called
  • A Guinea grass
  • B Elephant grass
  • C Gamba grass
  • D Spear grass
View Answer & Explanation