NEET Botany Strategies for Enhancement in Food Production Questions Solved

AIIMS - 2003

People recovering from long illness are often advised to include the alga Spirulina in their diet because it

(a) makes the food easy to digest

(b) is rich in proteins

(c) has antibiotic properties

(d) restores the intestinal microflora.

(b) Spirulina is a blue-green algae. Spirulina platensis is one of the richest source of protein, containing 40-50 percent crude protein on dry weight basis which under favourable condition may reach upto 70 percent. Its protein has balanced composition containing all essential amino-acids and lysine and tryptophan being present in sufficient quantities. Spirulina is also rich in vitamines, particularly Vit. B12, which is not common in plant products and contains considerable amounts of fats, carbohydrates and minerals. It's lipids are made up of unsaturated fatty acids that do not form cholesterol.

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