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Biology Past Questions and Answers

Waec Biology Questions

Question 596:
Use the information below on factors required during photosynthesis to answer the two questions

I. CO2 II. Chlorophyll III. Water IV. ATP V NADPH2


Which of the above factors can be a limiting factor for the process to proceed?
  • A I and II only
  • B I and III only
  • C I and IV only
  • D I, III and IV only
View Answer & Explanation
Question 597:
Use the information below on factors required during photosynthesis to answer the two questions

I. CO2 II. Chlorophyll III. Water IV. ATP V NADPH2


The factors required for the dark phase of photosynthesis are
  • A III and IV only
  • B III and V only
  • C III, IV and V only
  • D IV and V only
View Answer & Explanation
Question 598:
In water- culture experiments the culture solutions are protected from sunlight in order to
  • A Control the temperature of the culture solution
  • B Prevent algae from growing in the solution
  • C Prevent the minerals in the solution from being destroyed
  • D Allow the minerals to be used up at room temperature
View Answer & Explanation
Question 599:
The importance of a balanced diet is to
  • A Maintain constant size of an animal
  • B Provide good taste in the food
  • C Increase the effectiveness of digestion
  • D Provide good health for an individual
View Answer & Explanation
Question 600:
The dentition of a herbivore is distinct from that of other animals due to the presence of
  • A Diastema
  • B Cusps on molar teeth
  • C Canines
  • D Ridges on molar teeth
View Answer & Explanation