Year 9 Photosynthesis

Where in a plant cell does photosynthesis take place?

Identify the gas required for photosynthesis to occur.

• Oxygen

• Nitrogen

• Carbon dioxide

• Sulphur dioxide

What substance is detected using iodine solution?

• Glucose

• Starch

• Water

• Carbon dioxide

What form of energy is needed for photosynthesis?

What colour does iodine solution become indicating that starch is present?

• Blue/black

• Orange

• Brown

• Red

Identify the limiting factor of photosynthesis on a hot and bright summer day.

• Light intensity

• Temperature

• Carbon dioxide concentration

• Type of plant

State the green pigment that absorbs light energy for photosynthesis.

Oxygen is a waste product of photosynthesis.

• True

• False

Where in a plant does photosynthesis take place?

What is the limiting factor of photosynthesis at dawn on a summer morning?

• Light intensity

• Temperature

• Lack of chlorophyll

• Oxygen concentration