6.6 **Higher Only** - Inverse Square Law: Rate of Photosynthesis

Question 1

What is the relationship between light intensity and the rate of photosynthesis?

Answer 1

Light intensity is directly proportional to the rate of photosynthesis.

Question 2

What happens to photosynthesis as light intensity increases?

Answer 2

As light intensity increases, more photons hit the chloroplasts, allowing more photosynthesis to occur at once.

Question 3

What is the relationship between the rate of photosynthesis and the distance from the light source?

Answer 3

The rate of photosynthesis is inversely proportional to the distance from the light source.

Question 4

What does inverse proportion describe?

Answer 4

Inverse proportion describes a relationship where one factor increases while the other decreases.

Question 5

How does distance from the light source affect light intensity?

Answer 5

As the distance from the light source increases, light intensity decreases.

Question 6

What is the inverse square law?

Answer 6

The light intensity is inversely proportional to the square of the distance from the light source.

Question 7

What is the light intensity when a lamp is 2 metres away from a plant?

Answer 7

The light intensity is 1/4 of its original value when a lamp is 2 metres away from a plant.
1/2² =1/4