Biology JAMB, WAEC, NECO AND NABTEB Official Past Questions

43

Mealy bugs are pests of

  • A. cassava
  • B. cotton
  • C. maize
  • D. rice
  • E. yarn
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44

Blood groups and tongue rolling are examples of

  • A. continuous variation
  • B. discontinuous variation
  • C. variation due to environment
  • D. adaptive variation
  • E. sex-linked variation
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45

Food wastage is caused by the following EXCEPT

  • A. attack of moulds on farm crops
  • B. lack of access roads
  • C. lack of transportation
  • D. poor harvesting methods
  • E. proper storage
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46

Stunted growth and reduced yield in cassava plant is as a result of a disease called

  • A. blight
  • B. leaf curl
  • C. leaf spot
  • D. mosaic
  • E. smut
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