Photosynthesis

Question 1

What is the site of photosynthesis

Answer 1

Chloroplast

Question 2

What is the name of the green pigment that captures light energy

Answer 2

Chlorophyll

Question 3

What are the three chemical elements that make up a carbohydrate

Answer 3

Carbon, oxygen and hydrogen

Question 4

Two substances produced in stage 1 that are needed for stage 2

Answer 4

Hydrogen and ATP

Question 5

By-product formed in stage 1 and its fate

Answer 5

Oxygen is diffused from the cells into the air

Question 6

Name of stage 2

Answer 6

Carbon fixation

Question 7

Glucose produced in photosynthesis can be converted into…

Answer 7

Starch

Question 8

Function of ATP in stage 2

Answer 8

Provides the energy to join hydrogen to carbon dioxide

Question 9

List three factors that can limit the rate of photosynthesis

Answer 9

1. light intensity
2. temperature
3. Carbon dioxide concentration

Question 10

What does the labeled diagram of stage 1 look like

Answer 10

Light energy
|
Chlorophyll
| /Water
ADP \Chemical energy /
ATP / \ hydrogen
+
Oxygen

Question 11

What does a labeled diagram of stage 2 look like?

Answer 11

Hydrogen      ATP        ADP+pi
      \                   \\_\_\_\_\_\_/
      --------------------> glucose 
      /
Co2