WAEC Biology 2024 Objective — Question 3
Question 3 of 50 from the West African Examinations Council (WAEC) Biology 2024 Objective paper, with the correct answer and a full explanation.
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A structural similarity between Paramecium and Amoeba is the presence of
- A. one food vacuole
- B. two contractile vacuolesCorrect
- C. two nuclei
- D. one gullet
Explanation
Paramecium has two of each of food vacuole, contractile vacuole and nucleus, while Amoeba has only one of each of these organelles; thus, the presence of two contractile vacuoles is a similarity noted here as they both possess contractile vacuoles (with Amoeba having one and Paramecium two) - the structural feature common to both is the possession of contractile vacuole(s).
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