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Biology 2009 JAMB Past Questions

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36

During the dry season in the tropics, the body metabolism of some animals slow to a minimal level in a process referred to as?

  • A. hibernation
  • B. aestivation
  • C. dormancy
  • D. senescense
View Answer & Discuss (19) JAMB 2009
37
According to Darwin, the driving force behind evolutionary change is
  • A. natural selection
  • B. genetic drift
  • C. mutation
  • D. gene flow
View Answer & Discuss (3) JAMB 2009
38

Use the diagram above to answer this question.

The structure that controls loss of water vapour during transpiration is labelled

  • A. l
  • B. ll
  • C. lll
  • D. lV
View Answer & Discuss (3) JAMB 2009
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39

Use the diagram above to answer this question.

The part labelled l is the

  • A. spongy mesophyll
  • B. upper epidemis
  • C. cuticle
  • D. vein
View Answer & Discuss (8) JAMB 2009
40

Use the diagram above to answer this question.

Emulsification of fats takes place in the part labelled?

  • A. l
  • B. ll
  • C. lll
  • D. lV
View Answer & Discuss (20) JAMB 2009
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