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Which of the following is not a characteristic feature of protozoans?

  • A.binary fission
  • B.contractile vacuole
  • C.cell membrane as an outer body covering
  • D.pseudopodia

Answer: C

Correct answer: cell membrane as an outer body covering

A bare plasma membrane distinguishes nothing, since every cell has one, and many protozoa have more - a firm pellicle in Paramecium and Euglena, a shell in the foraminiferans, a test in the arcellids. Binary fission, the contractile vacuole and pseudopodia are all features the group is characterised by.

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