Waec Biology Past Questions

Question 16

Which of the following pairs of organisms exist as colonies?

waec 2005

  • A. Obelia and Euglena
  • B. Pandorina and Volvox
  • C. Chlamydomonas and Amoeba
  • D. Hydra and Spirogyra
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Question 17

Only specially adapted micro-organisms are found in

waec 2005

  • A. salty water
  • B. humid air
  • C. moist soil
  • D. mouth cavities
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Question 18

Which of the following statements is true about movement of the forearm? In

waec 2005

  • A. bending the arm, the biceps relax and the triceps contract
  • B. bending the arm, the biceps contract and the triceps relax
  • C. straightening the arm the biceps contract and the triceps relax
  • D. straightening the arm, both biceps and triceps contract
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Question 19

The basis of growth involves the following processes except

waec 2005

  • A. cell reduction
  • B. cell division
  • C. cell differentiation
  • D. cell enlargement
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Question 20

The role of ATP include all the following activities excerpt

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  • A. provision of energy to do work in living organisms
  • B. transmission of nerve impulse
  • C. keeping the body warm in homoithermic animals
  • D. producing water during aerobic respiration
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