1) Which of the following parts of atmosphere is nearest to the earth? a. Troposphere b. Ionosphere c. Thermosphere d. Mengnosphere
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2) There is a path in the atmosphere which the earth follows as it moves around the sun, held by the force of gravity of the sun. Name the path? a. Milky way b. Radiant way c. Steady way d. Orbit
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3) Why days as well as nights at the moon lasts for about two weeks? a. The moon takes 27 b. The moon takes 30 c. The moon takes 55 d. None of these
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4) When do the spring tides occur? a. At only nes moon and full moon when the earth, the moon and the sun are in a line b. At new moon and full moon when the earth, the moon and the sun are in a line c. At full moon when the earth, the moon and the sun are in a line d. At half moon and full moon when the earth, the moon and the sun are in a line
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5) In how much time the light of sun reaches to the earth? a. One minute b. 20 minutes c. 15 minutes d. 8 minutes
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6) Which of the following is the shape of the earth? a. Circle b. Spherical c. Semi-circle d. Spheroidal
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7) When the earth reaches its perihelion when: a. it is farthest to sun b. the day in it is the longest c. the day in it is the shortest d. it is nearest to the sun
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8) What is the equatorial diameter of the earth? a. 15,756 km b. 19,756 km c. 18,756 km d. 12,756 km
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9) The Earth consists of three main zones; hydrosphere; lithosphere, and: a. Atmosphere b. Ionosphere c. Photosphere d. None of these
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10) The atmosphere provides the air for breathing, shields, plants and animals from excess heat from the sun. It filters out the shorter ultraviolet rays that would otherwise destroy life. Hydrosphere includes all the bodies of water and ice on earth. What is lithosphere? a. Land masses b. Sea beds c. Inner mass of earth d. All of these
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11) Name the narrow zone that supports life on our earth. It is limited to the waters of the earth, a fraction of its crust and the lower regions of the atmosphere? a. Ionosphere b. Biosphere c. Hollowsphere d. Exosphere
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12) Climate is weather condition at a particular place over a period of time. Including the effect of latitude and the title of the earth's axis to the plan of the orbit about the sun, and the large scale movement of different wind belt's over the earth's surface, which of the following is primary factor that determine the variations of climate over the surface of earth? a. Shapes of the ground b. The temperature difference between land and sea c. Location of the area in relation to ocean currents d. All of these
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13) Continental divide is a ridge of mountains that separates the streams that flow west into the Pacific Ocean from those that flow east into Atlantic Ocean and its marginal seas. Where continental divide is located? a. South America b. North America c. Central sia d. South Asia
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14) Scientists believe that continents are moving very slowly. What is this motion called? a. Continental shake b. Continental motion c. Continental move d. continental drift
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15) Which of the following parts of earth is the central part of the earth below the crust and mantle? a. Magma b. Larva c. Crater d. Core
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16) A hollow on the surface of the earth, Moon or other planets is known as: a. Crater b. Core c. Hollowgraph d. Depression
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17) Which name is given to the surface or outer layer of the earth that is made of solid rocks? a. Mental b. Crust c. Core d. Crater
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18) What is called flow of a body of waer air, of heat, moving in a definite direction? a. Mantel b. Current c. Core d. Crater
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19) What is cyclone? a. Air whirl b. Strong air c. Heavy air d. A low pressure area
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20) Cyclones form over the warm Oceans in the low latitudes during the hottest months of the year. What should be the ration of storm's winds before it is designated as a cyclone? a. Winds must surpass 119 km per hour b. Winds must surpass 300 km per hour c. Winds must surpass 50 km per hour d. Winds must surpass 75 km per hour
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21) Name the piece of land at a rivers mouth which is composed of silt deposited as the water slows on entering the sea? a. Liver month b. Delta c. Source d. None of them
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22) Which of the following term is used to describe a region of low atmospheric pressure? a. Depression b. Cyclone c. Low d. All of them
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23) An arid area in which there is no enough rainfall to support vegetation on a scale useful to humans, is called: a. Barren land b. Desert c. Dead land d. Drought
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24) The Kalahari desert in southwest Africa, Sahara in North Africa, the Arabian in Middle East, the Gobi in East Asia are among the world's greatest deserts. Which is the largest one? a. Kalahari b. Gobi c. Arabian d. Sahara
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25) What is called the process in which deserts are created by changes in climate or by human-aided processes? a. Drought b. Desertification c. Deforestation d. Urbanization
