2<\/sub> by a bacterium named
\n(a) Propionibacterium sharmanii.
\n(b) Penicillium notatum
\n(c) Streptococcus
\n(d) Monascus purpureus
\nAnswer:
\n(a) Propionibacterium sharmanii<\/p>\nQuestion 5.
\nClostridium butylicum produces
\n(a) butyric acid
\n(b) acetic acid
\n(c) aspartic acid
\n(d) lactic acid
\nAnswer:
\n(a) butyric acid<\/p>\n
Question 6.
\nNote the relationship between first two words and suggest suitable word for the fourth place. Acetobacter aceti – acetic acid, Aspergillus niger – ……..acid.
\nAnswer:
\n(a) Citric acid<\/p>\n
Question 7.
\nMasses of bacteria associated with fungal filaments to form mesh-like structures in secondary treatment in sewage plants. What is it called?
\nAnswer:
\nFloes<\/p>\n
Question 8.
\nBiogas is a terminology that we hear in our day to day life. Name the gases produced in biogas plant.
\nAnswer:
\nMethane, CO2<\/sub>, H2<\/sub><\/p>\nQuestion 9.
\n………..Is called brewer’s yeast, which is used for fermenting malted cereals and fruit juices to produce ethanol.
\n(a) Saccharomyces cerevisiae
\n(b) Clostridium butylicum
\n(c) Trichodermapolysporum
\n(d) Penciliumnotatum
\nAnswer:
\n(a) Saccharomyces cerevisiae<\/p>\n
Question 10.
\nOver use of chemical fertilizers harmfully affect the environment and human survival. Make discussion . points to reduce the use of chemical fertilizers.
\nAnswer:
\nOrganic farming and use of biofertilizers.<\/p>\n
Question 11.
\nBiogas is a terminology that we hear in our day to day life. Name the gases produced in biogas plant.
\nAnswer:
\nMethane, CO2<\/sub>, H2<\/sub><\/p>\nPlus Two Zoology Microbes in Human Welfare Two Mark Questions and Answers<\/h3>\n
Question 1.
\nFind out the name of the microbes from which Cyclosporin A (An Immunosuppressive drug) and statins (Blood cholesterol-lowering agent) are obtained.
\nAnswer:<\/p>\n