Translocation (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is translocation in plants?
What is translocation in plants?
Transport of sugars through phloem
Which sugar is primarily transported during translocation?
Which sugar is primarily transported during translocation?
Sucrose
Why are leaves referred to as the 'source' in translocation?
Why are leaves referred to as the 'source' in translocation?
They produce and supply sugars
Which plant tissue is responsible for transporting sugars during translocation?
Which plant tissue is responsible for transporting sugars during translocation?
Phloem vessels
What are the two main components of phloem tissue?
What are the two main components of phloem tissue?
Sieve tubes and companion cells
In which direction(s) can sugars move during translocation?
In which direction(s) can sugars move during translocation?
Both upward and downward
What drives the flow of sugars during translocation?
What drives the flow of sugars during translocation?
Pressure differences
What is a 'sink' in translocation?
What is a 'sink' in translocation?
Where sugars are used or stored
What form are excess sugars stored in plant organs?
What form are excess sugars stored in plant organs?
Starch
How does increased photosynthesis affect translocation?
How does increased photosynthesis affect translocation?
Enhances the rate
How do higher temperatures generally affect translocation rate?
How do higher temperatures generally affect translocation rate?
Increase the rate
Which nutrient is particularly important for phloem function in translocation?
Which nutrient is particularly important for phloem function in translocation?
Potassium