Photosynthesis

Question 1

What are five ways leaves are adapted to photosynthesis?

Answer 1

1. A large surface area
2. Thin, keeping the diffusion distance short
3. Numerous stomata for gaseous exchange
4. An arrangement of leaves on the plant that minimises overlapping
5. A transparent cuticle

Question 2

What is a photosynthetic pigment?

Answer 2

A coloured compound that is present in chloroplasts and photosynthetic bacteria.

Question 3

Describe the Light Dependent Reaction.

Answer 3

Question 4

Describe the Light Independent Reaction

Answer 4

• CO2 binds to RuBP to form GP
• GP

Question 5

Name the three products of the Calvin Cycle that are passed back into the reaction.

Question 6

Name the product of the Calvin Cycle used in other processes.

Answer 6

Triose Phosphate

Question 7

What is the law of limiting factors?

Question 8

What are three factors that can limit the rate of photosynthesis?

Answer 8

1. Light intensity
2. Temperature
3. CO₂ Concentration