Photosynthesis
carbon dioxide, water, and sunlight.
What three things do plants need to grow?
Light, temperature and carbon dioxide
What factors affect the rate of photosynthesis?
Large Surface Area, thin and air spaces
How is the shape of the leaf adapted for photosynthesis?
Iodine
How can we test for starch?
The leaf
What part of the plant does photosynthesis take place?
distance from the light source
What is the independent variable in investigating the rate of light intensity on photosynthesis?
phloem and xylem
What are the names of the two transport vessels in a plant called?
brown to blue-black
What will happen to the iodine if starch is present?
6CO2 + 6H2O → C6H12O6 + 6O2.
What is the symbol equation for photosynthesis?
Enzymes denature
Why does photosynthesis stop at high temperatures?
allow a plant to take in carbon dioxide
Why are the stomata important for photosynthesis?
Respiration and to make big molecules from small molecules
What are the main uses of glucose?
Producer
What is the first living organism in a food chain?
anything in short supply that prevents photosynthesis occurring at its maximum rate
What is a limiting factor?
Part of the leaf where light absorption happens
Why are the palisade mesophyll cells important for photosynthesis?
The parts without chlorophyll do not photosynthesise, and so they do not make starch
Why will not all of a variegated leaf contain starch?
Chlorophyll
What pigment, essential for photosynthesis, makes plants and algae green?
sodium hydrogen carbonate
What is added to the water to supply carbon dioxide?
To protect the leaf from infection and prevent water loss without blocking out light
Why is the waxy cuticle important?
lipids (fats and oils)
What is glucose converted into for seeds?