Q3
Read the following statements (i - iv) and select the incorrect statements related to the abiotic factor water.
(i) For organisms living in water bodies, chemical composition and pH plays an important role.
(ii) Organisms that can tolerate only a narrow range of salinity are called stenosaline.
(iii) The salinity is < 5 ppt for inland waters and > 100 in hypersaline lagoons.
(iv) Organisms living in oceans, lakes and rivers do not face any water related problems.