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Question 1

Where does photosynthesis occur?

Answer 1

chloroplasts in the leaves of a plant

Question 2

What is the name of the green pigment in the leaves?

Answer 2

chlorophyll

Question 3

What type of reaction is photosynthesis?

Answer 3

endothermic

Question 4

What type of energy is used in photosynthesis?

Answer 4

light energy

Question 5

Give the word equation for photosynthesis.

Answer 5

carbon dioxide + water ➞ glucose + oxygen

Question 6

Define the term limiting factor.

Answer 6

anything that limits the rate of a reaction when it is in short supply

Question 7

Give the limiting factors of photosynthesis.

Answer 7

*temperature
*carbon dioxide concentration
*light intensity
*amount of chlorophyll

Question 8

Describe how light intensity affects the rate of photosynthesis.

Answer 8

increasing light intensity increases the rate of photosynthesis until another factor becomes limiting

Question 9

Describe how carbon dioxide concentration affects the rate of photosynthesis.

Answer 9

increasing carbon dioxide concentration increases the rate of photosynthesis until another factor becomes limiting

Question 10

Give the equation for the inverse square law for light intensity

Answer 10

light intensity ⍺ 1/distance²

Question 11

How do plants use the glucose produced in photosynthesis?

Answer 11

• respiration
• convert it into insoluble starch for storage
• produce fat or oil for storage
• produce cellulose to strengthen cell walls
• produce amino acids for protein synthesis