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Assertion: The production of the protein toxin thurioside by the bacterium Bacillus thuringiensis exhibits efficacy against various insect groups.
Reason: The mechanism of action involves the conversion of the toxin into an active form upon ingestion by susceptible insects, resulting in their demise through the inhibition of ion transport in the midgut.
Both Assertion & Reason are True &the Reason is a correct explanation of the Assertion.
Both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
Assertion is True but the Reason is False.
Both Assertion & Reason are false.
Answers (1)
The assertion states that the production of the protein toxin thurioside by Bacillus thuringiensis is effective against various insect groups. This is true as Bacillus thuringiensis is known for its insecticidal properties, and the production of toxins such as thurioside contributes to its efficacy against different insect pests.
The reason explains the mechanism of action behind this efficacy. It states that the toxin is converted into an active form upon ingestion by susceptible insects. This conversion leads to the inhibition of ion transport in the midgut, ultimately resulting in the demise of the insects. This explanation is also correct as the active form of the toxin interferes with ion transport, disrupting the normal functioning of the midgut and leading to insect mortality.
Therefore, both the assertion and the reason are true, and the reason provides a correct explanation for the assertion.
Hence, the correct answer is option 1.
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