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Question

Which of the following statement 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.

A
(i), (iii) and (iv)
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B
(iii) only
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C
(iv) only
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D
(i) only
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Solution

The correct option is D (i) only
i) SCP can be produced from algae, bacteria, filamentous fungi and yeast. Out of these, some are multicellular.
ii) It provides food rich in quality proteins and low carbohydrates.
iii) Microbes like Spirulina can be grown easily on materials like waste water from potato processing plant, straw, molasses, and even on sewage.
iv) Growing these microbes on waste material and incidentally, such utilization also reduces environmental pollution.
v) SCP has to be processed before use to remove excess amount of nucleic acid present in them.
Thus the correct answer is 'i'.

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