Which of the following according to Takhtajan is most primitive form of node

Options :
  1. Multilacunar node
  2. Unilacunar 2 trace node
  3. Trilacunar 4 trace node
  4. None of these
Answer and Explanation :-

Answer: Option 3

Explanation:

The parenchymatous region left behind in the main vascular cylinder due to departure of leaf trace is called leaf gap (lacuna). Unilacunar node has one leaf gap, Trilacunar node has three and Multilacunar type have several leaf gaps.

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

Previous Question : Bicollateral vascular bundles is/are found in

Next Question : The part of the embryonic axis that lies below the cotyledons is called

Click here for online test on Anatomy

Responses


 (Getemail alerts when others member replies)







The greatest love stories are not those in which love is only spoken, but those in which it is acted upon.
-Steve Maraboli Unapologetically You: Reflections on Life and the Human Experience