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The vitamins produced by activity of microbes are :
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The vitamins produced by activity of microbes are :

The vitamins produced by activity of microbes are :

  1. Vitamin
  2. Vitamin
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Assertion (A) : Geitonogamous flowering plants are cross-pollinated plants.
Reason (R): In geitonogamous flowering plants the pollen is transferred to the stigma of another flower of another plant.
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(B) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
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Male gametophyte in angiosperms produces
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Sun is the only source of energy for all the listed ecosystem, except:
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of tow inot make yeu thinks that all munobes are harmful; several are uneful to man in diverse ways. Some of the most important gans of maktobes to human welfare are dixcursed in this chapter. M surprised to know that we une microbes or products at erem shent eseryday. A common example is the production of ( Durind crowth. the 1AB prothtrent grow in milk and convert it y digcst the milk proteins A small amougulate and (k. as inoculum or starter contain millions of . Whteh at temperatures multiply, thus comverting milk to curct. whteh a mrowes Its nutritlonal quality by Increasing vitamin B. In otrr ash too, the LAB play very beneficial role in checking diseaseandicrobes. ne douch. which is used for making foods such as dosa and idli is aftarnted by bacteria. The puffed-up appearance of dough is due to en place resulting in the formation of CO? Where do you think the ans for these fermentations come from? Similarly the dough, which anst for making bread. is fermented using baker's yeast anuromyoes nereutsifac). A number of traditional drinks and foods * a. made by fermentation by the microbes. Toddy', a traditional at disome parts of southern India is made by fermenting sap from Microbes are also used to ferment fish. soyabean and bambooso make foods. Cheese, is one of the oldest food Items in which sthes were used Different varteties of cheese are known by their watertstic texture, flavour and taste, the specticity coming from the whes used For example, the larke holes in 'Swiss cheese' are due to whartion of a larke amount of CO, by a bacterium namec Fondortertum sharmanii. The 'Roquefort cheese' are ripened by Deles a sperific limid ofi them. whteh gives them a particular flavour. Whi tridustry. mucrobes itre used to synthesise a number of product
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 The purpose of biological treatment of waste-water is to
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Question 3
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Disease which is always present at a low level in a given population or a region is termed as
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Find the relative density of species-A having 100 individuals in an area with total number of individuals of 50000 of different species
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Question Text
The vitamins produced by activity of microbes are :
TopicBiology in Human Welfare
SubjectBiology
ClassClass 12