2.4 Making the Most of Photosynthesis

Question 1

What can be constructed to grow plants in an enclosed space?

Answer 1

Greenhouses or poly tunnels

Question 2

What can be done by plant growers to increase the rate of photosynthesis? (Light)

Answer 2

Have lamps but it may stop if the light intensity becomes too high

Question 3

What can be done by plant growers to increase the rate of photosynthesis? (Temperature)

Answer 3

Have heaters but it may stop if the temp gets too high

Question 4

What can be done by plant growers to increase the rate of photosynthesis? (Carbon dioxide)

Answer 4

Adding co2 to the air

Question 5

What can be done by plant growers to increase the rate of photosynthesis? (Nitrate ions)

Answer 5

Added to the soil so the plants can make the necessary proteins

Question 6

What does the grower have to compare before deciding if the extra cost is worth it?

Answer 6

The biomass of the plants grown indoors and outdoors without the extra factors

Question 7

What factors must be controlled in a greenhouse to improve plant growth?

Answer 7

Light, temp and carbon dioxide

Question 8

What do plant growers have to evaluate in order to try to give their plants the best conditions for growth?

Answer 8

The benefits of increasing growth with increased cost of heating, lighting and providing carbon dioxide