Identify the incorrect statement regarding Spirulina. - Sri Chaitanya Infinity Learn Best Online Courses for NCERT Solutions, CBSE, ICSE, JEE, NEET, Olympiad and Class 6 to 12

A
It is an example of blue green algae.
B
They can be grown easily on materials like waste water from potato processing plants.
C
They can serve as food rich in protein, minerals, fats, carbohydrate and vitamins.
D
Their use as single celled proteins can cause a lot of environmental pollution.

Solution:

Blue-green algae like Spirulina can be grown easily on materials like waste water from potato processing plants (containing starch), straw, molasses, animal manure and even sewage, to produce large quantities and can serve as food rich in protein, minerals, fats, carbohydrate and vitamins. Incidentally such utilisation also reduces environmental pollution.