Exercise
Form 8: Translocation and Sugar Transport in Plants
Explore translocation and the transport of sugars throughout plant tissues. Learn how photosynthetic products move from source organs to energy-demanding sinks.
Questions
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MultiChoice
What term describes the transport of organic solutes through phloem tissue?
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MultiChoice
What is the primary sugar form transported in plant translocation?
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MultiChoice
Why is sucrose preferred over glucose for transport in phloem?
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MultiChoice
What hypothesis explains the bulk flow of sap in phloem driven by pressure gradients?
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MultiChoice
In the pressure-flow model, what creates high hydrostatic pressure at the source?
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MultiChoice
In the pressure-flow model, what causes low hydrostatic pressure at the sink?
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MultiChoice
Which organ acts as a major sugar sink in a fruiting tomato plant?
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MultiChoice
During early spring before new leaves grow, what organ acts as the main source in a deciduous tree?
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MultiChoice
Companion cells assist sieve tubes by containing abundant amounts of which organelle?
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MultiChoice
How do companion cells load sucrose into sieve tube elements?
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MultiChoice
What connects companion cells to sieve tube elements to allow transport of materials?
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MultiChoice
What happens to phloem transport if metabolic inhibitors stop respiration in companion cells?