1. CHEMICAL (in sugar/starch)
1. Where does the sugar made in photosynthesis get its carbon atoms from?
CARBON DIOXIDE
Which gas is the waste gas from photosynthesis?
OXYGEN
2. What is the main storage compound made from the process of photosynthesis?
STARCH
8. What are the pores called in the lower side of a leaf?
STOMATA
Which of these is not a factor that affects the rate of photosynthesis?
CO2 availability X
Temperature X
Soil consistency 
Amount of light X
9. What is the green pigment in plants called – and you need to spell the word correctly!
CHLOROPHYLL
10. Photosynthesis converts light energy into which energy type?
CHEMICAL (in sugar/starch)
4. Which of these cells do not contain chloroplasts?
Guard cells X
Spongy mesophyll cells X
Palisade cells X
Xylem cells 
11. Where does a plant get the mineral ions it needs for growth?
FROM SOIL (via roots)
12. What are two functions of the waxy cuticle on the upper surface of a leaf?
TO PREVENT WATER LOSS BY EVAPORATION
TO ALLOW WATER TO RUN OFF THE LEAF ONTO THE SOIL
5. Which tubes carry the sugars made by photosynthesis around the plant?
PHLOEM
6. Which dilute aqueous solution is stored in a plant cell vacuole?
CELL SAP

2. PHOTOSYNTHESIS SWITCH-SWITCH CARD GAME
13. By what process do roots take up water from soil?
OSMOSIS
19. Which mineral ion is needed for the production of chlorophyll?
MAGNESIUM
14. What is the process of water loss called in a plant?
TRANSPIRATION
Which mineral ion is needed for the production of proteins?
NITROGEN
15. What is the transport of substances up a concentration gradient called?
OSMOSIS X
ACTIVE TRANSPORT 
DIFFUSION X
FUSION X
16. When a plant cell is full, it becomes firm to help support the plant. What’s another word for a plant cell that is full of fluid?
TURGID
PHOTOSYNTHESIS SWITCH-SWITCH CARD GAME
20 QUESTIONS
STUDENTS CIRCULATE WITH A CARD, ASK EACH OTHER QUESTIONS, CHECK ANSWERS AND SWAP CARDS. THEN THEY MOVE ON TO PAIR UP WITH ANOTHER STUDENT.
Which cell organelle is the main site of the chemical reactions of respiration?
MITOCHONDRIA
18. What do we drop onto a leaf to prove the presence of starch?
IODINE SOLUTION