31) '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
32) Which one of the following is an ore of iron?
(A) Bauxite
(B) Haematite
(C) Ilmenite
(D) Gypsum
33) 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
34) The rocks which are formed by direct cooling and solidification of magma are called
(A) Sedimentary rocks
(B) Derivative rocks
(C) Igneous rocks
(D) Metamorphic rocks
35) 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
36) The shortest day in Northern Hemisphere is _________
(A) 25 December
(B) 22 December
(C) 15 June
(D) 22 June
37) Vasco da Gama discovered the sea route to India via the Cape of Good Hope in _______
(A) 1494
(B) 1498
(C) 1502
(D) 1506
38) 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
39) 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
40) Which of the following countries has longest land frontiers?
(A) Burma
(B) Russia
(C) China
(D) Laos