B8 - Photosynthesis

Question 1

How does carbon dioxide reach the cells which are photosynthesising?

Answer 1

Diffusion
Guard cells/stomata
Spongy mesophyll
Palisade mesophyll

Question 2

How does water reach the cells which are photosynthesising?

Answer 2

Osmosis
Root hair cells
Xylem vessels
Transpiration stream

Question 3

What does oxygen get used for (by the plant and other organisms)?

Answer 3

Aerobic respiration
To release energy

Question 4

How does a plant use glucose?

Answer 4

• Used in respiration to release energy
• The glucose is broken down using oxygen to provide energy for the cells
• Converted to starch for storage
• Converted to sucrose for transport
• Converted to cellulose for cell walls
• Combined with nitrogen to produce amino acids
• Makes lipids