A. High OP, high K+ conc B. High OP, low K+ conc C. Low OP, low K+ conc D. Low OP, high K+ conc Advertisement Related Mcqs: The heliophytes are characterised by:A. Vertically oriented leaves B. Horizontally oriented leaves C. Dropping leaves D. Twisted leaves The facultative heliophytes are infact:A. Heliophytes B. Chasmophytes C. Chersophytes D. Sciophytes The heliophytes possess:A. Low K+ concentration and low O.P B. High K+ concentration and low O.P C. Low K+ concentration and high O.P D. High K+ concentration and high O.P The mesophytes are characterised by:A. Uniform mesophyll B. Absence of cuticle C. Well developed root-shoot systems D. All of these The mangrove plants are generally characterised by:A. Mircophylly B. Pneumatophores and vivipary C. Absence of aerenchyma D. Poor water storage Stratification occurs in:A. Desert B. Tropical forest C. Deciduous forest D. Tundra Largest amount of fresh water on our planet is contained:A. In lakes and streams B. In rivers C. Underground D. On polar ice and glaciers In which region the juicy fruits are found?A. Desert B. Hills C. Plains D. Sea Flag trees’ are formed due to:A. Lodging B. Erosion and deperition C. Unidirectional wind D. Salt spray When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:A. 4.50% B. 9% C. 8.25% D. 16.50% Advertisement The correct answer to the question: "The heliophytes are characterised by:" is "High OP, low K+ conc".