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Cultivation of Bt cotton has been much in the news. The prefix Bt means ______.

produced by biotechnology using restriction enzymes and ligases
bigger thread variety of cotton with better tensile strength
barium-treated cotton seeds
carrying an endotoxin gene from Bacillus thuringiensis
Additional Questions

Stirred-tank bioreactors have been designed for

Answer

Emasculation is related to

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Which of the following terms is used to describe the component isolated from a plant, for in vitro culturing in the specific medium?

Answer

Nucleic acid segment tagged with a radioactive molecule is called

Answer

Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain?

Answer

The enzyme employed for amplification of DNA during PCR is commercially obtained from

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A regulatory body working under MoEF for the release of transgenic crops is

Answer

Cry1 endotoxins obtained from Bacillus Thuringiensis are effective against:

Answer

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as a vector/vectors

Statements

(A) A bacterium

(B) Plasmid

(C) Plasmodium

(D) Bacteriophage

Answer

Read the following four statements (A-D) about certain mistakes in two of them

(A) The first transgenic buffalo Rosie produced milk which was human alpha-lactalbumin enriched

(B) Restriction enzymes are used in isolation of DNA from other macro-molecules

(C) Downstream processing is one of the steps of R-DNA technology

(D) Disarmed pathogen vectors are also used in transfer of R-DNA into the host

Which are the two statements having mistakes?

Answer
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