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Microbes in Hum...

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  • Question 1
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    The technology of biogas production was developed in India mainly by

  • Question 2
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     Which of the following is useful for us?

  • Question 3
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    Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct?

  • Question 4
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    Directions For Questions

    Soda-lime is a mixture of sodium hydroxide and calcium hydroxide and can be used to measure the rate of $$CO_2$$ production by soil microorganisms. It reacts with $$CO_2$$ as follows:
    $$Ca(OH)_2 + 2 NaOH + 2CO_2 \rightarrow  CaCO_3 + Na_2CO_3 + 2H_2O$$
    Assume the following:
    I. Weight of dry soda lime just before the experiment: A gm
    II. A gm soda-lime incubated with soil in an airtight container for 4 days and weighed: B gm
    III. A gm soda-lime incubated without soil in an airtight container for 4 days and weighed: C gm
    IV. Sample II dried and weighed: $$B_d$$
    V. Sample III dried and weighed: $$C_d$$
    (Assume that soil moisture has no effect on the results)

    ...view full instructions

    Amount of $$CO_2$$ present in air inside the container.

  • Question 5
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    The main reason why antibiotics could not solve all the problems of bacteria mediated diseases is

  • Question 6
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    The most common trait that was improved in commercialized crops was

  • Question 7
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    The recently discovered antibiotic Griseofulvin is produced by

  • Question 8
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    Streptomycin is obtained from

  • Question 9
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    During biogas production, acetic acid is transformed into the final product by the enzymes of

  • Question 10
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    Argol, a brown crust, formed during the fermentation of grape juice contains

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