MCQ practice · SSC Biology Board questions · Chapter 1: Lessons on Life
Which is a prokaryotic organism?
Think it through first, then pick an option.
- a mushroom
- b diatom
- c blue-green algae
- d Gnetum
Answer and explanation
Correct answer: c blue-green algae
Blue-green algae are Monera with no well-formed nucleus, so they are prokaryotic.
Why the other options are wrong
- a mushroom: Mushroom is a fungus with a well-formed nucleus, so it is eukaryotic.
- b diatom: The diatom is a protist with a well-formed nucleus, so it is not prokaryotic.
- d Gnetum: Gnetum is a plant with true cells, not a prokaryote.
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