The derelict land or mine spoil can be reclaimed to a semi-natural condition by1 MarksChoose Option AA. RevegetationChoose Option BB. Gradual restoration of floraChoose Option CC. Prevention of drainage dischargeChoose Option DD. All methods

______________ land that is not good for cultivation anymoreSelect one:a.Derelictb.Catchmandc.Arabled.Reclaimable

Waste land includes………………………Select an answerALand left without cultivation for one or less than one agricultural yearBLand put to non-agricultural usesCrocky, arid and desert areasDLand left uncultivated for the past 1 to 5 agricultural years

Matching QuestionMatch each remediation technique with its correct description.InstructionsDrag and drop application.ContainmentContainment drop zone empty.ExtractionExtraction drop zone empty.PhytoremediationPhytoremediation drop zone empty.To use plants that grow fast to remove large amounts of organic nutrients from waterTo restrain dirty water or liquid wastes in a place or cap the surface with an impermeable layerTo pump out polluted water so it can be treated

Which one of the strategy is not adopted for conservation of waterQuestion 20AnswerA.Storing water in soilB.Reuse of waterC.Decreasing run-off lossD.Fallow soil

Select all that applyWhich of these activities can be accomplished on a small-scale to help biodiversity?Multiple select question.Leave dead wood standing or where it falls.Remove grassy lawn and replace it with native plant species.Keep your lawn as green and weed-free as possible.Leave dead vegetation standing through the winter.Remove all insect larvae from your garden by hand.