Which of the following theories regarding organization of shoot apex was proposed by Nageli in 1858

Options :
  1. Apical cell theory
  2. Histogen theory
  3. Tunica-corpus theory
  4. Quiescent centre concept
Answer and Explanation :-

Answer: Option 1

Explanation:

According to Nageli (1858) the activity of single apical cell leads to the development of entire plant body.

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