2696: Elements having atomic number higher than 92 in the periodic table are known as
(a) Transitional elements
(b) Rare earth elements
(c) Transuranic elements
(d) Alkaline earth metals
2697: Himalayan rivers are perennial because:
(a) They flow from inexhaustible springs in the Himalayas
(b) They are fed in summer by melting snow of Himalayas
(c) There is continuous rain throughout the year in the catchment areas
(d) None of the above
2698: Fertility of soil can be improved by:
(a) Removing dead earthworms
(b) Adding dead earthworms
(c) Adding living earthworms
(d) Removing living earthworms and adding dead earthworms
2699: Chemical composition of pearl is:
(a) Calcium carbonate
(b) Calcium carbonate and magnesium carbonate
(c) Calcium sulphate
(d) Calcium chloride
2700: Which one of the following is correct in respect of Indian football team's performance in the Olympic Games ?
(a) India has never participated in the Olympic Football Tournament
(b) India entered the Semi Finals
(c) India played only in the First Round
(d) India entered only up to the Quarter Finals