Practice Absorption Mechanisms (6.1.3.2) - Human Physiology - IB 12 Biology
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Absorption Mechanisms

Practice - Absorption Mechanisms

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is absorption in the context of digestion?

💡 Hint: Think about the final step of digestion.

Question 2 Easy

Name the process by which glucose is absorbed in the small intestine.

💡 Hint: It requires proteins to help get through the membrane.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which process involves the movement of molecules without energy?

Facilitated Diffusion
Active Transport
Endocytosis

💡 Hint: Consider which processes are passive.

Question 2

True or False: Endocytosis is used for small molecules.

True
False

💡 Hint: Think about the size of molecules.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a substance needs to be transported into a cell against its concentration gradient, which transport mechanism should be used? Provide an example of such a substance.

💡 Hint: Think about whether the molecule is moving with or against the concentration gradient.

Challenge 2 Hard

Design an experiment to test the effect of surface area on absorption rates using a model of the small intestine.

💡 Hint: Consider what aspect of each model you will measure to define effective absorption.

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