Photosynthesis

Question 1

What is photosynthesis?

Answer 1

the process by which plants make their own food in the form of glucose.

Question 2

Photosynthesis equation

Answer 2

Carbon dioxide + Water ——Light——> Glucose + Oxygen

6CO2 + 6H2O ——Light——> C6H12O6 + 6O2

Question 3

Describe one way that carbon dioxide concentration can be controlled in a greenhouse.

Answer 3

Paraffin heaters can be used to increase the amount of carbon dioxide in the atmosphere.

Question 4

Limited factors of photosynthesis.

Answer 4

At night, it is dark, so light becomes the limiting factor. If there was more light, photosynthesis would happen quicker.

In winter, it is cold, so temperature becomes the limiting factor. If the temperature was warmer, photosynthesis would happen quicker.

Question 4

What are the uses of glucose in plants?

Answer 4

Glucose is used to produce energy in respiration.
Lots of glucose molecules are joined together to form cellulose which provides strength to cell walls.