Practice Phloem Loading (9.1.2.3.1) - Plant Biology - IB 12 Biology
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Phloem Loading

Practice - Phloem Loading

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of phloem?

💡 Hint: Think about what plants need to distribute.

Question 2 Easy

Name one type of cell found in the phloem.

💡 Hint: Consider the cells that help with transport.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the role of companion cells in the phloem?

Support phloem structure
Help with phloem loading
Conduct water

💡 Hint: Think about their function related to the sieve tubes.

Question 2

True or False: Phloem sap moves from areas of low pressure to areas of high pressure.

True
False

💡 Hint: Consider the direction of flow in relation to pressure.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Assess how phloem loading might be affected if a plant experiences a drought. Explain your reasoning.

💡 Hint: Consider how water availability affects pressure and solute movement.

Challenge 2 Hard

Design an experiment to test how varying the sucrose concentration at a source plant affects phloem loading and pressure generation.

💡 Hint: Think about independent, dependent, and controlled variables in your design.

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Reference links

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