Question

Which of the following is a prokaryote?

• A. Spirogyra
• B. Amoeba
• C. Chlamydomonas
• D. Bacteria

Answer 1

Answer: (D)

Bacteria are prokaryotic, single-celled organisms, which, belong to the kingdom Monera. The bacterial cell has coiled DNA in a region called nucleoid and is devoid of membrane-bounded organelles. Bacteria do not have an organized cellular structure.
Amoeba is a unicellular eukaryote and belongs to kingdom Protista.
Spirogyra and Chlamydomonas are green algae and belong to the kingdom Plantae. They have a complex cellular structure with membrane-bounded organelles.
So, the correct answer is option C.