निम्नलिखित चार में से तीन पद एक विशिष्ट भ्रूणीय जनन स्तर (ectoderm) से प्राप्त ऊतक प्रकारों या संरचनाओं का प्रतिनिधित्व करते हैं, जबकि एक अपने प्राथमिक वर्गीकरण स्तर में भिन्न है। ऊतकीय वर्गीकरण के आधार पर विषम पद को पहचानें।

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?