21. What was the major cause for the decline of the Roman empire was A. barbarian invasion B. persian invasion C. monglian invasion D. fall of byzantine empire ✅ The correct answer is option A.
22. Which dynasty established first centralised bureaucratic empire A. manchu dynasty B. chou dynasty C. ming dynasty D. quin dynasty ✅ The correct answer is option D.
23. Who was the Persian physician who lived in Bagdad A. al-sfah B. ar-razi C. mohammad D. iltumish ✅ The correct answer is option B.
24. Large part of Rome’s economy was based on A. feudalism B. nobility C. serfdom D. slave labour ✅ The correct answer is option D.
25. Which was believed to be the most effective defensive against invasion in China A. great wall of china B. pyramid C. fahtehpursikri D. pisa ✅ The correct answer is option A.
26. who was known as the greatest Arabic Alchemist A. ar-raz B. mohammad C. harun al rasheed D. abu bakr ✅ The correct answer is option A.
27. Name the university which specialised in Law A. bologna university B. oxford university C. cambridge university D. salerno university ✅ The correct answer is option A.
28. Name the Ming ruler who captured Beijing A. justinian B. belisarius C. charles martel D. taizu ✅ The correct answer is option D.
29. Name the university which specialised in Medicine A. bologna university B. winston university C. paris university D. salerno university ✅ The correct answer is option D.
30. Who was the Ming ruler Taizu who captured Beijing in the year A. 1368c.e B. 1378c.e C. 1379c.e D. 1389c.e ✅ The correct answer is option A.