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Characteristics of a good root stock for grafting are;Resistance to pest and diseasesFast growingHas strong roots
Characteristics of a system are;Holistic thinking: Components may be simple but the combination gives a complex whole whose overall goals are more sophisticated.Subsystems: systems are made up of different componentsBoundary and environment: each system has space within which the components operate.Purpose: each system performs a specific task.Process: Process data from one state to anotherSystem entropy: systems decay naturally over timeInputs and outputs: systems communicate with their environments y receiving inputs and giving outputs.Open and closed systems: open systems adapt to changes in the environment.Control: control is achieved through feedback and adjusts control signals ensuring that outputs meet set expectations
Indicators of a good tax system include;Equity - Tax burden should be distributed among the tax payers according to their ability to payEconomy - Collection and administrative cost of the tax should not exceed tax revenue collectedFlexibility - Tax system should be capable of being revised or changed in line with the changing economic conditions.Diversity - Different types of tax so that tax burden is on different groups of the society.Elasticity - Tax revenue should be capable of responding appropriately to changes in national income.Simplicity - The tax system should be understood by tax payers and the collectors. This motivates them to pay tax.certain -The one expected to pay should be clearly aware of how much he/she is paying. The tax collector/government should also be aware of how much it is supposed to collect from tax.
Characteristics of a good site for a fish pond are;Topography/slope of land should be gentle slopingReliable water sourceAreas with cracks/ant hills should be avoidedSoil type should be free of gravel/soil/sand/preferably should be claySecure from predators of thievesShould be accessible
Characteristics of a good breeding stock are;Good quality productsGood mothering abilityGood temperamentAdapted to local conditions eg high disease resistance, drought resistanceProper body conformationFree from physical deformitiesHigher performer/yielderFertileProlificHealthyYoung