Plant cell structure and cellulose Quiz
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5 questions, one answer each
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1. Which structure links the cytoplasm of adjacent plant cells?
- A. Pits
- B. Plasmodesmata
- C. Middle lamella
- D. Tonoplast
2. Which organelle stores starch in a potato tuber cell?
- A. Chloroplast
- B. Mitochondrion
- C. Tonoplast
- D. Amyloplast
3. Which statement about cellulose is correct?
- A. Alternate β-glucose molecules are inverted, giving straight chains
- B. It is made of α-glucose
- C. It has 1,6 branches
- D. It is coiled into a helix
4. Which feature is found in plant cells but not animal cells?
- A. Ribosomes
- B. Plasma membrane
- C. A cellulose cell wall
- D. Mitochondria
5. Why is starch a suitable energy store?
- A. It is soluble, so it is easily transported
- B. It is insoluble, so it does not affect the water potential of the cell
- C. It is made of β-glucose
- D. It has hydrogen bonds between chains that give tensile strength