In which one of the following habitats does the diurnal temperature of soil surface vary most:? July 22, 2019 BILAL KHATTAK0 A.Forest B.Desert C.GrasslandD.Shrub landundefined
Field capacity is the extent to which a soil can hold:? July 18, 2019 BILAL KHATTAK0 A.Gravitational water B.Capillary water C.Hygroscopic waterD.Capillary water plus hygroscopic waterundefined
Plants absorb from the soil? July 18, 2019 BILAL KHATTAK0 A.Hygroscopic water B.Gravitational water C.Capillary waterD.Hygroscopic and gravitational waterundefined
The chemical produced by the host plant to protect themselves against fungal infection is:? July 16, 2019 BILAL KHATTAK0 A.Toxin B.Hormone C.PhytotoxinD.Phytoalexinundefined
Environment planning organisation is:? July 15, 2019 BILAL KHATTAK0 A.CSIR B.NEERI C.CPHERID.ICARundefined
Which adaptation is seen in the leaf insect?? July 12, 2019 BILAL KHATTAK0 A.Migration B.Camouflaging C.Batesion mimicryD.Mullerian mimicryundefined
Soils transported by air is called:? July 10, 2019 BILAL KHATTAK0 A.Eolian B.Aerial C.ResidualD.Colluvialundefined
Relationship between nitrogen fixing bacteria and a legume plant is described as:? July 9, 2019 BILAL KHATTAK0 A.Mutualistic B.Parasitic C.SaprophyticD.Commensalundefined
Flag trees’ are formed due to:? July 6, 2019 BILAL KHATTAK0 A.Lodging B.Erosion and deperition C.Unidirectional windD.Salt sprayundefined
Plants grow sparsely in arid regions of the world:? July 5, 2019 BILAL KHATTAK0 A.Only because of high temperature B.Because no seeds fall near the soil C.Because of several environmental factors combining togetherD.Because the soil is sandyundefined