B8

Question 1

what is the word equation for photosynthesis?

Answer 1

water + carbon dioxide -> oxygen + glucose

Question 2

what is the symbol balanced symbol equation for photosynthesis?

Answer 2

6H2O + 6CO2 -> 6O2 + C6H12O6

Question 3

what is photosynthesis?

Answer 3

a process in plants in which water and carbon dioxide react to produce oxygen and glucose, if light and chlorophyll are present, to make food

Question 4

why is photosynthesis an endothermic reaction?

Answer 4

the energy required to break the bonds between carbon dioxide and water are transferred from the environment by light energy

Question 5

how are leaves adapted for photosynthesis?

Answer 5

large surface area - allows a lot of light
large veins
waxy underneath - to minimise water loss

Question 6

limiting factor

Answer 6

a factor that controls the rate of reaction

Question 7

how do greenhouses help growing crops

Answer 7

control temperature, so we can grow crops out of season. speeds up the date of photosynthesis by keeping it warm. can control light intensity. crops can be grown where land is poor

Question 8

why can exercise not be sustained when anaerobic respiration takes place in muscle cells?

Answer 8

muscles become fatigued because not enough energy is transferred