Plant Needs & Photosynthesis

What is the process by which cells release energy from food?

• Photosynthesis

• Cellular respiration

• Fermentation

• Transpiration

What is the main function of a vacuole in a plant cell?

• To produce energy

• To store water and nutrients

• To control cell activities

• To protect the cell

What is the primary role of plants in the food chain?

• They are the top predators

• They are the vital start of the food chain

• They decompose organic matter

• They are secondary consumers

Where is chlorophyll found?

• In the thylakoid membrane of the plant organ cell

• In the roots of the plant

• In the plant's flowers

• In the plant's seeds

What does chlorophyll absorb?

• Light from the sun

• Water from the soil

• Nutrients from the air

• Carbon dioxide

What are the reactants involved in photosynthesis?

• Six carbon dioxide molecules and six water molecules

• Six oxygen molecules and six glucose molecules

• Six nitrogen molecules and six hydrogen molecules

• Six carbon molecules and six oxygen molecules

How many carbon dioxide molecules are used in the photosynthesis formula?

• Six

• Four

• Eight

• Two

How many oxygen molecules are produced in photosynthesis?

• Six

• Four

• Eight

• Two

What gas is taken in by plants during photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

What is the function of phloem in plants?

• Transport water

• Transport nutrients

• Absorb sunlight

• Support the plant