46: Which among the following countries has the largest population?

(a) Indonesia
(b) Japan
(c) Pakistan
(d) Sudan
47: The trees of spruce, fir, pine, etc. are found in which of the following natural regions of the earth?

(a) Laurentian type

(b) Alpine type

(c) Taiga type

(d) Siberian type
48: Which one of the following is the correct sequence of the given Indian cities in the decreasing order of their normal annual rainfall?

(a) Kochi - kolkata - Delhi - Patna

(b) kolkata - Kochi - Delhi - Patna

(c) Kochi - kolkata - Patna - Delhi

(d) kolkata - Kochi - Patna - Delhi
49: Which one of the following pairs is correctly matched ?

(a) Harappan Civilisation : Painted Grey Ware

(b) The Kushans : Gandhara School of Art

(c) The Mughals : Ajanta Paintings

(d) The Marathas : Pahari School of Painting
50: A passing motorcycle causes distortion or disturbance with reception of signal in radio and T.V. The cause of this is

(a) The intense sound waves effect the small electronic devices of the receptor

(b) The vehicle's metal parts block/distort the radio waves

(c) The spark plug fitted in the engine produces electro-magnetic signals due to sparking

(d) Modern motor-cycles are fitted with electric ignition system which produces radio waves