1876: Water which contains soluble salts of calcium and magnesium is known as
(a) Heavy water
(b) Soft water
(c) Hard water
(d) Mineral water
1877: The physical regions marked as 1, 2, 3 and 4 on the given map are respectively
(a) Andes, Brazilian Shield, Guyana Highlands and Amazon Basin
(b) Andes, Guyana Highlands, Brazilian Shield and Amazon Basin
(c) Amazon Basin, Guyana Highlands, Brazilian Shield and Andes
(d) Guyana Highlands, Brazilian Shield, Andes and Amazon Basin
1878: Raja Rammohan Roy was supporter of:
(a) Sati
(b) Widow re-marriage
(c) Child marriage
(d) Learning of Sanskrit
1879: Assertion (A):
Harshavardhana convened the Prayag Assembly.
Reason (R):
He wanted to popularise only the Mahayana form of Buddhism.
(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
1880: Stainless steel contains which of the following?
(a) Aluminium and Zinc
(b) Chromium and Carbon
(c) Zinc and Mercury
(d) Copper and Cadmium