Question

State two structural and two environmental factors that affect the rate of transpiration

1. Structural
2. Environmental 

Answer 1

1. Structural
   • Thickness of cuticle (rej. Cuticle alone)
   • Leaf size and shape
   • Location of the stomata/position
   • Number of stomata & size
   • Leaf fall
   • Hairly leaves
      
2. Environmental 
   • Environmental
   • Temperature
   • Light intensity
   • Wind
   • Atmospheric pressure
   • Humidity
   • availability of water