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

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