Leaf Structure Quiz

Identify the labelled part of the leaf and choose the correct option:

• Midrib / Main vein

• Petiole / stalk

• Side Vein

• Leaf Blade/ Lamina

Which part of the leaf connects it to the stem and helps transport water and nutrients?

• Blade

• Petiole

• Vein

• Stomata

Which part of the leaf helps control the exchange of gases like oxygen and carbon dioxide?

• Lamina

• Veins

• Stomata

• Petiole

How might a larger leaf help a plant make more food?

• It holds more water

• It traps more insects

• It traps up more sunlight for photosynthesis

• It keeps the plant warm at night

A plant has very small, narrow leaves. What is one reason why this might help the plant in a hot, dry climate?

• Smaller leaves absorb more sunlight

• Smaller leaves prevent animals from eating them

• Smaller leaves lose less water through stomata

• Smaller leaves make more oxygen