67 public questions tagged with this topic.
Decomposers, such as fungi and bacteria, break down organic matter into simpler substances, facilitating nutrient cycling.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Plasmids are extra-chromosomal DNA molecules used as vectors to carry and transfer genes in bacteria.
Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Bioreactors and Downstream Processing
Transformation does not require a virus; it can occur naturally or be induced using chemical or physical treatments.
Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Competent Host and Gene Transfer Methods
Transformation does not require a virus. It can be induced artificially using calcium chloride treatment or electroporation.
Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Competent Host and Gene Transfer Methods
Transformation is the process where bacteria take up foreign DNA from their surroundings and integrate it into their genome.
Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Competent Host and Gene Transfer Methods
Restriction enzymes in bacteria act as a defense mechanism by cutting foreign viral DNA to prevent infection.
Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Tools - Restriction Enzymes - Molecular Scissors
Transformation is a method used to introduce foreign DNA into bacterial cells, either naturally or through artificial methods like electroporation.
Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Principles of Biotechnology - Genetic Engineering
Aerobic heterotrophic bacteria form microbial flocs in aeration tanks, which help in the biological treatment of sewage.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Lactobacillus is widely used in the production of lactic acid and is important in dairy fermentation.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Pseudomonas produces lipases used in detergents to break down oily stains.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Rhizobium forms symbiotic relationships with leguminous plants and helps in nitrogen fixation.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria
Azotobacter (free-living) and Rhizobium (symbiotic) fix atmospheric nitrogen into usable forms for plants.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria
