Plant Needs & Photosynthesis

What gas is taken in by plants during photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

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

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

How many oxygen molecules are produced in photosynthesis?

• Six

• Four

• Eight

• Two

What is the main purpose of root hairs in plants?

• To store food

• To produce seeds

• To absorb water and nutrients

• To anchor the plant

Which part of the plant is mainly responsible for photosynthesis?

• Roots

• Stems

• Leaves

• Flowers

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

Which of the following helps plants to make their food?

• Sunlight

• Darkness

• Noise

• Toys

Why is space important for plants?

• To grow and spread

• To hide from animals

• To store toys

• To sleep

What is the primary role of xylem in plants?

• Transport water

• Produce flowers

• Store food

• Absorb nutrients