कौन सा भूवैज्ञानिक काल लगभग 252 मिलियन वर्ष पूर्व पृथ्वी के सबसे बड़े सामूहिक विलोपन (मास एक्सटिंक्शन) के साथ समाप्त हुआ, जिसके परिणामस्वरूप लगभग 90% से 95% प्रजातियां विलुप्त हो गईं?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?