Practice Glossary & Key Equations - 10 | Exchange and Balance – Membranes & Transport | IB MYP Grade 8 Biology
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Glossary & Key Equations

10 - Glossary & Key Equations

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define homeostasis.

💡 Hint: Think about how organisms regulate temperature and pH.

Question 2 Easy

What does selective permeability mean?

💡 Hint: Consider how cell membranes control entry and exit of substances.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is homeostasis?

💡 Hint: Think about examples like temperature regulation.

Question 2

Fick's First Law describes the relationship between flux and what?

Pressure
Concentration gradient
Temperature

💡 Hint: Remember that substances diffuse from high to low concentration.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A solution has a solute concentration of 0.2 M. If the temperature is 298 K, what is the osmotic potential using Van 't Hoff's equation with an ionization constant (i) of 1?

💡 Hint: Remember to convert each parameter into the right units.

Challenge 2 Hard

Explain a scenario where Fick's laws apply in human physiology, particularly in the lungs.

💡 Hint: Think about how gases move in and out of different pressures.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.