Question Text
Question 2 :
Sewage treatment process in which part of decomposer bacteria is recycled into starting of the process is called.
Question 22 :
Fill up the blanks by selecting the correct option. <br/>(i) Biogas is a mixture of gases which predominantly contains _____ and is used as _______. Methanogens are commonly found during sewage treatment. <br/>(ii) _______ species are free-living fungi and effective biocontrol agents of several plant pathogens.
Question 23 :
In paddy fields, biological nitrogen fixation is chiefly brought about by.
Question 24 :
A compound produced by an organism that inhibits the growth of another micro-organism is called
Question 27 :
In which of the following industries, microbial enzymes are not used?
Question 32 :
Large holes in Swiss cheese are formed due to production of a large amount of ${CO}_{2}$ by ?
Question 33 :
Which one of the following microbes is the source for vitamin C?<br/>
Question 35 :
Which one of the micro-organism is used for production of citric acid in industries?<br>
Question 36 :
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the
Question 37 :
Lactic acid bacteria convert milk into curd and improves its nutritional quality by enhancing vitamin
Question 40 :
The technology of biogas production was developed in India through the efforts of