Key Area 3: Photosynthesis

Question 1

Site of Photosynthesis

Answer 1

Chloroplasts

Question 2

Green pigment that catches light energy

Answer 2

Chlorophyll

Question 3

Three factors that limit the rate of photosynthesis

Answer 3

Light intensity
Temperature
Carbon Dioxide concentration

Question 4

Function of ATP in stage 2

Answer 4

Broken down to release energy

Question 5

Name of stage 2

Answer 5

Carbon fixation

Question 6

Glucose can be converted into

Answer 6

Starch

Question 7

By-product formed in stage 1 and it’s fate

Answer 7

Oxygen
Released as a waste product

Question 8

Two substances in stage 1 that are needed in stage 2

Answer 8

Hydrogen
ATP

Question 9

Equation for Photosynthesis

Answer 9

chlorophyll
Carbon + water ——> Sugar + oxygen
Dioxide light energy

Question 10

First stage is called

Answer 10

Light reactions

Question 11

Carbon fixation stage

Answer 11

Second stage in photosynthesis in which ATP, hydrogen and carbon dioxide are involved in the production of sugar

Question 12

Light reaction stage

Answer 12

First stage of photosynthesis producing hydrogen and ATP required in the carbon fixation stage

Question 13

Starch is used for?

Answer 13

Storage

Question 14

Cellulose is used for?

Answer 14

Structural