Which of the following statements is/are not correct for single cell protein (SCP)?
(i) The biomass is obtained from unicellular microorganisms only.
(ii) It provides a protein rich supplement.
(iii) They can be grown easily on materials like waste water from potato processing plants, straw, manure, sewage, etc.
(iv) It helps to minimise environmental pollution.
(v) SCP has to be processed before use.