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Biology JAMB Past Questions

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151
Which of the following statement is NOT true of symbiosis?
  • A. Symbionts must be living
  • B. It is an association of 'give and take'
  • C. The association may involve two plants
  • D. Association between two similar species
  • E. Symbionts derive mutual benefit
View Answer & Discuss (4) JAMB 1981
152
A person whose blood can be donated to all other people, must have the blood group
  • A. O
  • B. AB
  • C. B
  • D. A
  • E. none of the above
View Answer & Discuss (6) JAMB 1981
153
If Benedict's solution gives a positive result in a food test, the food contains
  • A. sugar
  • B. protein
  • C. oil
  • D. fat
  • E. cellulose
View Answer & Discuss (9) JAMB 1981
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154
A surprising fact about sickle cell disease is that it
  • A. affects only black people
  • B. kills the patient
  • C. is hereditary
  • D. affects blood cells
  • E. weakens the patient
View Answer & Discuss (18) JAMB 1981
155
Nitrification means
  • A. conversion of nitrates to nitrogen
  • B. fixing nitrogen into plants
  • C. conversion of nitrates to nitrites
  • D. changing of ammonia to nitrities, then nitrates
  • E. nitrogen cycle
View Answer & Discuss (4) JAMB 1981
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