Q1.In his description of the caste system, Al-Biruni noted that in ancient Persia, how many social categories were recognised?

Q2.According to Al-Biruni, which social category in ancient Persia included physicians, astronomers and other scientists?

Q3.Al-Biruni pointed out that within Islam, all men were considered equal, differing only in their observance of what?

Q4.Which aspect of the caste system did Al-Biruni disapprove of?

Q5.Al-Biruni described Sanskrit as having an enormous range in which two aspects?

Q6.When faced with the story of a wooden idol that supposedly lasted for 216,432 years, what was Al-Biruni's reaction?

Q7.Al-Biruni's work is part of which tradition of travellers' accounts?

Q8.According to Al-Biruni, what would have been impossible if the conception of social pollution intrinsic to the caste system were not so?

Q9.According to Al-Biruni, the conception of social pollution intrinsic to the caste system was contrary to what?

Q10.According to Al-Biruni's account, which caste was created from the head of Brahman?