Physical removal of large and small from the sewage through filtration and sedimentation is called:
Primary treatment
Secondary treatment
Tertiary treatment
Quaternary treatment
Additional Questions
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Which of the following will begin fixing nitrogen only after they stop reproducing? |
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Which of the followings is also called sac fungi that live parasitically and in various habitats? |
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Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by |
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The most important of the symbiotic nitrogen fixing bacteria which forms nodules on the roots of legume plants is |
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The most common fungal partners of mycorrhiza are ______ species. |
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Human insulin is being commercially produced from a transgenic species of |
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Cyanobacteria serves as important biofertilizers in the fields of |
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A patient brought to a hospital with myocardial infarction is normally immediately given |
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The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorized as |
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A nitrogen fixing microbe associated with Azolla in rice fields is |
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