Assertion : Insect resistant transgenic cotton has been produced by inserting Bt gene. Reason : Bt g

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10.Biotechnology and its Application

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Assertion : Insect resistant transgenic cotton has been produced by inserting $Bt$ gene.

Reason : The $Bt$ gene is derived from a bacterium.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If both the Assertion and Reason are incorrect.

(AIIMS-2010)

Solution

$Bt-$ cotton is a transgenic crop. Transgenic plants are those plants, which have foreign gene incorporated in their $DNA$. This insect resistant gene is derived from a bacterium, Bacillus thuringiensis.

Standard 12

Biology

Compare and contrast the advantages and disadvantages of production of genetically modified crops.

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Crystals of $Bt$ toxin produced by some bacteria do not kill the bacteria themselves because

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$A$……… infects the roots of tobacco plants which reduce the production of tobacco.

hard

What are Cry proteins? Name an organism that produces it. How has man exploited this protein to his benefit?

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Select the incorrect statement w.r.t. Green Revolution.

medium

Assertion : Insect resistant transgenic cotton has been produced by inserting $Bt$ gene. Reason : The $Bt$ gene is derived from a bacterium.

Solution

Similar Questions

Compare and contrast the advantages and disadvantages of production of genetically modified crops.

Crystals of $Bt$ toxin produced by some bacteria do not kill the bacteria themselves because

$A$……… infects the roots of tobacco plants which reduce the production of tobacco.

What are Cry proteins? Name an organism that produces it. How has man exploited this protein to his benefit?

Select the incorrect statement w.r.t. Green Revolution.

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Assertion : Insect resistant transgenic cotton has been produced by inserting $Bt$ gene.

Reason : The $Bt$ gene is derived from a bacterium.