B1.4 Photosynthesis

Question 1

What is photosynthesis?

Answer 1

Photosynthesis is a chemical reaction that takes place in land based plants

Question 2

Equation for photosynthesis

Answer 2

Carbon dioxide + water -> glucose + oxygen

Question 3

Is photosynthesis an example of an endothermic reaction?

Answer 3

Yes because it takes in energy in the form of light energy.

Question 4

Why can plants harness this light energy?

Answer 4

Because they have this green pigment called chlorophyll

Question 5

Limiting factors of photosynthesis are:

Answer 5

Sunlight
Carbon dioxide
Temperature

Question 6

When glucose is produced it can…

Answer 6

Be used in cellulose which is required to make cell walls
Can be used to make starch
Energy source for respiration.

Question 7

Low light or no light means..

Answer 7

photosynthesis stops