Water Logging in Plants
Quiz by Alia Kamaruzaman
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10 questions
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- Q1_________ soil temperature restricts root development, depresses biotic activity in the soil resulting in __________ rate of production of available nitrogen hampering seed germination and seedling growth.Lower, upperedUpper, upperedUpper, loweredLower, lowered30s
- Q2Water logging isthe contamination of water bodies, usually as a result of human activitiescontinuous movement of water on, above and below the surface of the Earthoccurs whenever water enters the soil at a faster rate than it can drain awayall of the above30s
- Q3Excess water causes problems for plants in a number of ways, exceptwater logging prevents carbon dioxide from diffusing awayexcess water helps the plant move nutrients from the soilwater logging limits oxygen supply to the rootsthe soil remains wet after rain30s
- Q4All above are natural causes of water logging exceptrainfed systemsthe weathergeologysoil type30s
- Q5The reduction of soil temperature will lead to reduce the production of _________ and stuned growth of plants.calciumboronphosphorusNitrogen30s
- Q6What is the harmful effect of water logging that caused by unthoughtful planning of irrigation system?Damaged immune system that increases susceptibility to infectionWater logged soil provides excellent breeding grounds for mosquitoesLeads to environmental pollution due to the release of poisonous chemicalsLacks sufficient levels of good carbohydrates and proteins30s
- Q7How can water logging be reduced?Providing adequate number of bridges and culvertsAvoid burning leaves, trash, and other materialsChoose environmentally friendly cleanersAll of the above30s
- Q8There are several ways in which irrigation can increase water logging exceptseepage from canalsover irrigationgood irrigation managementinadequate drainage30s
- Q9When soil structure is affected and tillage and cultivation of wet soil takes place, bacteria tend to reduce normal biotic activity and this affects root development.TrueFalse30s
- Q10______________ may be regarded as water logged when the water table of the groundwater is too high to conveniently permits activity like agriculture.Water wellLandslideSoilClay30s