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Biology 1989 WAEC Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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11
Which of the following statements is not true of osmotic process?
  • A. There must be a selectively permeable membrane
  • B. The two solutions must be of different concentrations initially
  • C. t involves only the movement of water molecules
  • D. Equilibrium is reached when there is equal distribution of water molecules
  • E. . The two solutions are of equal concentration at the beginning of experiment.
View Answer & Discuss WAEC 1989
12
Which of the following is the correct route for the movement of materials through the kidney?
  • A. Glomerulus → Bowman’s capsule → Loop of Henle → Collecting tubule → Pelvis
  • B. Glomerulus → Loop of Henle → Collecting tubule → Bowman’s capsule → Pelvis
  • C. Pelvis → Bowman’s capsule → Glomerulus →Loop of Henle → Collecting tubule
  • D. Bowman’s capsule → Glomerulus → Loop of Henle → Collecting tubule → Pelvis
  • E. Bowman’s capsule → Loop of Henle →Glomerulus → Collecting tubule → Pelvis
View Answer & Discuss (2) WAEC 1989
13
Which of the following is the function of the hormone in the lslets of Langerhans?
  • A. is used in protein metabolism
  • B. is involved in sugar synthesis
  • C. aids the rate at which glucose is converted to glycogen
  • D. controls the fluid content of the body
  • E. plays a role in the pH balance of the body fluid
View Answer & Discuss (2) WAEC 1989
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14
Blood in mammals transports oxygen because it contains the pigment called
  • A. haemoglobin
  • B. chlorocruorin
  • C. melanin
  • D. haemocyanin
  • E. haemoerythrin.
View Answer & Discuss WAEC 1989
15

In which of the following is cilia not associated with movement or transport of materials?

  • A. Fallopian tube funnel
  • B. Ectoplasm of paramecium
  • C. Lining of the mammalian trachea
  • D. Mammalian alimentary canal
  • E. Oral groove of paramecium.
View Answer & Discuss (4) WAEC 1989
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