जिम्नोस्पर्म (अनावृतबीजी) मुख्य रूप से किस संरचना की उपस्थिति के आधार पर एंजियोस्पर्म (आवृत्तबीजी) से भिन्न होते हैं?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?