AQA Biology video and q's

Which of the following organisms can photosynthesize?

• Algae

• Bacteria

• Fungi

• Viruses

What is the chemical formula for glucose produced in photosynthesis?

• CO2

• H2O

• C6H12O6

• O2

What enters the plant through stomata?

• Glucose

• Nitrogen

• Oxygen

• Carbon dioxide

What is the role of chlorophyll in photosynthesis?

• Releasing oxygen

• Harnessing light energy

• Producing glucose

• Absorbing water

What is one use of glucose in plants?

• To make cellulose

• To produce carbon dioxide

• To absorb sunlight

• To create water

What is the waste product of photosynthesis?

• Carbon dioxide

• Water

• Nitrogen

• Oxygen

What is required for photosynthesis besides carbon dioxide and water?

• Glucose

• Darkness

• Oxygen

• Light energy

What can be a limiting factor in photosynthesis?

• Presence of fungi

• Amount of carbon dioxide

• Amount of glucose

• Presence of animals

What happens to glucose that cannot be used immediately by the plant?

• Used to absorb more light

• Converted into starch

• It is expelled

• Turned into oxygen

What mineral is at the center of a chlorophyll molecule?

• Calcium

• Magnesium

• Potassium

• Iron