Academic session 2026-27, Chapter 2 in the current curriculum.
Welcome to the NCERT Solutions for Class 11 Biology - Chapter Biological Classification. This page offers a step-by-step solution to the specific question from Exercise 1, Question 2: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.
(a) Heterotrophic bacteria
(1) Many bacteria like Lactobacillus helps in the production of curd from milk.
(2) They act as decomposers and help in the formation of humus e.g. Pseudomonas.
(3) Many antibiotics are obtained from some species of bacteria like streptomyces, Bacillus etc.
(4) Many soil bacteria help in fixation of atmospheric nitrogen like Rhizobium (Symbiotic), Azotobacter (Free living).
(b) Archaebacteria
(1) Methane gas is produced from the dung of ruminants by the methanogens.
(2) Methanogens are also involved in the formation of biogas and sewage treatment.
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 2: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria....
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Comments
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Both points for archaebacteria are similar
HELPED ME , THANK YOU
Nice to me
Can you give us notes for every lessons of class 11 (cbse)?
Good But Stay main points and some points are confused us ......Nice job for Answers help Thanku
biology is limitless the more u try find the more u get confused ðŸËâðŸËâðŸËâ