निम्नलिखित में से किस भारतीय वैज्ञानिक ने यह खोज की थी कि पौधों में उद्दीपन (stimuli) विद्युत आवेगों के कारण होता है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?