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Question: Answered & Verified by Expert
In which one of the following is nitrogen not a constituent?
BiologyAnatomy of Flowering PlantsNEETNEET 2003
Options:
  • A idioblast
  • B bacteriochlorophyll
  • C invertase
  • D pepsin
Solution:
2123 Upvotes Verified Answer
The correct answer is: idioblast
Idioblasts are parenchyma cells which store tannins, resins etc. it is an isolated cell found in cells of plant tissue, in the middle of homogenous group of cells. Idioblastic parenchyma have various functions such as storage of reserves, excretory materials, pigments, and minerals.
Related Theory
Idioblasts can contain biforine cells that form crystals.

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