The Crescograph, a device to measure the growth and response of plants, was invented by whom? MCQ with Answer and Explanation

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The Crescograph, a device to measure the growth and response of plants, was invented by whom?

A. Prafulla Chandra Ray

B. Jagadish Chandra Bose

C. Birbal Sahni

D. C.V. Raman

Answer: Option B

Solution (By JKSSB Mock Tests)

Sir Jagadish Chandra Bose invented the crescograph in the early 20th century to prove that plants have feelings and react to stimuli.

This question belongs to: Static General Knowledge Inventions and Discoveries

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B. Sir Ronald Ross

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Correct Answer: Option B

Explanation:
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Who discovered the atomic element Radium alongside his wife Marie Skłodowska-Curie?

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Correct Answer: Option B

Explanation:
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Who discovered that electrical currents alter physical molecular rotation under polarized light fields, establishing the Faraday Effect?

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Correct Answer: Option A

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