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2061
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
View Answer & Discuss (5) WAEC 1999
2062
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
View Answer & Discuss (1) WAEC 1999

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
2063
Which of the following organisms exhibits 'the stages listed above during conjugation?
  • A. Chlamydomonas
  • B. Euglena
  • C. Spirogyra
  • D. Volvox
View Answer & Discuss WAEC 1999
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2064
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 & Discuss (2) WAEC 1999
2065
The teeth used for tearing and cutting are
  • A. canine and molars
  • B. premolar and incisors
  • C. molar and incisors
  • D. canine and incisors
View Answer & Discuss WAEC 1999
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