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26) In which region (s) about 135 million people are directly affected by desertification? a. Africa b. Indian Sub-continent c. South America d. All of them
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27) How is termed a period of dry weather, caused by lack of rain? a. Desertification b. Famine c. Dryness d. Draught
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28) There are four kinds of drought, permanent drought is found in arid and semi-arid regions, seasonal drought occurs in climates with definite dry and rainy season, unpredictable drought, where normal rainfall has failed to come. What is invisible drought? a. Unpredictable drought b. When even frequent showers do not restore sufficient moisture to land. c. Drought without any reason d. Drought without any known reason
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29) Earth is the only planet in the solar system on which the presence of living things is definitely known. Together with its single moon it revolves around the sun at an average distance of: a. 149, 600, 100 km b. 349, 600, 100 km c. 249, 600, 100 km d. 449, 600, 100 km
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30) How much is earth old according to recent estimation? a. 2.55 billion years b. 4.55 billion years c. 3.55 billion years d. 5.55 billion years
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31) what is called the shaking of earth due to sudden release of stresses built up in the earth's surface? a. Drought b. Cyclone c. Earth shake d. Earthquake
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32) Seismology is: a. Study of moon b. Study of Earthquakes c. Study of Nature d. Study of Earth
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33) The point at which an earthquake originates is called seismic focus. What is called the point on the earth surface directly above the seismic focus? a. epicentre b. seismic point c. seismic plate d. seismicentre
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34) Equator or terrestrial equator is the great circle whose plane is perpendicular to the earth's axis. What is its length that is divided into 360 degrees of longitude? a. 20, 092 km b. 40, 092 km c. 30, 092 km d. 50, 092 km
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35) Forces such as wind or water wear down the land. How is known this process? a. Erosion b. Desertification c. Mudsliding d. Demudding
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36) How is known a fracture of break in the Earth's crust which has allowed the rocks on either side of it to move in different directions during periods of geological stress and upheaval? a. Crack b. Fault c. Break d. Fracture
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37) Generally, ear the Earth's surface the cloud is formed when the air has cooled so much that it cannot hold all its water vapour, and excess is precipitated in the form of water droplets. What is it called? a. Fog b. Rainbow c. Condensation d. Snow
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38) Which time is mesured by the Geological time scale? a. Time from earth's formation to 19th century b. Time from present to future c. Time from the earth's formation to the end d. Time from the earth's formation to present
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39) Who study the rocks and minerals near the earth's surface? a. Geologists b. Surveyor c. Naturalists d. Earth Researches
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40) Name the hot spring which along with the clouds of steam sends up great flow of hot water? a. Lava b. Geyser c. Earthquake d. Eruption
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41) Where Geysers are found? a. In mountains b. In lonosphere c. In Oceans d. In volcanic areas
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42) Glacier is a mass of ice that descends very gradually down the largest known to exist at present is in Antarctica. What is its length? a. 200 km b. 400 km c. 300 km d. 500 km
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43) Which of the following regions is known as Grassland? a. Forests' area b. Areas near sea c. In which the dominant vegetation consists of grass d. In which the bust vegetation consists of grass
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44) Cyclones is a revolving storm in tropical regions. What is it called in north pacific? a. Typhoon b. Willy willy c. Hurricane d. Tornados
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45) How is known a floating mass of ice which has broken off from glacier and drifts in Oceans until it melts? a. Glacier b. Iceberg c. Island d. Iceland
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46) Igneous rock is one type of rocks which make up earth's surface. Which of the following is/are other ones? a. Sedimentary b. Metamorphic c. Both of them d. None of them
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47) Igeous rock is formed from cooling magma or lava, and solidifying from molten state. Which of the following rock(s) is the example(s) of igneous rock? a. Granite b. Basalt c. Both of them d. None of them
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48) Ionosphere refers to: a. Deepest part of the Earth's surface b. Deep, outer part of the Earth's surface c. Deep, inner part of the Earth's surface d. Deepest, outer part of the Earth's surface
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49) Why the deep, outer part of the Earth's surface is called lonosphere? a. it is changed b. it made up of ions c. it is predominately ionized d. Gas atoms in it are ions
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50) Ionosphere is very important in worldwide communication. When an atom becomes an ion? a. When it gains electrons b. When it loses electrons c. When it splits up in electrons d. When it gain or loses electrons
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