Photosynthesis (A-Level)

Question 1

State the balanced symbol equation for photosynthesis

Answer 1

6H2O + 6CO2 –> C6H12O6 + 6O2

Question 2

What are the three main stages of photosynthesis?

Answer 2

-Capturing light energy
-Light dependent reaction
-Light independent reaction

Question 3

When light is absorbed during photosynthesis what is it converted into?

Answer 3

Chemical energy

Question 4

When light is absorbed during photosynthesis, it is converted into chemical energy. Outline what this chemical energy is used for

Answer 4

Used to produce ATP during respiration

Question 5

Outline the importance of photosynthesis

Answer 5

-Glucose and oxygen for respiration
-Glucose to combine nitrates to make protein -> growth + repair, enzymes
-ATP for growth, metabolic activities, transport
-A food source and habitat to increase biodiversity
-Fuel and agriculture

Question 6

What is the role of guard cells?

Answer 6

Controls the opening and closing of the stomata

Question 7

What is the role of the stomata?

Answer 7

Allows for the movement of O2