Crescograph, a device for measuring growth in plants, was invented by which Indian scientist?
A. Jagadish Chandra Bose B. Meghnad Saha C. Satyendra Nath Bose D. M. Swaminathan
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Answer:
Jagadish Chandra Bose.
Explanation:
It was invented in the early 20th century by Sir Jagadish Chandra Bose. The Bose crescograph uses a series of clockwork gears and a smoked glass plate to record the movement of the tip of a plant (or its roots).
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