PART - 1 - Unit I : CH - 2 Biological Classification — BIOLOGY STD 11 Science — Question
Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPART - 1 - Unit I : CH - 2 Biological Classification2 Marks
Question
State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria
✓
Answer
(a) Heterotrophic Bacteria <br>(i) In the production of antibiotics <br>(ii) In making curd from milk <br>(iii) Nitrogen fixation in the roots of legume plants. <br>(b) Archaebacteria <br>(i) In the production of bio gas from cow and buffalo dung. <br>(ii) These bacteria are present in the gut of several ruminant animals such as cows and buffaloes.
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