Adaptations of plants for photosynthesis: gas exchange and stomata

12 questions

1. Which part of a plant takes in gas for photosynthesis **and** releases gas made by photosynthesis?
2. What is the name of the gas that plants take in for photosynthesis?
3. What is the name of the gas that plants make as a waste product from photosynthesis?
4. Carbon dioxide gas and oxygen gas are made up of _____ .
5. When particles of a gas move from one place to another, this is called _____ .
6. The diagram shows particles of a gas. Which statement is correct?
7. What is the name of the tiny holes in the surface of a leaf?
8. The diagram shows some structures that make up a plant’s leaf. Which part of the diagram shows one of the leaf’s stomata?
9. ___ cells can change shape to open and close stomata.
10. Which process allows gas exchange through open stomata during photosynthesis?
11. Which diagram shows the correct **concentration gradient** of particles of **oxygen** gas when the cells inside the leaf are photosynthesising?
12. Which statement describes the **net movement** of carbon dioxide particles when the leaf cells are photosynthesising?

License: OGL