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61

Double fertilization is said to occur in flowering pants because?

  • A. two embryos are formed
  • B. one egg is fertilized twice
  • C. two sperms fertilize each egg
  • D. one embryo and endosperm nucleus are formed
  • E. two sperms and two pollen grains are involved
View Answer & Discuss (2) WAEC 1988
62
THe bicuspid valve is located between the
  • A. left auricle and left ventricle
  • B. aorta and left ventricle
  • C. superior vena cava and inferior vena cava
  • D. right auricle and superior vena cava
  • E. right auricle and right ventricle
View Answer & Discuss (3) WAEC 1988
63
The pulmonary artery carries
  • A. deoxygenated blood from the right ventricles to the lungs
  • B. oxygenated blood from the right ventricle to the lungs
  • C. oxygenated blood from the left ventricles to the ventricles to the right auricle
  • D. deoxygenated blood from the left ventricles to the right auricles
  • E. oxygenated blood from the lings to the right auricles
View Answer & Discuss (2) WAEC 1988
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64
Which of the following blood components has the greatest affinity for oxygen and carbondioxide?
  • A. Blood plasma
  • B. Leucocytes
  • C. Thrombocytes
  • D. Erythrocytes
  • E. Lymphocytes
View Answer & Discuss (5) WAEC 1988
65
The thoracic cavity is separated from the abdominal cavity by a sheet of muscle called
  • A. pleural membrane
  • B. intercostal muscles
  • C. diaphragm
  • D. pericardium
  • E. epiglottis
View Answer & Discuss (1) WAEC 1988
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