Photosynthesis

Question 1

What is photosynthesis

Answer 1

The process by which plants synthesise glucose using light energy from the sun. Light energy is converted into chemical energy

Question 2

Where does photosynthesis take place

Answer 2

Within chloroplasts in leaf palisade cells. They contain chlorophyll, a pigment which absorbs light energy.

Question 3

State the equation for photosynthesis

Answer 3

Word: carbon dioxide + water —-> glucose + oxygen
Symbol: 6CO2 + 6H2 0—->C6 H12 06 + 602

Question 4

Is photosynthesis an endothermic or exothermic reaction and why

Answer 4

Endothermic - energy is transferred from the environment to chlorophyll plants by light

Question 5

How can you show that a plane gives off oxygen during photosynthesis

Answer 5

Using a water plant , collect gas bubbles produced durning photosynthesis. The gas will relight a glowing splint as it contains oxygen