2461: In the year 2007, an earthquake led to massive radioactive water leakage in the largest nuclear plant in the world. In which country did it occur?
(a) Canada
(b) Japan
(c) Germany
(d) USA
2462: 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
2463: Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of
(a) anti-malarial drug
(b) biodiesel
(c) pulp for paper industry
(d) textile fibre
2464: Which one of the following elements is essential for the construction of nuclear reactors ?
(a) Cobalt
(b) Nickel
(c) Zirconium
(d) Tungsten
2465: Which one of the following airports in India is the first to be owned by a public limited company?
(a) Cochin airport
(b) Bangalore airport
(c) Hyderabad airport
(d) Dabolin Airport, Goa