Photosynthesis Overview

Question 1

What is the structure of a leaf?

Answer 1

• Large surface area
• Arrangement of leaves
• Thin
• Lots of stomata
• Transparent cuticle
• Air spaces in lower mesophyll layer
• Xylem and phloem

Question 2

What are the three stages of photosynthesis?

Answer 2

• Capturing of light energy
• Light dependent reaction
• Light independent reaction

Question 3

What is the chloroplast structure?

Answer 3

• The grana stacks of up to 100 disc like structures called thylakoids where the light dependent reaction occurs.
• Within thylakoids is the photosynthesis pigment, chlorophyll.
• The stroma is a fluid filled matrix where the light independent reaction takes place.