A. Basalt plateau B. Cinder cone C. Shield volcanoes D. Composite volcanoes
A. the north-east atlantic region B. the north-east pacific region C. the north-west pacific region D. the south-east asian region
A. cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the Af B. wind…
A. haematite B. siderite C. limonite D. magnetic
A. Bihar B. West Bengal C. Kerala D. Orissa
A. Middle East B. North Africa C. both (a) and (b) D. None of the above
A. deterioration of electronic circuits B. damage of solar cells of spacecraft C. adverse effect on living organisms D. All…
A. Canada B. West Africa C. Australia D. North America
A. the earth's atmosphere B. interstellar dust C. both (a) and (b) D. None of the above
A. ionosphere B. exosphere C. stratosphere D. troposphere
A. temperature B. location C. weather D. All of the above
A. Machine Tools B. Cement Industry C. Bio-technical Industry D. Aviation Tools
A. clayey loam B. rich , muddy and saturated with water C. deep, loamy, well drained D. humus, rich in…
A. 8-10 km above the earth's surface B. 5-8 km above the earth's surface C. 5-10 km above the earth's…
A. whenever the normal decrease of atmospheric temperature B. when the decrease in temperature or moisture or both takes place…
A. air is rising B. atmospheric pressure is low C. at the equator and in the mid-latitudes D. All of…
A. speed of satellites B. speed of ships C. distance between bodies in the universe D. speed of rockets
A. spring tide B. low tide C. ebb tide D. None of the above