MCQ Pre Historic Period SET 7 ALL MCQ For Pre Historic Period 1. In terrestrial areas temperature and rainfall is affected by:AbsorptionGuttationTranslocationTranspirationYour comments:Question 1 of 102. Identify the incorrect statement.In our body, all cellular processes take place in a water medium. All the reactions that take place within our body and within the cells occur between substances that are dissolved in waterIn our body, substances are transported from one part to the other in a dissolved form. Our body does not need to maintain the level of water within their bodies.Your comments:Question 2 of 103. Breakdown of bigger rocks into fine smaller mineral particles is called:PaedogenesisMineralizationCrackingWeatheringYour comments:Question 3 of 104. Which of the following mainly decides biodiversity in a particular area?Depth of bottom soilDifferent layers of soil Chemical composition of middle soilQuality of topsoilYour comments:Question 4 of 105. Which is not a function of humus?It allows water and air to penetrate deep underground.Humus greatly influences the soil structure of a region.Humus kills the harmful bacteria present in soil.Humus causes the soil to become more porous.Your comments:Question 5 of 106. Approximately 70 percent of the earth is covered by water. Of this amount, approximately _____ percent of it is suitable for human use.102550less than oneYour comments:Question 6 of 107. Which of the following does not cause water pollution?Addition of mercury salts to water body.Addition of disease-causing bacteria to water body.Addition of dissolved oxygen to water body. Addition of fertilizers to water body.Your comments:Question 7 of 108. The rate of soil erosion is faster in:MountainsPlainsValleyPlateauYour comments:Question 8 of 109. Which factor does not play any role in soil formation?Wind MoonWaterSunYour comments:Question 9 of 1010. Which is not a source of fresh water?OceansPolar ice-capsLakes Ground waterYour comments:Question 10 of 10 Loading...
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