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6

During the process of breathing, volume and pressure change occur as a result of the movement of the parts labelled?

  • A. I and II
  • B. II and IV
  • C. III and VII
  • D. IV and V
  • E. VI and VII
View Answer & Discuss (4) WAEC 1993
7

Which of these processes removes carbon from the atmosphere?

  • A. Putrefaction of animals
  • B. Burning of fuels
  • C. Photosynthesis
  • D. Volcanic eruption
  • E. Respiration in plants
View Answer & Discuss (3) WAEC 1995
8

The sheet of muscle that separates the thoracic and the abdominal cavities is the?

  • A. diaphragm
  • B. intercostal muscle
  • C. pleural memberane
  • D. pericardium
View Answer & Discuss JAMB 2010
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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9

The lime water in container C turned milky because?

The lime water in container C turned milky because - Myschool

 

 

  • A. Carbon dioxide was produced by plant during respiration
  • B. Carbon dioxide entered through the filter pump
  • C. Oxygen reacts with lime water to produce milkiness
  • D. Soda lime did not remove carbon dioxide from the air
  • E. The delivery tubes were not well connected
View Answer & Discuss (7) JAMB 1980
10

The rate of diffusion of molecules between two media will be higher if_________?

  • A. the difference in concentration of the two media is low
  • B. the difference in concentration of the two media is negligible
  • C. the difference in concentration of the two media is high
  • D. there is no difference in the concentration of the two media
View Answer & Discuss (4) WAEC 2019
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208