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Biology 2004 WAEC Past Questions

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26
A solution which contains all the required elements in their correct proportions is known as a
  • A. culture nutrient
  • B. growth medium
  • C. complete culture solution
  • D. nutrient solution
View Answer & Discuss WAEC 2004
27

The deficiency of manganese in plants results in?

  • A. death of shoot
  • B. leaves turning yellow
  • C. stunted growth
  • D. poor root development
View Answer & Discuss (12) WAEC 2004
28

Which of the following is not true about a potted plant left in the laboratory for one week without watering?

  • A. the cells of the plant will be turgid
  • B. there will be wilting of the plant
  • C. the leaves are likely to tum yellow
  • D. plant will not take in enough nutrients
View Answer & Discuss (5) WAEC 2004
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29

The deficiency of vitamin D and calcium ions in the diet of a human causes

  • A. anaemia
  • B. night-blindness
  • C. kwashiokor
  • D. rickets
View Answer & Discuss (1) WAEC 2004
30
An organism is considered a heterotroph when it
  • A. feeds on inorganic food
  • B. feeds on already manufactured food
  • C. fixes atmospheric nitrogen
  • D. respires anaerobically
View Answer & Discuss (1) WAEC 2004
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