Four types of stomata has been classified by Metcalfe and Chalk on the basis of

Options :
  1. functional behaviour
  2. ultrastructure of guard cells
  3. morphology
  4. evolution

Answer and Explanation :-

Answer: Option 3


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Horn like protuberances of guard cells called ridges are absent in some species of

Next Question : Subsiiary cells are absent in the stomatal apparatus of

Click here for free online test on Tissue and Tissue System


 (Getemail alerts when others member replies)

I love tunnels. They 're the symbol of hope: sometime it will be bright again. If by chance it is not night.
-Pascal Mercier Night Train to Lisbon