2846: Raja Rammohan Roy was supporter of:
(a) Sati
(b) Widow re-marriage
(c) Child marriage
(d) Learning of Sanskrit
2847: With reference to the steel industry in India in the recent times, consider the following statements:
1. Vizag Steel Plant (RINL) has been declared Mini Ratna.
2. Merger of IISO with SAIL has been completed.
Which of the statements given above is/are correct ?
(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2
2848: Which of the following terms is used to denote the heavy rocks of the lithosphere ?
(a) Substratum
(b) SIAL
(c) SIMA
(d) None of the above
2849: Consider the following :
1. Rice fields
2.Coal mining
3. Domestic animals
4.Coal mining Wetlands
Which of the above are sources of methane, a major greenhouse gas?
(a) 1 and 4 only
(b) 1, 2 and 3 only
(c) 2 and 3 only
(d) 1, 2, 3 and 4
2850: Who among the following discovered heavy water?
(a) Joseph Priestley
(b) Heinrich Hertz
(c) H. C. Urey
(d) G. Mendel