131. Cloud burst’ means .
(a) Formation of artificial rain
(b) Presence of scattered flakes of cloud in the sky
(c) Sowing of seeds of a crop in a cloudy weather
(d) Abnormally heavy downpour of rain, associated with a thunderstorm-
132. Which one of the following is an ore of iron?
(a) Bauxite
(b) Haematite-
(c) llmentie
(d) Gypsum
133. Which one of the following is correct?
(a) All longitudes are not great circles
(b) All longitudes and equator are great circles-
(c) All latitudes and Greenwich meridian are great circles
(d) All latitudes and longitudes are great circles
134. The rocks which are formed by direct cooling and solidification of magma are called
(a) Sedmentary rocks
(b) Derivative rocks
(c) Igneous rocks-
(d) Metamorphic rocks
135. Which one of the following is correct in respect of the Mediterranean type
of climate?
(a) Warm winters
(b) Cold and dry summers
(c) Warm and dry summers and cold and wet winters-
(d) Warm and wet summers and cold and dry winters
136. The shortest day in Northern Hemisphere is
(a) 25 December
(b) 22 December-
(c) 15 June
(d) 22 June
137. Vasco da Gama discovered the sea route to India via the Cape of Good Hope
in
(a) 1494
(b) 1498-
(c) 1502
(d) 1506
138. The earth revolves round the sun in its orbit by approx .
(a) 5° per day
(b) 2° per day
(c) 1° per day-
(d) 3° per day
139. One degree of longitude on the equator is equal to a distance of— .
(a) 96 km
(b) 80 km
(c) 55 km
(d) 112 km-
140. Which of the following countries has longest land frontiers?
(a) Burma
(b) Russia
(c) China-
(d) Laos
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