(a) What is anaphylaxis (b)Give the difference between artificial active acquired and natural active acquired immunity (c) State how...

      

(a) What is anaphylaxis
(b)Give the difference between artificial active acquired and natural active acquired immunity
(c) State how the following structural features affect transpiration
i)Leaf fall
ii)Sunken stomata
iii)Thin cuticle

  

Answers


Davis
a)An extreme allergic reaction that cause death
b)Artificial- acquired after vaccination
Natural-acquired after exposure to a disease

c)i)Reduces surface area for transpiration to occur
ii)Water vapour accumulate in sunken pits reducing saturation deficit for transpiration to take place
iii)Reduces distance for diffusion of water vapour from epidermal cells ,Increasing the rate of transpiration

Githiari answered the question on September 13, 2017 at 19:03


Next: How is a palisade mesophyll suited to carry out photosynthesis?
Previous: Name the causative agent of whooping cough

View More Biology Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions