Which of the following are "unicellular" organisms?
(A) Plasmodium
(B) Protozoa
(C) Spirogyra
(D) Leishmania
Choose the correct answer from the options given below:

Question

FirstInTest · Accepted Answer

Correct answer: B. Let's check each option:
(A) Plasmodium: Plasmodium is a genus of parasitic protozoa, which are unicellular organisms. So, Plasmodium is unicellular.
(B) Protozoa: Protozoa are a diverse group of unicellular eukaryotic organisms. By definition, they are unicellular.
(C) Spirogyra: Spirogyra is a genus of filamentous green algae, which are multicellular organisms. So, Spirogyra is not unicellular.
(D) Leishmania: Leishmania is a genus of parasitic flagellated protozoa, which are unicellular organisms. So, Leishmania is unicellular.
Therefore, (A), (B), and (D) are unicellular organisms.

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