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Define Photosynthesis
Photosynthesis: the process by which plants manufacture carbohydrates from raw materials (water and CO2) using energy from light.
"Chlorophyll is a green pigment that traps light. It can be found inside the chloroplasts"
True or false?
True
The 3 limiting factors of Photosynthesis are light intensity, carbon dioxide concentration, and temperature.
True or false?
True
As the amount of light increases, the rate of photosynthesis ____.
increases
As the amount of carbon dioxide increases, the rate of photosynthesis _____.
increases
As temperature increases, the rate of photosynthesis _____ until it reaches optimum temperature 40°C.
increases
Label the picture from the upper to the lower part of the leaf.
Cuticle, upper epidermis, palisade mesophyll, spongy mesophyll, stomata, lower epidermis and cuticle.
How do you call the waxy layer that prevents water loss from the top of the leaf?
Cuticle
The palisade cells contain much more chloroplasts than the spongy cells from the mesophyll.
True or false?
True
Vascular bundles are made up of _______ and _______.
xylem - phloem
How do you call the vessel that transports water and dissolved minerals and has lignified walls made of cellulose?
Xylem
How do you call the vessel that transports nutrients?
Phloem
What are the 2 main minerals needed by plants?
Nitrogen and Magnesium
The image represents xylem and phloem in the different transverse sections of the plant. Can you tell which drawing corresponds to the leaf and which one to the stem?
Upright: stem, down: leaf
Transpiration is the _______ of water at surfaces of the mesophyll cells followed by loss of water vapour from plant leaves, through _______.
evaporation - stomata.
Name the equation for photosynthesis.
water + carbon dioxide ---> glucose + oxyigen
Where would you write the light and chlorophyll?
