IGCSE B5 - photosynthesis (no leaf structure)

Photosynthesis is the process by which plants manufacture c______________ from raw materials using energy from light

Which are the 'raw materials' used in photosynthesis?

• Carbon dioxide

• Glucose

• Oxygen

• Water

What is the name of the carbohydrate most commonly produced in photosynthesis?

Which are the products made in photosynthesis?

• Carbon dioxide

• Glucose

• Oxygen

• Water

Where does the energy for photosynthesis come from?

• Respiration

• Light energy

• Heat energy

• Chemical potential energy

Which of these correctly describe the reactions that happen in photosynthesis (choose ALL that apply)?

• Light energy is converted to chemical potential energy

• Chemical potential energy is converted to heat energy

• Inorganic carbon compounds are converted to organic carbon compounds

• Energy is released from food molecules

• Carbon dioxide and water are reacted together to form glucose and oxygen

True or false: Plants photosynthesise all the time?

• True

• False

True or false: Plants respire all the time?

• True

• False

True or false: plants can do respiration and photosynthesis at the same time?

• True

• False

Which gas is released as a result of photosynthesis?