Question 1Lakes formed as a result of landslides, screes or avalanches are known as A.Man-made lakesB.Barrier lakesC.Caldera lakesD.Rock-hollow lakesObjective Show full explanation
Question 2Mountains formed as a result of compressional forces in the earth's crust are A.Block mountainB.Fold mountainC.Volcanic mountainD.Residual mountainE.Rocky mountainObjective Show full explanation
Question 3Plant growth normally ceases, when the temperature falls below A.0°CB.6°CC.10°CD.15°CObjective Show full explanation
Question 4Rainfall caused by the movement of air over a mountain is called A.Orographic rainfallB.Cyclonic rainfallC.Frontal rainfallD.Thunder showerObjective Show full explanation
Question 5Rotation of the earth is A.The movement of the earth in the atmosphereB.The movement of the earth on its axisC.The movement of the earth round the sunD.The movement of the moon round the earthObjective Show full explanation
Question 6Seasons are recognized within the tropics primarily on the basis of A.air massesB.temperatureC.rainfallD.evaporationE.wind velocityObjective Show full explanation
Question 7Soil formation includes 1. Weathering, 2. organic activity, 3. Erosion, 4. leaching A.1 and 2B.1 and 3C.1, 2 and 4D.all the fourObjective Show full explanation
Question 8Temperature is usually depicted by the line graph because it is a property that A.fluctuates over spaceB.varies continuously over timeC.measures sensible heatD.is measured in terms of quantityObjective Show full explanation
Question 9The circulations of the oceans and the atmosphere, primarily help to redistribute and equalize global A.HeatB.FloraC.OxygenD.FaunaObjective Show full explanation
Question 10The cold current that flows northwards through the coast of West Africa is known as A.Canaries currentB.Cayenne currentC.Benguela currentD.South equatorial currentObjective Show full explanation
Question 11The fundamental role played by the decomposers in the functioning of the ecosystem is the A.disposal of plant and animal waste productsB.release of energy and nutrients locked up in organic litterC.precipitation of organic and mineral elements from the soilD.cycling of water and chemical elementsObjective Show full explanation
Question 12The Gulf stream is a A.cold current in southern AtlanticB.warm current in north PacificC.warm current in north AtlanticD.cold current in southern PacificObjective Show full explanation
Question 13The intensity of the sun's heat is not much in polar regions because A.the earth is flat at the polesB.the atmosphere is thick at the polesC.the angle of insolation is lowD.the angle of insolation is highObjective Show full explanation
Question 14The major constituents of a typical soil are A.gravel, sand ,silt and clayB.mineral matter, organic matter, air and waterC.stone, mineral matter, pore spaces and micro- organismD.calcium, magnesium, potassium and sodiumObjective Show full explanation
Question 15The most important environmental resource that sustains natural processes in an ecosystem is A.lightB.waterC.airD.energyObjective Show full explanation
Question 16The north pole experiences continuous darkness at the time of A.Summer solsticeB.Winter solsticeC.Vernal equinoxD.Autumnal equinoxObjective Show full explanation
Question 17The pedogenic regime of podzolization is typical in areas of A.coniferous forestsB.high temperature and humidityC.dry climateD.tropical monsoon regionsObjective Show full explanation
Question 18The period when the earth is furthest from the sun is A.AphelionB.SummerC.PerihelionD.SpringObjective Show full explanation
Question 19The polar radius of the earth measures A.6400kmB.6357kmC.6227kmD.6340kmObjective Show full explanation
Question 20The portion of the earth that contains life is the A.atmosphereB.hydrosphereC.lithosphereD.biosphereObjective Show full explanation
Question 21The processes by which materials are physically transferred from one soil layer to another is called A.leachingB.physical weatheringC.illuviationD.eluviationObjective Show full explanation
Question 22The processes of weathering include all but one of the following A.Alternate heating and cooling of rocksB.Peeling off of exposed layers of rounded crystalline rocksC.Rock rotting because of chemical changesD.Movement of rock particles down slope because of pull of gravityObjective Show full explanation
Question 23The stars are not scattered regularly in space but occur in clusters described as A.Elliptical bankB.GalaxiesC.Solar systemD.Star CondensationE.The milky wayObjective Show full explanation
Question 24The sun is vertical over the Tropic of Cancer on A.March 21B.June 22C.Sept. 23D.Dec. 22Objective Show full explanation
Question 25The term 'catena' describes theA.effect of topography on soil seriesB.sequence of modified soils along a slope profileC.changes in soil fertility along a slope profileD.colour differences in soils along a slope profileObjective Show full explanation