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Question

In biotechnological studies, the alga that is exploited as a rich source of protein is

A
Spirogyra
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B
Spirulina
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C
Chlamydomonas
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D
Scytonema
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Solution

The correct option is B Spirulina
Spirulina is a filamentous blue-green alga or cyanobacterium which is coiled shaped. It is grown commercially for food and feed.
It is rich in proteins, vitamin B complex and minerals.
It has a protein level which is higher than any other natural food source. It consists of 55-77% protein of its dry weight.
The protein obtained from this alga is easily digestible and more suited to the human digestion than the animal protein so in biotechnology it is used as a rich source of protein for many applications such as powdered Spirulina is used in herbal tonics.
So, the correct answer is B.

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