As a part of the search for remedy of the problem of deforestation, the ……………..discovered how to produce cake from bituminous coal as a substitute for charcoal.

Related MCQs

• The growth of …………….industry during the 11th century paved way for vast deforestation due to the use of charcoal in the smelting process.
• ……………. discovered the concept of ‘true north’ and improved the design of ‘armillary sphere’.
• The oldest mathematical document produced in India is the ‘Bakhshali Manuscript’ discovered in 1881 in the village of …………….near Peshwar, now in modern Pakistan.
• In the meanwhile, ……………..had founded the Carolingian dynasty in the beginning of the 9th century which ruled the parts of modern France and Germany and a part of Italy.
• Major part of the Indian sub-continent was brought under one ruler by the …………………in the 16th and 17th centuries.
• The Mughal Empire had already started its course of political disintegration during the later part of…………………’s reign.
• The western most part of the Persian Gulf was Basra on the mouth of the river……………...