Transport in plants Quiz
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5 questions, one answer each
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1. Which tissue carries sucrose from the leaves to the roots?
- A. Xylem
- B. Phloem
- C. Root hair
- D. Guard cells
2. Why can xylem vessels carry water without collapsing?
- A. Their walls contain lignin
- B. They are full of cytoplasm
- C. They have thin walls
- D. They contain chlorophyll
3. Which change would increase the rate of transpiration?
- A. Higher humidity
- B. Lower temperature
- C. A strong wind
- D. Darkness
4. What is the main adaptation of a root hair cell?
- A. A thick waterproof wall
- B. A long extension that gives a large surface area
- C. Many chloroplasts
- D. No cell membrane
5. Where does most water vapour leave a leaf?
- A. Through the xylem
- B. Through the cuticle of the upper surface
- C. Through the stomata
- D. Through the root hairs