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Question
The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as
The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as
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Solution
The correct option is B Heterotrophic bacteria
Chemosynthetic autotrophs :
Chemosynthetic autotrophs use inorganic nutrients for sources of energy. They are usually fastidious about their food sources and therefore are not used for antibiotic and curd production.
Heterotrophic bacteria :
Heterotrophic bacteria have a wide range of food sources, that includes a variety of organic matter. They can derive energy through the process of fermentation. The byproducts produced as a consequence can be used for human welfare.
For example, lactic acid bacteria utilize lactose as a carbon source and convert into lactic acid.
Cyanobacteria :
Cyanobacteria or blue green algae are photoautotrophs which use sunlight and carbon dioxide for preparing food. They are not utilised in fermentation processes.
Archaebacteria :
Archaebacteria are extremophiles, living in extreme climatic conditions. Therefore, they are not suitable to be used in industrial conditions.
Final answer :
(B) Heterotrophic bacteria
Chemosynthetic autotrophs :
Chemosynthetic autotrophs use inorganic nutrients for sources of energy. They are usually fastidious about their food sources and therefore are not used for antibiotic and curd production.
Heterotrophic bacteria :
Heterotrophic bacteria have a wide range of food sources, that includes a variety of organic matter. They can derive energy through the process of fermentation. The byproducts produced as a consequence can be used for human welfare.
For example, lactic acid bacteria utilize lactose as a carbon source and convert into lactic acid.
Cyanobacteria :
Cyanobacteria or blue green algae are photoautotrophs which use sunlight and carbon dioxide for preparing food. They are not utilised in fermentation processes.
Archaebacteria :
Archaebacteria are extremophiles, living in extreme climatic conditions. Therefore, they are not suitable to be used in industrial conditions.
Final answer :
(B) Heterotrophic bacteria
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