1141: In the context of which one of the following arc the terms pyrolysis and plasma gasification mentioned?
(a) Extraction of rare earth elements
(b) Natural gas extraction technologies
(c) Hydrogen fuel-based automobiles
(d) Waste-to-energy technologies
1142: Who was the last ruler of the Tughluq dynasty of the Delhi Sultanate?
(a) Firoz Shah Tughluq
(b) Ghiyas-ud-din Tughluq Shah II
(c) Nasir-ud-din Mahmud
(d) Nasrat Shah
1143: We can know about early Vedic period from:
(a) Archaeological excavations
(b) Contemporary cultures
(c) Rigveda
(d) Jatak Katha
1144: "Mattavilasa" is written by:
(a) Harsha
(b) Rajashekhara
(c) Somadeva
(d) Mahendravarman I
1145: A small wooden block is floating in a tub of water. The water is gradually heated. The volume of the wooden block visible above the water level:
(a) Increases
(b) Decreases
(c) Fluctuates
(d) Remains the same