HARD
AS and A Level
IMPORTANT
Earn 100
Explain how the inner membrane system of a chloroplast make it well adapted for photosynthesis.
Important Questions on Photosynthesis
HARD
AS and A Level
IMPORTANT
Copy the table below and insert ticks and crosses to show which structural features are shared by a plant chloroplast and a typical prokaryotic cell.
= structural feature shared; 
= structural feature not shared
HARD
AS and A Level
IMPORTANT
When isolated chloroplasts are placed in buffer solution with a blue dye such as DCPIP or methylene blue and illuminated, the blue colour disappears. Explain this observation.
MEDIUM
AS and A Level
IMPORTANT
When isolated chloroplasts are placed in buffer solution with a blue dye such as DCPIP or methylene blue and illuminated, the blue colour disappears. Name the compound, normally present in photosynthesis, that is replaced by the blue dye in this investigation.
HARD
AS and A Level
IMPORTANT
Distinguish between non-cyclic and cyclic photophosphorylation.
HARD
AS and A Level
IMPORTANT
Distinguish between photophosphorylation and oxidative photophosphorylation.
HARD
AS and A Level
IMPORTANT
Distinguish between NAD and NADP.
HARD
AS and A Level
IMPORTANT
Draw a simple flow diagram of the Calvin cycle to show the relative positions in the cycle of the following molecules:
- CO2 (1C)
- triose phosphate (3C)
- GP (3C)
- RuBP (5C)
MEDIUM
AS and A Level
IMPORTANT
Show the point in the Calvin cycle at which the enzyme RuBisCO is active.
