Assertion :Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with roots of all cereal and pulse crops. Reason: A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which bacterium is associated.

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

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

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If Assertion is correct but Reason is incorrect

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If Assertion is incorrect but Reason is correct

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Solution

The correct option is D If Assertion is incorrect but Reason is correct
Agrobacterium tumefaciens is popular in genetic engineering because the bacterium is associated with all kinds of plants in the stem and causes crown gall. The gene incorporated in the bacterial chromosome is transferred to the crop with which the bacteria is associated by help of Ti plasmid.
So the correct answer is "If assertion is incorrect and reason is correct".

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Similar questions

Q. Regarding assertion and reason, select the correct option
Assertion: Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse crops.
Reason: A gene incorporated in the bacterial chromosomal gene gets automatically transferred to the crop with which the bacterium is associated.

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion: All the points (1, 0), (-1, 0), (2, 0) and (5, 0) lie on the x – axis.
Reason: Equation of the x-axis is y = 0

Choose the correct option.

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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