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Biology 1999 JAMB Past Questions

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36
Vaccination is carried out in order to
  • A. check the production of poison
  • B. increase the activity of white blood cells
  • C. increase the number of red blood cells
  • D. stimulate the production of antibodies
View Answer & Discuss (4) JAMB 1999
37
A soil consisting of alumina and iron (II)oxide is known as
  • A. loamy soil
  • B. clayey soil
  • C. laterite
  • D. podzol
View Answer & Discuss (3) JAMB 1999
38

The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as +0 is known as

  • A. predation
  • B. commensalism
  • C. parasitism
  • D. competition
View Answer & Discuss (3) JAMB 1999
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39
Which of the following characterizes the white mangrove?
  • A. Prop roots
  • B. Buttress roots
  • C. Breathing roots
  • D. Stilt roots
View Answer & Discuss (12) JAMB 1999
40

If the offspring of a cross between a brown mouse (bb) and a black mouse (BB) are allowed to interbreed, how many different genotypes would result?

  • A. 2
  • B. 3
  • C. 4
  • D. 5
View Answer & Discuss (18) JAMB 1999
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