8 Transport in plants

Practice questions on Transport in plants

• A gardener grows a tomato plant. During summer, the leaves produce large amounts of sucros… (4 marks, Explain)
• A potato plant stores starch in its underground tubers during summer. Explain how sucrose … (4 marks, Explain)
• Explain why the leaves of a plant act as a source during translocation, and name two regio… (4 marks, Explain)
• Describe the process of translocation in a plant, including the tissue involved, the subst… (4 marks, Describe)
• Describe how closing the stomata helps a wilting plant to recover, and explain why a plant… (4 marks, Describe)
• Describe how water moves from the soil into the xylem of a plant root. (4 marks, Describe)
• Compare the structures of xylem vessels and phloem vessels in plants. (4 marks, Compare)
• Root hair cells are specialised for the uptake of water and mineral ions from the soil. De… (4 marks, Describe)
• Explain why a plant begins to wilt when the rate of transpiration is greater than the rate… (4 marks, Explain)
• Describe how xylem vessels are adapted to transport water and mineral ions from the roots … (4 marks, Describe)
• Explain how translocation moves sugars from a source to a sink in a plant. (4 marks, Explain)
• A student places a wilting pot plant into a bucket of water. Explain why the plant regains… (4 marks, Explain)
• Explain why root hair cells are well adapted for the uptake of water from the soil. (4 marks, Explain)
• A gardener adds a large amount of salt fertiliser to the soil around a healthy plant. The … (4 marks, Explain)
• Explain how an increase in wind speed increases the rate of transpiration in a plant. (4 marks, Explain)
• Explain why a plant kept in hot, dry conditions is more likely to wilt than a plant kept i… (4 marks, Explain)
• Describe the pathway taken by water as it moves from the soil into the air spaces inside a… (4 marks, Describe)
• Explain how the structure of a leaf is adapted to allow transpiration to occur. (4 marks, Explain)
• A farmer removes a complete ring of bark (including the phloem) from around the trunk of a… (4 marks, Explain)