2141: Which one of the following is an element?
(a) Ruby
(b) Sapphire
(c) Emerald
(d) Diamond
2142: Which one of the following pairs is not correctly matched ?
Well known Place : Country
(a) Cannes : France
(b) Kourou : French Guiana
(c) Baikonour : Russia
(d) Borobudar : Indonesia
2143: A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 metres ahead of the policeman, then the time required for the policeman to catch the thief will be
(a) 2 minutes
(b) 6 minutes
(c) 10 minutes
(d) 3 minutes
2144: The largest reserve of Sal forests is found in:
(a) Nilgiri hills
(b) Dehradun valley
(c) The Aravallis
(d) Eastern Peninsula
2145: The most important fishing grounds of the world are found in the regions where
(a) warm and cold atmospheric currents meet
(b) rivers drain out large amounts of fresh water into the sea
(c) warm and cold oceanic currents meet
(d) continental shelf is undulating