Photosynthesis
What are the products of photosynthesis?
DJ glucose & oxygen
What are the tiny holes on the underside of the leaf called?
stomata
Why do we dip a leaf in boiling water when testing for starch?
DJ to soften it
phosphorus
What vein transports glucose up and down the plant?
DJ phloem
What are the reactants of photosynthesis?
carbon dioxide & water
Where is chlorophyll found in the leaf cell?
T In the chloroplasts
What do plants store glucose as once its made?
starch
What mineral do plants need to make proteins (for growth)?
DJ nitrates
When does photosynthesis take place?
during the day
What are 2 other things needed for photosynthesis to occur?
sunlight & chlorophyll
Name the vein that transports water from the root to the leaves.
Xylem
What chemical is used to test for starch?
iodine
What mineral do plants need for healthy flowers and fruits and photosynthesis/respiration?
potassium
What part of the plant does not contain chloroplasts?
roots
What is the definition of photosynthesis?
S The process by which plants use sunlight and chlorophyll to make their food (glucose)
What 3 factors affect the rate of photosynthesis?
Temperature, Light & Carbon Dioxide
What colour does iodine turn in the presence of starch?
blue/black
What mineral do plants need to make chlorophyll?
magnesium
Why do plants grow better when people talk to them?
Increased carbon dioxide
What is the word equation for photosynthesis?
carbon dioxide + water -> glucose + oxygen
In what layer of the leaf does photosynthesis take place?
The palisade layer
Why do we put the leaf in ethanol when testing it for starch?
To remove the chlorophyll
What happens to a plant if it does not get enough water?
The plant wilts
What part of a variegated leaf will show a presence of starch?
T The green part (has chlorophyll)