On which of the following material, Spirulina cannot grow?

On which of the following material, Spirulina cannot grow? Correct Answer Lava

Spirulina can be easily grown on materials like straw, molasses, animal manure and even sewage, to produce large quantities and can serve as food rich in protein, minerals, fats and carbohydrates and vitamins. Incidentally, such utilisation also reduces environmental pollution.
Bissoy MCQ

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Following are non-conventional novel food developedfor nutrition security.
1. Leaf Protein Concentrate
2. Fermented foods
3. Spirulina
4. Textured Soy Protein
5. Amylase Rich Food
স্পিরুলনা (Spirulina) কোন ধরনের উদ্ভিদ ?
In the culture of Spirulina _______________ is added to maintain high alkalinity.
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Raw material purchased:
1st January, 600 units @ Rs. 12 per unit
12th January, 500 units @ Rs. 14 per unit
21st January, 300 units @ Rs. 13 per unit
Raw material issued for manufacture:
3rd January 300 units
5th January 124 units
15th January 250 units
16th January 300 units
Raw material returned to stores from manufacturing department on 14th January, 50 units. The material is issued on First-in-First out method.
The value of material remaining in store on 21st January will be:
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