मापन का विज्ञान, जिसे अल-बिरूनी ने अपनी कृति 'किताब-उल-हिंद' में एक अलग अध्याय के रूप में शामिल किया था, क्या कहलाता है?

More than a thousand years ago, Al-Biruni, a traveller from Uzbekistan, described his observations about India. Which of the following observations were recorded in Al-Biruni's book? A. People of India are very skilled at making ponds. B. Horses are used to draw carts in India. C. Step-wells have separate steps for going up and coming down. D. Lakes and Johads are built to collect water. Choose the correct option.

Match List-I with List-II: List-I (Incident/Characteristics) (A) He arrived in Ghazni as a hostage, but gradually developed a liking for this city (B) He reached Sind in 1333 and was later appointed as the qazi of Delhi (C) Physician to Prince Dara Shikoh (D) Wrote a detailed account of trade and society in South India List-II (Traveller) (I) Al-Biruni (II) Francois Bernier (III) Ibn Battuta (IV) Duarte Barbosa Choose the correct answer from the options given below: