Question

The edible green algae rich in protein is
(a) Porphyra
(b) Chlorella
(c) Laminaria
(d) Chondrus crispus

Answer 1

Hint: Algae that belongs to the class Chlorophyceae used in the preparation of single-cell protein that is rich in proteins, minerals, fats, carbohydrates, and vitamins.

Complete answer:
As a source of good protein, most of the microbes are grown on an industrial scale. Microbes such as algae, fungi, and bacteria are used as single-cell proteins(SCP) production. They can be easily grown on waste materials like wastewater from potato processing, molasses, straw, animal manure, and sewage. Some of the edible algae like spirulina, chlorella, and scenedesmus are made into a single cell protein that is in proteins, minerals, fats, carbohydrates, and vitamins. Along with this, they can also reduce pollution in the environment.

Additional information:
- Production of cereals, pulses, vegetables, fruits, etc by conventional methods may not be able to meet the demand for food with the increasing rate of the human and animal population.
- To meet their nutritional needs, people are being shifted from grain to meat diet so the demand for cereals also increasing because it requires 3-10kgs of cereals to produce 1kg of meat in animal farming
- One of the best alternative source to get rid of this crisis is the production of single-cell proteins(SCP)
- Microbes such as algae, fungi, and bacteria can be easily grown on materials like water from potato processing that is rich in carbohydrates, animal manure, sewage, molasses, and straw.
- They are used as a source of single-cell proteins and can be grown on an industrial scale.
- Single-cell protein is rich in proteins, minerals, fats, carbohydrates, and vitamins. The production of single-cell protein also helps in the reduction of environmental pollution.

So, the correct answer is ‘chlorella’.

Note: -Examples of SCP producing fungi: candida utilis, saccharomyces cerevisiae, chaetomium cellulolyticum.
-SCP produces bacteria: brevibacterium ketoglutamicium, methylophilus methylotrophus.
-SCP producing algae: chlorella, spirulina, scenedesmus.