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Biology Past Questions and Answers

Waec Biology Questions

Question 571:
One of the similarities between algae and mosses is their possession of
  • A Chlorophyll
  • B Stem
  • C Leaves
  • D Roots
View Answer & Explanation
Question 572:
The vessel that carries blood from the heart to the lungs is called an artery because it
  • A Contains oxygenated blood
  • B Contains more blood than the other vessels
  • C Carries blood away from the heart
  • D Has thick inelastic wall
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Question 573:
During anaerobic respiration in skeletal muscles, pyruvic acid is
  • A Reduced to lactic acid
  • B Oxidized to ethanol
  • C Oxidized to lactic acid
  • D Reduced to water
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Question 574:
Use the information on the stages involved in conjugation to answer the 2 questions below

I. Transfer of one cell content into the adjacent cell ll. Formation of a conjugation tube III. Secretion of thick
wall to form a zygospore IV. Formation of a protuberance V. Germination of a filament


Which of the following organisms exhibits 'the stages listed above during conjugation?
  • A Chlamydomonas
  • B Euglena
  • C Spirogyra
  • D Volvox
View Answer & Explanation
Question 575:
Use the information on the stages involved in conjugation to answer the 2 questions below

I. Transfer of one cell content into the adjacent cell ll. Formation of a conjugation tube III. Secretion of thick
wall to form a zygospore IV. Formation of a protuberance V. Germination of a filament


Which of the following arrangements is the correct sequence of the process?
  • A II, I, IV, V and III
  • B IV, II, I, III and V
  • C IV, I, II, V and III
  • D V, II, III, IV and I
View Answer & Explanation