BOTANY Higher Secondary Second Year - Textbooks Online

Organisms used for SCP production
Algae Chlorella, Spirulina and Chlamydomonas.
Fungi Saccharomyces cereviseae, Volvoriella and
Agaricus campestris
Bacteria Pseudomonas and Alkaligenes
Uses of SCP
1. It is a rich source of protein (60 to 72 per cent), vitamins, amino
acids, minerals and crude fibres.
2. It is a popular health food. Nowadays, Spirulina tablets are prescribed
as enriched vitamin for most people.
3. It provides valuable protein-rich supplement in human diet.
4. It lowers blood sugar level of diabetics due to the presence of gammalinolenic
acid and prevents the accumulation of cholesterol in human
body.
Self evaluation
I . Choose and write the correct options.
1. The two protoplasts are fused with a fusogen called
a. polyethylene glycol (PEG) b. Polyvinyl chloride (PVC)
c. Polyethane glycol (PEG) d. Phosphoric ethane
2. Somatic hybrids are produced through
a. asexual fusion b. protoplasmic fusion
c. vegetative propagation d. grafting
3. One of the following organism is a SCP
a. Nostoc b. Rhizobium
c. Mushroom d. Spirulina
4. Enriched vitamin tablets are produced from the following organism
for human consumption
a. Nostoc b. yeast
c. Mushroom d. Spirulina
II. Answer the following questions in two or three sentences.
5. Define SCP.
6. What is somatic hybridization?
7. What is a bioreactor or fermenter?
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