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Biology 1998 JAMB Past Questions

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46
Toes of the feet ending in sharp, curved hook suitable for holding and tearing are most likely to belong to the bird with the bill in
  • A. I
  • B. II
  • C. III
  • D. IV
View Answer & Discuss (1) JAMB 1998
47

In the honey bee colony, the drones are

  • A. sterile males with reduced mouth parts
  • B. sterile males with well-developed mouth parts
  • C. fertile males with reduced mouth parts
  • D. fertile males with well-developed mouth parts
View Answer & Discuss (9) JAMB 1998
48
In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for
  • A. obtaining food
  • B. conserving nutrients
  • C. storing water
  • D. reducing transpiration
View Answer & Discuss (1) JAMB 1998
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49
The best explanation for the theories of natural selection is that
  • A. all organisms have equal capacity for survival in their habitats
  • B. organisms have varying capacities for survival in their habitats
  • C. organisms compete for resource and better competitors survive and thrive
  • D. habitats allow only organisms that will not have to compete for survival
View Answer & Discuss (2) JAMB 1998
50
The basic point of impact by changes which produce mutation is the
  • A. gametes
  • B. chromosomes
  • C. phenotype
  • D. zygote
View Answer & Discuss (7) JAMB 1998
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