Photosynthesis Flashcards
(16 cards)
Word equation for photosynthesis
Sunlight
Carbon dioxide + Water ——————> Glucose + Oxygen
Chlorophyll
Balanced symbol equation for photosynthesis
6CO2 + 6H2O —> C6H12O6 + 6O2
Products of photosynthesis
Glucose and oxygen
Requirements for photosynthesis
Carbon dioxide, water, sunlight and chlorophyll
What are the uses of glucose in a plant?
Respiration, storage (as starch), cellulose creation
What is a limiting factor?
The element that prevents something (in this case photosynthesis) from increasing or decreasing in rate.
What are 3 potential limiting factors for photosynthesis?
Light intensity, carbon dioxide concentration and temperature
What is the name of the waxy layer on the top of a leaf?
The cuticle
What is the porous central layer of a leaf called?
Spongy mesophyll
What are the upper and lower layers of a leaf called?
Upper and lower epidermis
What are the sites of gas exchange in a leaf called?
Stomata
What cells are used to open and close the stomata of a leaf?
Guard cells
Which two layers of a leaf contain chloroplasts?
Palisade mesophyll and spongy mesophyll
What is the point where respiration and photosynthesis happen at the same rate called?
The compensation point.
What is hydrogen carbonate indicator used for?
To indicate atmospheric CO2 levels
What colour does hydrogen carbonate indicator turn in increased, normal and decreased levels of CO2?
MY - More is Yellow
Red - Red is normal
LIP - Less Is Purple
