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146
The two types of human tapeworm can be distinguished by the presence or absence of
  • A. scolex
  • B. hook
  • C. head
  • D. sucker
  • E. proglottis
View Answer & Discuss (15) JAMB 1981
147
All the following are digestive enzymes except
  • A. bile
  • B. lipase
  • C. maltase
  • D. pepsin
  • E. ptyalin
View Answer & Discuss (5) JAMB 1981
148
In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces
  • A. alcohol
  • B. oxygen
  • C. carbon dioxide
  • D. energy
  • E. ethanol
View Answer & Discuss (3) JAMB 1981
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149
Accommodation of the human eye is best described as the
  • A. ability to see distant objects
  • B. movement of upper and lower eyelids
  • C. focusing of near and distant objects
  • D. changing of lens shape due to varying light intensities
  • E. constant adjustment of the iris
View Answer & Discuss JAMB 1981
150

Normally any character shown by an organism is due to the effects of

  • A. hormones and chromosomes
  • B. chromosomes
  • C. mutation
  • D. hormones and genes
  • E. genes and environment
View Answer & Discuss (23) JAMB 1981
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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