(D) Statement $1$ is incorrect because Rosie was the first transgenic cow,not a buffalo.Statement $2$ is incorrect because restriction enzymes are use

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(D) Statement $1$ is incorrect because Rosie was the first transgenic cow,not a buffalo.Statement $2$ is incorrect because restriction enzymes are used to cut $DNA$ at specific sites,not for the isolation of $DNA$ from other macromolecules (which is done by chemical treatment and centrifugation).Statement $3$ is correct as downstream processing is a vital step in $R-DNA$ technology.Statement $4$ is correct as disarmed pathogen vectors are commonly used to transfer $R-DNA$ into host cells.Therefore,statements $1$ and $2$ contain mistakes.

Class 12 Biology Biotechnology and its Application Mix Examples- Biotechnology and its Application

Medium

Read the following four statements $(1-4)$ and identify the two statements that contain mistakes:
$1.$ The first transgenic buffalo,Rosie,produced milk which was human alpha-lactalbumin enriched.
$2.$ Restriction enzymes are used in the isolation of $DNA$ from other macromolecules.
$3.$ Downstream processing is one of the steps of $R-DNA$ technology.
$4.$ Disarmed pathogen vectors are also used in the transfer of $R-DNA$ into the host.
Which are the two statements having mistakes?

AIIMS 2015 All AIIMS

A
Statement $2$ and $3$
B
Statement $3$ and $4$
C
Statement $1$ and $3$
D
Statement $1$ and $2$

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$(d)$ $PCR$ $(iv)$ $Bacillus$ $thuringiensis$

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Column-$I$ Column-$II$

$(1)$ Golden Rice $(a)$ Bud insects

$(2)$ Bt toxin $(b)$ Vitamin-$A$

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$(4)$ Bt tobacco $(d)$ Bio-source without permission and use of bioreactor

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Column-$I$	Column-$II$
$(A)$ Bacillus thuringiensis	$(I)$ Separation of $\text{DNA}$ fragments
$(B)$ Adenosine deaminase deficiency	$(II)$ Cellular defence
$(C)$ $\text{RNAi}$	$(III)$ Cry Proteins
$(D)$ Gel-Electrophoresis	$(IV)$ Gene Therapy

Column $X$	Column $Y$
$(1)$ Orchid	$(P)$ Undifferentiated mass of cells
$(2)$ Methylophilus methylotrophus	$(Q)$ Twice the amount of lysine and tryptophan
$(3)$ Callus	$(R)$ High rate of protein production
$(4)$ Hybrid maize	$(S)$ Embryo rescue

Similar Questions

Identify the mismatched pair.

Match Column-$I$ with Column-$II$ and select the correct option: Column-$I$ Column-$II$ $(a)$ $Bt$ Cotton $(i)$ Gene therapy $(b)$ Adenosine deaminase deficiency $(ii)$ Cellular defense $(c)$ $RNAi$ $(iii)$ Detecting $HIV$ infection $(d)$ $PCR$ $(iv)$ $Bacillus$ $thuringiensis$

Match the columns: Column-$I$ Column-$II$ $(1)$ Golden Rice $(a)$ Bud insects $(2)$ Bt toxin $(b)$ Vitamin-$A$ $(3)$ Biopiracy $(c)$ Cry-protein $(4)$ Bt tobacco $(d)$ Bio-source without permission and use of bioreactor

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Match Column-$I$ with Column-$II$ and select the correct option:

Column-$I$ Column-$II$

$(a)$ $Bt$ Cotton $(i)$ Gene therapy

$(b)$ Adenosine deaminase deficiency $(ii)$ Cellular defense

$(c)$ $RNAi$ $(iii)$ Detecting $HIV$ infection

$(d)$ $PCR$ $(iv)$ $Bacillus$ $thuringiensis$

Match the columns:

Column-$I$ Column-$II$

$(1)$ Golden Rice $(a)$ Bud insects

$(2)$ Bt toxin $(b)$ Vitamin-$A$

$(3)$ Biopiracy $(c)$ Cry-protein

$(4)$ Bt tobacco $(d)$ Bio-source without permission and use of bioreactor

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Orchid $(P)$ Undifferentiated mass of cells
$(2)$ Methylophilus methylotrophus $(Q)$ Twice the amount of lysine and tryptophan
$(3)$ Callus $(R)$ High rate of protein production
$(4)$ Hybrid maize $(S)$ Embryo rescue