Leaf Functions and Photosynthesis Quiz

What is the main job of the veins in a leaf?

• Make food from sunlight

• Carry water and nutrients into the leaf

• Take in carbon dioxide

• Protect the plant from insects

Where does photosynthesis happen in a leaf?

• Stomata

• Roots

• Chloroplasts

• Stem

What do stomata take in from the air?

• Water

• Oxygen

• Carbon dioxide

• Sugar

Why are chloroplasts important for the plant?

• They carry food to other parts

• They hold the leaf open

• They make food using sunlight

• They store extra seeds

What might happen if a plant had no stomata?

• It would grow faster

• It couldn’t take in carbon dioxide

• It would store more food

• It would get more sunlight

Why do leaves need sunlight?

• To dry up water

• To help the roots grow

• To make food through photosynthesis

• To warm up the plant