JAMB Biology 2010 Objective — Question 27

Question 27 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2010 Objective paper, with the correct answer and a full explanation.

I. Stomata → Spirogyra II. Alveoli → Earthworm III. Malpighian tubule → Mammal IV. Contractile vacuole → Protozoa. Which of the above structures is correctly matched with the organism in which it is found?

A. III
B. IVCorrect
C. I
D. II

Explanation

Of the listed pairs, only the contractile vacuole–Protozoa pairing (IV) is correctly matched; stomata occur in leaves (not Spirogyra), alveoli in mammalian lungs (not earthworms), and Malpighian tubules in insects (not mammals).

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