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Evolution is not a direct process, but a...

Evolution is not a direct process, but a stochastic process, based on chance events in nature. Justify.

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Answer the question: Name the process which is based upon the differences in gravities of ores.

The process of concentrating silver are is based on its solubility in :

Knowledge Check

  • Froth floatation process is based on :

    A
    Wetting properties of ore particles
    B
    Specific gravity of ore particles
    C
    Magnetic properties of ore particles
    D
    Electical properties of ore particles

  • Froth floatation process is based on :

    A
    Wetting properties of ore particles
    B
    Specific gravity of ore particles
    C
    Magnetic properties of ore particles
    D
    Electical properties of ore particles

  • The process of concentrating silver are is based on its solubility in :

    A
    HCL
    B
    `HNO_3`
    C
    KCN
    D
    NaoH

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    All natural processes are _____ process.

    Read the following statements and select the correct ones. (i) Vaccine is a preparation (or suspension ) of a dead/attenuated pathogen of a disease which on inoculation ( or injection ) into a healthy person, provides temporary/permanent active immunity by inducing antibodies formation. (ii) Immunisation is the process by which the body produces antibodies against the vaccine preventable diseases through administration of specific vaccines. (iii) The principle of immunisation or vaccination is based on the property of 'memory' of the immune system. iv) If a person is infected with some deadly microbes to which quick immune response is required; in that case, we need to directly inject the performed antibodies or antitoxins e.g., in case of tetanus.

    The process of froth floatation and chromatography are based on :

    The process of froth floatation and chromatography are based on :

    The process of forth floatation and chromatography are based on :

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