Photosynthesis

Question 1

What happens to the light not absorbed

Answer 1

Undergoes transmission and reflection

Question 2

What is the absorption spectrum

Answer 2

It shows the range and extent to which light wavelengths are absorbed by a pigment

Question 3

What is the action spectrum

Answer 3

It shows the rate of photosynthesis of a plant across a range of light wavelengths

Question 4

What are carotenoids

Answer 4

Extend the range of wavelengths absorbed by photosynthesis

Question 5

What happens when light energy is absorbed

Answer 5

The energy excites the electrons In the pigment molecules. These electrons are transferred through the electron transport chain which releases energy to generate ATP

Question 6

What is G3P used for

Answer 6

Regenerate RuBP and synthesis of glucose

Question 7

What is the glucose used for

Answer 7

Respiration
Synthesised into starch or cellulose
Passed to other biosynthetic processes

Question 8

What can biosynthetic pathways lead to?

Answer 8

Formation of metabolites such as, DNA, protein and fat