photosynthesis Flashcards
1
Q
where does photosynthesis occur?
A
plant cells (chloroplast)
2
Q
what does photosynthesis need?
A
chlorophyll, light energy, carbon dioxide and water
3
Q
what is the product of photosynthesis?
A
glucose, oxygen
4
Q
where do plants get carbon dioxide from?
A
the air
5
Q
what can the glucose that is created be turned into?
A
starch and plant oils
6
Q
how can the energy created be released
A
photosynthesis
7
Q
what is the word equation for photosynthesis
A
carbon dioxide + water (arrow) glucose + oxygen
8
Q
what does photosynthesis help do?
A
maintain levels of oxygen and carbon dioxide in the atmosphere
9
Q
what does cellulose do?
A
gives the plant strength and support
10
Q
how do you test for starch in a plant?
A
- heat the leaf in boiling water
- add the leaf to boiling ethanol
- wash it with water
- add iodine solution
- the parts of the leaf that turn blue/black contain starch
