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

Options :
  1. Nicotiana
  2. Solanum
  3. Dianthus
  4. Pinus

Answer and Explanation :-

Answer: Option 4


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 : The guard cells generally possess horn like protuberances which are made up of

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

Click here for free online test on Tissue and Tissue System


 (Getemail alerts when others member replies)

Manifestation is an act of trust. It is the soul pouring itself out into its world, like a fisherman casting a net to gather in the fish he seeks with each cast properly made, we will bring what we need to us, but first we must hurl ourselves into the depths without knowing just what lies beneath us.
-David Spangler