#1. What is the value of soil porosity in loam soil? 1%1% 2%2% 1.3%1.3% 1.45%1.45% #2. How many animals cannot maintain thermal and osmotic balance with environment? Approximately 99%Approximately 99% Approximately 89%Approximately 89% Approximately 79%Approximately 79% Approximately 69%Approximately 69% #3. Name the plant group in which arenchyma is present but vascular tissue specially xylem is poorly developed. XerophytesXerophytes None of theseNone of these HydrophytesHydrophytes MesophytesMesophytes #4. Give examples in which chylocauly is present. CereusCereus All of theseAll of these OpuntiaOpuntia EuphorbiaEuphorbia #5. Select the incorrect statement (w.r.t. Ecological niche) No two species can have the same niche if they are found in same environment.No two species can have the same niche if they are found in same environment. It represents functional role and status of a species in the environment.It represents functional role and status of a species in the environment. It is a component of habitat which is governed by functioning of an organism.It is a component of habitat which is governed by functioning of an organism. It does not represent trophic position of a species.It does not represent trophic position of a species. NEXT PAGE » Results