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The part labelled II is made up of

Biology
WAEC 1989

The part labelled II is made up of

  • A. carbohydrates
  • B. contractile vacuole
  • C. waste materials
  • D. protein materials
  • E. food particles
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Correct Answer: Option B
Explanation

The unicellular euglena needs to regulate water levels within its body uses a contractile vacuole for this, which expels excess water and thus ensures osmoregulation.

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