Prokaryotic vs Eukaryotic CellsPractice Questions & MCQs
Practice Prokaryotic vs Eukaryotic Cells questions from The Fundamental Unit of Life (Class 9 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Prokaryotic vs Eukaryotic CellsQuiz - Solve & Score
Q1. A microbiology trainee stains a fresh smear and reports that the genetic material sits freely in the cytoplasm with no surrounding envelope; into which broad category does this specimen fall?
- A.A virus particle
- B.A prokaryotic cell
- C.A dead cell with no DNA
- D.A eukaryotic cell
Answer: B. A prokaryotic cell
The defining feature of a prokaryote is the absence of a true membrane-bound nucleus. DNA lying naked in the cytoplasm is the hallmark of a prokaryotic cell.
Q2. Comparing two slides, a learner notices one cell keeps its DNA inside a clearly outlined nuclear compartment while the other does not; which slide shows the eukaryote?
- A.Both equally, since all cells have a nucleus
- B.The one with DNA inside a nuclear compartment
- C.Neither, because both are prokaryotic
- D.The one with DNA loose in the cytoplasm
Answer: B. The one with DNA inside a nuclear compartment
A eukaryote means 'true nucleus' (eu = true, karyon = nucleus). The cell enclosing its DNA in a membrane-bound compartment is the eukaryote.
Q3. An examiner asks for the single most accurate reason a bacterium is grouped with prokaryotes; what should the student answer?
- A.It reproduces only by mitosis
- B.Its DNA is not enclosed by a nuclear membrane
- C.It is much larger than a plant cell
- D.It contains many mitochondria
Answer: B. Its DNA is not enclosed by a nuclear membrane
Classification turns on the nucleus. A bacterium has no nuclear membrane around its DNA, so it is prokaryotic.
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