2071: Different seasons are formed because:
(a) Sun is moving around the earth
(b) Of revolution of the earth around the sun on its orbit
(c) Of rotation of the earth around its axis
(d) All of the above
2072: In the map shown in the given figure, rivers labelled as 1, 2, 3 and 4 are respectively
(a) Kosi, Gomati, Ghaghara and Gandak
(b) Kosi, Ganga, Gomati and Ghaghara
(c) Gandak, Ganga, Gomati and Ghaghara
(d) Teesta, Gomati, Ghaghara and Kosi
2073: Which one of the following groups of plants was domesticated in the New World and introduced into the 'Old World'?
(a) Tobacco, cocoa and rubber
(b) Tobacco, cotton and rubber
(c) Cotton, coffee and sugarcane
(d) Rubber, coffee and wheat
2074: The Stilwell Road, built in 1940s, which was recently in news, connects which of the following ?
(a) Agartala in India and Yangon in Myanmar via Bangladesh
(b) Ledo in India and Kunming in China via Myanmar
(c) Kalimpong in India and Lhasa in Tibet via Bhutan
(d) Imphal in India and Bangkok in Thailand via Myanmar
2075: In a tournament 14 teams play league matches. If each team plays against every other team once only then how many matches are played ?
(A) 105
(B) 78
(C) 85
(D) 91