The leaf structure

The main function of a leaf is to…

• 
  Make glucose

• Reproduce

• Absorb water

• Provide shade

A plant makes glucose in a process called…

• 
  Photosynthesis

• Chloroplast

• Respiration

• Transpiration

The green pigment in a leaf that absorbs sunlight is called…

• Chlorophyll

• Phloem

• Stomata

• Xylem

Which gas enters a leaf through its stomata?

• Carbon dioxide

• Nitrogen

• Carbon

• Mercury

Which feature of leaves allows them to absorb as much light as possible?

• Large surface area

• Guard cells

• Stomata

• Thinness

Name a product released by photosynthesis.

• Oxygen

• Water

• Carbon dioxide

• Nitrogen

What type of energy is required for photosynthesis to occur?

• Light

• Electric

• Nuclear

• Sound

The leaf is…

• An organ

• A tissue

• A cell

• An organism

The basic structure of a leaf includes…

• Midrib

• Stem

• Roots

• Goblet cells

Which tissue layer of the leaf carries out most of the light absorption for photosynthesis?

• Palisade tissue

• Spongy mesophyll tissue

• Lower epidermal tissue

• Waxy cuticle layer