प्रारंभिक भ्रूणीय विकास के दौरान, मस्तिष्क शुरू में तीन प्राथमिक पुटिकाएं (vesicles) बनाता है। वे निम्नलिखित में से कौन सी 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?