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Biology 1991 JAMB Past Questions

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21

After 30 minutes, the level of sugar solution in the above figure will?

  • A. rise in x only
  • B. rise in Y only
  • C. be the same in X and Y
  • D. fall in Y
View Answer & Discuss (9) JAMB 1991
22
The process by which water moves from X to Y through the semi-permeable membrane is called
  • A. diffusion
  • B. osmosis
  • C. active diffusion
  • D. osmoregulation
View Answer & Discuss (2) JAMB 1991
23
Fibrinogen and prothrombin play important roles in the
  • A. deamination of proteins
  • B. clotting of blood
  • C. detoxication of substance
  • D. storage of vitamins
View Answer & Discuss (2) JAMB 1991
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24
Deoxygenation blood flows into the right and left lungs through the
  • A. pulmonary vein
  • B. vena cava
  • C. pulmonary artery
  • D. subclavian vein
View Answer & Discuss (2) JAMB 1991
25
Which of the following is a plant excretory product?
  • A. Oil
  • B. Cytokinin
  • C. Resin
  • D. Amino acids
View Answer & Discuss (2) JAMB 1991
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