Who among the following Indian scientists invented the "crescograph", a device for measuring plant growth?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Jagdish Chandra Bose
The crescograph was invented by Jagdish Chandra Bose in the early 20th century. It magnifies the very slow growth of a plant about ten thousand times, so that the growth and the plant’s response to stimuli such as light, heat and touch can be recorded. Bose used it to show that plants respond to their surroundings much as animal tissue does.