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who was charles darwinthe charles darwin was an english naturalist born in 1809 and considered the father of the theory of evolution by the end of
define procedure for determination of fungal and yeast countnow carry out the exercise following the steps enumerated herewith1 shake the food sample
what is lamarckismthe lamarckism is the theory that unites the law of use and disuse with the law of the transmission of acquired characteristics
what is meant by the law of use and disuse and by the law of the transmission of acquired characteristicsas per to the law of use and disuse the
q show the history of animal taxonomythe beginning of animal taxonomy was made by aristotle 384-322 bc he extensively studied about anatomy
historically what were the two main evolutionary theoriesthe two major evolutionary theories were darwinism and
explain the theory or principle for determination of fungal and yeast countfungi are widespread and present on food equipments and processing and
how does the study of fossils strengthen the theory of evolutionthe study of fossils reveals extinct and ancient species having many similar
what are fossilsthe fossils are petrified vestiges of beings that lived in the past conserved by chemical and geological processes and found within
explain precautions for gram staining of bacterial cultures1 the dilutions should be chosen on the basis of expected counts in the food sample2 food
in the scientific competition against fixism what are the main arguments that favor evolutionismthe major arguments in favor of evolutionism are
what do you mean by post-herbal period ansit is difficult to draw a sharp line of demarcation between the transition period marked by various
define procedure for gram staining of bacterial culturesnow carry out the exercise following the steps enumerated herewith1 label the nutrient agar
q what do you mean by transition periodthe transition period from the renaissance to the modern period produced many notable workers and much
explain theory or principle of gram staining of bacterial culturesfoods are rich in various nutrients and can support the growth and survival of
explain the direct microscopic counts dmcthe process includes making a smear of food sample on a microscope slide followed by staining with an
q define the herbalsduring the middle ages following the decline of the greek and roman civilisations little significant botanical progress was made
explain some limitations of most probable number1 large quantity of glassware is required2 colony morphology cannot be determined3 it lacks
explain some advantages of most probable number1 it is simple and method of choice for determining fecal coliform densities2 results of different
define the utilization of most probable number techniquesthe mpn technique multiple tube technique can be used to determine the presumptive coliform
explain the most probable number mpn techniquesdifferent procedures and media may be used depending on the food tested and the information sought
explain the microscope colony counts and agar dropletsmicroscope colony counts - the method involves counting of micro-colonies that develop on agar
explain the hydrophobic grid membrane filter hgmfit is also used to enumerate microorganisms from a variety of food samples by using this method
q classification of plant on the basis of their resemblancespliny seemed to have little interest in the classification of plant on the basis of their
explain about the microcolony deftit allows determination of viable cells food homogenate is filtered through a deft membrane and then placed on the