plant nutrition and transport Flashcards
1
Q
what is chlorophyll
A
a green pigment that absorbs sunlight and uses its energy to convert carbon dioxide and water into glucose
2
Q
word equation for photosynthesis
A
carbon dioxide + water –> glucose + oxygen
3
Q
symbol equation for photosynthesis
A
6CO2 + 6H2O –> C6H12O6 + 6O2
4
Q
what is a limiting factor
A
something that stops photosynthesis from happening any faster
5
Q
what are the limiting factors of photosynthesis
A
light intensity, CO2 concentration, temperature
6
Q
what test shows whether photosynthesis is taking place
A
the starch test
7
Q
what shows the rate of photosynthesis
A
oxygen production
8
Q
what are the 3 main mineral ions plants need
A
nitrates
phosphates
potassium
magnesium
