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Thursday, 14 May 2026
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Biology Past Questions and Answers

Topic: Respiration

Jamb Biology Questions - Respiration

Question 6:
During thunderstorms the energy of lightning discharge causes
  • A Oxygen and nitrogen to combine
  • B More carbon dioxide to be formed
  • C Nitrites to be converted to nitrates
  • D Nitrates to be converted to nitrogen
  • E Death
View Answer & Explanation
Question 7:
Which of the labelled parts is the venga caval opening?
  • A 1
  • B 2
  • C 3
  • D 4
  • E 5
View Answer & Explanation
Question 8:
The glottis is the opening which leads to the
  • A Oesophagus
  • B Larynx
  • C Nostrils
  • D Pharynx
  • E Mouth
View Answer & Explanation
Question 9:
Roots of plants are normally
  • A Positively phototropic
  • B Negatively geotropic
  • C Negatively hydrotropic
  • D Positively hydrotropic
  • E Negatively chemotropic
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Question 10:
Anaerobic respiration in yeast produces
  • A Carbondioxide and ethanol
  • B Carbondioxide and water
  • C Carbondioxide and oxygen
  • D Carbondioxide and glucose
  • E Ethanol and water
View Answer & Explanation