कोशिकीय श्वसन के दौरान शरीर द्वारा सबसे पहले किस श्वसनी पदार्थ का उपयोग प्राथमिकता से किया जाता है?

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?