Biology 🌱
Balanced equation for photosynthesis
Carbon dioxide + water --> Glucose + Oxygen
What type of reaction is photosynthesis
Exothermic
What adaptation does stomata have
exchange of gas
What adaptation does clorophyll have
Absorbs sunlight
What adaptation does guard cells have
Moves stomata
What adaptation does phloem tubes have
transports food
What adaptation does Xylem tubes have
transport water
What adaptation does a plants thin shape have?
Less distance for gas to travel
What are all the limiting factors of Photosynthesis
Light intensity, CO2 availability, temperature
Name 2 things plants do with glucose
Create amino acids, Store it
What are 5 things glucose is made into?
Starch, fats, oils, cellulose, proteins
What do starch, fats & oils do with energy?
Store it
What does cellulose, and proteins do with energy?
build new cells
What 3 elements does gluecose contain, and what extra element is needed to make proteins
Carbon, Hydrogen, Oxygen. Nitrogen is needed to make new cells
(For Photosynthesis practical) what was independant variable?
light intensisty
(For Photosynthesis practical) what was the dependant variable
rate of photosynthesis
(For Photosynthesis practical) what was two of the controlled variables?
Concentration of sodium hydrogen carbonate solution, Size of pondweed
(For Photosynthesis practical) How can you solve the light giving off heat?
Use LED & put a sheet in between
(For Photosynthesis practical) What is inverse square law equation
1/d(squared)
What are 3 positives of running a commercial greenhouse?
Control limiting factors, Adjust mineral content, Fast turnover so high profits.
What are 2 negatives of running a commercial greenhouse?
Expensive, Needs planning
What is the Aerobic respiration equation?
Gluecose + Oxygen --> Carbon dioxide + Water