![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/blue-glossy.png)
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/purple-glossy.png)
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/fade_circle.png)
ICSE /Class 8
Biology MCQ Based On Diffusion definition
Our free online Biology test quiz for Class 8, ICSE will assist you to improve your Biology skills on every concept in a fun interactive way.
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/blue-glossy.png)
![glossy](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/illustrations/fade_circle.png)
![test-your-knowledge](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/test_your_knowledge/laptop_testyourknowledge.png)
Happy students
![img](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/subject/awesome-classes.png)
Awesome classes
ICSE Class 8 Biology Diffusion definition
|
Trisphosphate
The ascent of sap in the xylem tissue of plants is the upward movement of water and minerals.
The exchange of gases through stomata takes place by the process of diffusion.
Each molecule of hemoglobin can hold four oxygen molecules.
Munch hypothesis is also called the pressure flow hypothesis.
All steroid hormones are derived from cholesterol.
Xylem is one of the two types of transport tissue in vascular plants.
Air sac is Functional unit of lungs.
Upward movement of water occurs through xylem and phloem.
Key word is attached.
![](https://justtutors-cdn.azureedge.net/prod-resource/MasterData/inner_assets/assets/img/test_your_knowledge/banner.png)
At JustTutors, we believe in the power of digital technology to help students get personalized learning and attention from India's best-in-class science, english and math tutors. We are focused on creating a top-class e-learning platform that brings together the best teachers, technology, media, content for creating a seamless and world-class experience for every student.
![Justie](https://www.justtutors.com/assets/images/chatbot_justie.gif)