Explain the use of biotechnology in various fields.

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(N/A) For centuries,biotechnology has been a source of curiosity and a revolutionary science.
It primarily involves the use of genetically modified microbes,fungi,plants,and animals for the industrial-scale production of bio-pharmaceuticals and biologicals.
The applications of biotechnology include therapeutics,diagnostics,genetically modified crops for agriculture,processed food,bioremediation,waste treatment,and energy production.
Three critical research areas of biotechnology are:
$(i)$ Providing the best catalyst in the form of an improved organism,usually a microbe or a pure enzyme.
$(ii)$ Creating optimal conditions through engineering for a catalyst to act.
$(iii)$ Downstream processing technologies to purify the protein or organic compound.

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Genetic engineering is associated with:

Read the following four statements and identify the two incorrect statements:
$(1)$ The first transgenic buffalo,Rosie,produced milk enriched with human alpha-lactalbumin.
$(2)$ $DNA$ is isolated from large molecules using restriction enzymes.
$(3)$ Downstream processing is a stage of $r$-$DNA$ technology.
$(4)$ Disarmed pathogen vectors are also used to transfer $r$-$DNA$ into the host.

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List-$I$List-$II$
$a$. Gene gun$i$. Replacement of a faulty gene by a normal healthy gene
$b$. Gene therapy$ii$. Used for transfer of gene
$c$. Gene cloning$iii$. Total $DNA$ in the cells of an organism
$d$. Genome$iv$. To obtain identical copies of a particular $DNA$ molecule

Choose the correct answer from the options given below:

The transfer of the streptomycin resistance gene from $Nicotiana$ $tabacum$ to $Nicotiana$ $sylvestris$ was achieved through which method?

Select the correct match for $X$ and $Y$:
Column $X$Column $Y$
$(1)$ Orchid$(P)$ Undifferentiated mass of cells
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