4 Rate Of Photosynthesis

Question 1

How is the rate of photosynthesis affected by temperature

Answer 1

Enzymes are proteins which increase their speed of chemical reactions like photosynthesis in plants. They work faster at higher temperatures but if it gets too hot the enzymes will be damaged (45’)

Question 2

How is the rate of photosynthesis affected by the levels of carbon dioxide

Answer 2

CO2 is one of the raw materials needed for photosynthesis, it will increase the rate of photosynthesis up to a point where the rate no longer increases

Question 3

How is the rate of photosynthesis affected by the light intensity

Answer 3

As light intensity is raise the rate of photosynthesis increases steadily but only up to a certain point

Question 4

How’s the rate of photosynthesis affected by the about of chlorophyll in the plant

Answer 4

The amount of chlorophyll is affected by disease or environmental stress e.g. lack of nutrients. These cause chloroplasts to become damaged or not make enough Chlorophyll= rate of photosynthesis reduced as they can’t absorb as much light

Question 5

What are the limiting factors of rate of photosynthesis

Answer 5

Light temperature carbon dioxide.

Question 6

What is meant by a limiting factor of photosynthesis

Answer 6

A factor that stops photosynthesis from happening any faster