Biology in Health - Microbes in Human Welfare

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Q1. Which of the following is a common use of bacteria in agriculture? (2023)

Solution:

Bacteria are used in agriculture for various purposes, including as pesticides, fertilizers, and for nitrogen fixation.

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Q2. What is the role of probiotics in human health? (2020)

Solution:

Probiotics are beneficial bacteria that enhance gut health and improve digestion.

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Q3. Which of the following microbes is used in the production of biofertilizers? (2022)

Solution:

Rhizobium is a bacterium that forms symbiotic relationships with legumes and is used in biofertilizers for nitrogen fixation.

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Q4. What is the primary benefit of using probiotics? (2023)

Solution:

Probiotics are beneficial bacteria that help enhance gut health and improve digestion.

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Q5. Which of the following is a common application of yeast in human welfare? (2021)

Solution:

Yeast is commonly used in alcoholic fermentation to produce beverages like beer and wine.

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Q6. Which of the following microbes is commonly used in the fermentation of food? (2021)

Solution:

All of the mentioned microbes can be involved in fermentation processes, but bacteria and fungi are the most common.

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Q7. Which of the following microbes is commonly used in the fermentation of yogurt? (2021)

Solution:

Lactobacillus is the primary bacterium used in the fermentation process to produce yogurt.

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Q8. Which of the following microbes is used in the production of insulin? (2023)

Solution:

Genetically modified bacteria are used in the production of insulin for diabetes treatment.

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Q9. Which of the following is a product of microbial fermentation? (2022)

Solution:

Microbial fermentation can produce antibiotics, vitamins, and alcohol, among other products.

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Q10. Which of the following is a method of preserving food using microbes? (2022)

Solution:

Fermentation is a method of preserving food by using microbes to produce acids or alcohol that inhibit spoilage.