The decomposition of sludge by anaerobic bacteria in sewage-treatment processes produces marsh gas (methane).
Which of the following is mainly produced by the activity of anaerobic bacteria on sewage?
Held on 30 Apr 2011 · Verified 9 Jul 2026.
Propane
Mustard gas
Marsh gas
Laughing gas
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Streptokinase produced by bacterium Streptococcus is used for
Which of the following is an example of non-distilled alcoholic beverage produced by yeast?
Which of following organisms cannot fix nitrogen? A. Azotobacter B. Oscillatoria C. Anabaena D. Volvox E. Nostoc Choose the correct answer from the options given below:
Which of the following microbes is NOT involved in the preparation of household products? A. Aspergillus niger B. Lactobacillus C. Trichoderma polysporum D. Saccharomyces cerevisiae E. Propionibacterium sharmanii Choose the correct answer from the options given below:
Match List-I with List-II relating to microbes and their products: $\begin{array}{|l|l|r|l|} \hline & \begin{array}{l} \text{List-I} \\ \text{(Microbes)} \end{array} & & \begin{array}{l} \text{List-II} \\ \text{(Products)} \end{array} \\ \hline A. & \text{Streptococcus} & I. & \text{Citric acid} \\ \hline B. & \text{Trichoderma polysporum} & II. & \text{Clot buster} \\ \hline C. & \text{Monascus purpureus} & III. & \text{Cyclosporin A} \\ \hline D. & \text{Aspergillus niger} & IV. & \text{Statins} \\ \hline \end{array}$ Choose the correct answer from the options given below:
Work through every NEET UG Microbes in Human Welfare PYQ, year by year.