The ecologically fixed and genetically irreversed component of species is called:? November 25, 2019 BILAL KHATTAK0 A.Ecotone B.Ecological equivalents C.EcotypeD.None of theseundefined
Percentage of water left in the soil when a plant wilts is known as:? November 22, 2019 BILAL KHATTAK0 A.Turgidity B.Wilting coefficient C.Field capacityD.Water retaining power of the soilundefined
Soil formed-after leaching and rich in Al and Fe is? November 21, 2019 BILAL KHATTAK0 A.Alluvial B.Padsol C.LateriteD.None of theseundefined
The phenomenon describing the formation of a blue-grey coloured layer at the bottom of the solum due to ferrous compounds is:? November 21, 2019 BILAL KHATTAK0 A.Gleization B.Mineralization C.LaterizationD.Podsolizationundefined
The most interfering biotic components are:? November 20, 2019 BILAL KHATTAK0 A.Birds B.Herbivores C.HuntersD.Human beingsundefined
Soil that is made-up of particles, that have been carried in water and thus deposited, is called:? November 19, 2019 BILAL KHATTAK0 A.Silt B.Clay C.Sub-soilD.Loamundefined
Mycorrhiza is a symbiotic association between:? November 18, 2019 BILAL KHATTAK0 A.Algae and fungi B.Algae and bryophytes C.Algae and roots of gymnospermsD.Fungi and roots of higher plantsundefined
During adverse season, thermophytes survive by:? November 16, 2019 BILAL KHATTAK0 A.Bulbs B.Corms C.RhizomesD.Seedsundefined
As a result of fire, there is destruction of the following components of soil:? November 15, 2019 BILAL KHATTAK0 A.Litter B.Organisms C.Inorganic matterD.All of theseundefined
Development of soil from parent rock is termed as:? November 14, 2019 BILAL KHATTAK0 A.Edaphic factor B.Pedogenesis C.EdaphotropismD.Edaphic climaxundefined