B8(Photosynthesis) Flashcards
Is photosynthesis an endothermic ,or exothermic reaction?
Endothermic, because energy and heat (sunlight) is taken from the surroundings.
What makes the plants green?
Chlorophyll
What is the symbol equation for photosynthesis?
6CO2 + 6H2O → C6H12O6 + 6O2
What is the word equation for photosynthesis?
Light
Carbon dioxide + Water → Glucose + Oxygen
Chlorophyll
Name some adaptations of a leaf.
Thin
Wide and flat
Veins
Stomata
Chlorophyll
How does the plant being thin help?
Allows gases to reach cells easily .
How does the plant being wide and flat help?
How does the plant having chlorophyll help?
It absorbs light, which helps photosynthesis.
How does the plant having veins help?
Carries water from the xylem to the cells and carries glucose away by Phloem
How does the plant having a stomata help?
How do the guard cells help to minimise water loss?
Guard cells close the stomata at night to prevent water loss and because there is not any light at night.
Name 4 limiting factors of photosynthesis?
Light intensity
Temperature
Carbon dioxide concentration
Water
