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Thursday, 14 May 2026
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Biology Past Questions and Answers

Topic: Respiration

Jamb Biology Questions - Respiration

Question 36:
A test tube containing yeast in glucose solution containing alkaline pyrogallol. The bubbles of carbon (IV) oxide produced indicates that the yeast cells are
  • A Respiring in the absence of oxygen
  • B Liberating oxygen on their own
  • C Living and consuming oxygen
  • D Being killed by the alcohol produced
View Answer & Explanation
Question 37:
A non - renewable alternative source of energy is
  • A Wind generator
  • B Solar panels
  • C Nuclear energy
  • D Hydroelectric power
View Answer & Explanation
Question 38:
Which of the following used diffusion as the principal method of gaseous exchange?
  • A Lizard
  • B Grasshopper
  • C Rat
  • D Earthworm
View Answer & Explanation
Question 39:
In the diagram, the experiment demonstrates
  • A Geotropism
  • B Thigmotropism
  • C Phototropism
  • D Hydrotropism
View Answer & Explanation
Question 40:
In the diagram, the part marked I will contain a high concentration of
  • A Ascorbic acid
  • B Abscisic acid
  • C Ethylene
  • D Auxin
View Answer & Explanation