Which microbial enzyme is used to clarify fruit juices?
Pectinase breaks down pectin in fruit juices, making them clearer.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Microbes in Human Welfare
Explore the positive roles of microbes in human life, including their use in medicine, food production, bioremediation, and industrial processes. Learn how these microorganisms support health, sustainability, and technological advancements.
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Which of the following microbes is commonly used in the bioremediation of oil spills?
Pseudomonas species can degrade petroleum hydrocarbons and are used in oil spill bioremediation.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which type of bacteria is used in the biological treatment of sewage to form microbial flocs?
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
Which of the following microbes is used in the commercial production of acetic acid?
Acetobacter aceti is used in vinegar production by converting ethanol into acetic acid.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which microorganism is used in the commercial production of acetic acid?
Acetobacter aceti is used in the fermentation process to convert ethanol into acetic acid (vinegar).
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which microorganism is used for the production of citric acid on an industrial scale?
Aspergillus niger is a fungus used in the large-scale production of citric acid.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which enzyme is commonly used in the clarification of fruit juices?
Pectinase breaks down pectin, which helps clarify fruit juices and make them more transparent.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which microbial enzyme is used in fruit juice clarification?
Pectinase breaks down pectin, making fruit juices clearer.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which microorganism is used in the fermentation of bamboo shoots?
Lactobacillus helps in the fermentation of bamboo shoots, making them more digestible.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which of the following microbes is used for the production of citric acid?
Aspergillus niger is used in the large-scale production of citric acid.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which of the following is a major concern when untreated sewage is released into water bodies?
Untreated sewage increases BOD, reducing oxygen levels in water and harming aquatic life.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance
Which of the following microbes is used in the fermentation of bamboo shoots?
Lactobacillus helps in the fermentation of bamboo shoots, improving digestibility.
Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes in Human Welfare - Overview and Significance