Grade 9 Photosynthesis Questions

What substance does a plant use for food?

• glucose

• water

• carbon dioxide

• soil

What is the correct formula for glucose?

• C₁₂H₁₁O₂₂

• CH₂O

• C₂H₄O₆

• C₆H₁₂O₆

What is the correct word equation for photosynthesis?

• water + carbon dioxide + oxygen → glucose

• carbon dioxide + oxygen → glucose + water

• oxygen + water → glucose + carbon dioxide

• carbon dioxide + water → glucose + oxygen

What type of energy does a plant use to convert

CO₂ and H₂O into sugar?

• light energy

• heat energy

• nuclear energy

• normal energy

Choose the two reactants in photosynthesis

• glucose

• oxygen

• carbon dioxide

• water

In what organelle of a plant cell does photosynthesis take place?

• nucleus

• chloroplasts

• mitochondria

• cytoplasm

Choose the two products in photosynthesis

• glucose

• oxygen

• carbon dioxide

• water

The arrow in the diagram is representing:

• sunlight

• water vapour

• oxygen

• wind

The tiny openings on the underside of the leaf that help the plant take in carbon dioxide are called...

• stomata

• xylem

• phloem

• chlorophyll

The tissue that carries the plant's water is called...

• stomata

• xylem

• phloem

• chlorophyll