Question

Callus was grown successfully for the first time by

• A. White
• B. Gautheret
• C. Nobecourt
• D. All of the above

Answer 1

The correct option is D All of the above

D. All of the above

Solution : Callus is undifferentiated, unspecialized mass of cells. White in 1934 introduce vitamin B as growth supplement of tomato root tip. Later Gautheret and Nobecourt established endless proliferation tissue culture around in 1939.

So the correct answer is option D.