Useful Microbes
Useful Microbes: Overview
This topic covers concepts such as, Microorganisms, Stored Food in Algae, Vermi-compost etc.
Important Questions on Useful Microbes
Which bacteria are utilized in the biogas plant?
Organisms called methanogens are most abundant in:
All of the following statements concerning the Actinomycetes filamentous soil bacterium Frankia are correct except that Frankia
Escherichia coli is used extensively in biological research as it is –
Which of the following does not represent a microorganism?
Which two gases react during lightning to form nitric acid through many steps?
Which bacterium produce butyric acid?
Given below is the step-by-step process in the formation of yoghurt (curd) in a bioreactor.
From the flowchart, identify two systems that the bioreactor would have. Give a reason to support your answer.
Given below is the step-by-step process in the formation of yoghurt (curd) in a bioreactor.
Why does the pH start decreasing a while after the mixture is incubated at 37-44 °C?
The slurry formed after biogas production is recommended as manure for plants. Which nutrients will the slurry be rich in and why?
What is the reason of large holes in Swisa cheese ? Name the fungus used in ripenimg of Roquefort cheese:
Methanogens do not produce
The technology of biogas production from cow dung was developed in India largely due to efforts of
Match the following list of bacteria and their commercially important products
| Bacterium | Product | ||
| (i) | Aspergillus niger | (a) | Lactic acid |
| (ii) | Acetobacter aceti | (b) | Butyric acid |
| (iii) | Clostridium butylicum | (c) | Acetic acid |
| (iv) | Lactobacillus | (d) | Citric acid. |
Fungus used in preparing soy sauce is
A good producer of citric acid
Probiotics are
Which one is wrongly matched ?
Which one is used for preparation of bread
Baker's yeast is
