A2.2 Cell structure Quiz
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5 questions, one answer each
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1. An organelle is 3 µm long and appears 36 mm long in a micrograph. The magnification is:
- A. ×12
- B. ×120
- C. ×1200
- D. ×12 000
2. Which structure is found in plant cells but not in fungal cells?
- A. Cell wall
- B. Chloroplast
- C. 80S ribosome
- D. Vacuole
3. HL: Which feature of chloroplasts supports endosymbiosis?
- A. They contain chlorophyll
- B. They contain 70S ribosomes
- C. They are found in leaves
- D. Their proteins are made in the cytoplasm
4. HL: Cells in one organism become different mainly because they:
- A. Lose different genes
- B. Express different genes
- C. Gain new genes by mutation
- D. Have different chromosome numbers
5. HL: Which statement about multicellularity is correct?
- A. It evolved only once
- B. All fungi are multicellular
- C. It evolved repeatedly
- D. No algae are multicellular