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Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.
- a)Both assertion and reason are incorrect
- b)Both assertion and reason are correct.
- c)Assertion is not explained by reason
- d)Assertion is correct but reason is incorrect.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Assertion: Bacillus thuringiensis forms protein crystals during partic...
Bacillus thuringiensis bacterium forms protein crystals during particular phase of growth. The crystal of toxic protein has insecticidal protein. This protein get activated in alkaline medium in the gut of insects and kills them.
Most Upvoted Answer
Assertion: Bacillus thuringiensis forms protein crystals during partic...
Assertion and Reason in Bacillus thuringiensis
Explanation:
What is Bacillus thuringiensis?
Bacillus thuringiensis is a Gram-positive, soil-dwelling bacterium that produces a crystal protein during a particular phase of its growth cycle. This crystal protein is toxic to certain insects and is used as an insecticide in agriculture and forestry.
Assertion: Bacillus thuringiensis forms protein crystals during a particular phase of growth.
This assertion is correct as Bacillus thuringiensis produces protein crystals during the sporulation phase of its growth cycle.
Reason: These crystals contain a toxic insecticidal protein that kills certain insects.
This reason is also correct as the protein crystals produced by Bacillus thuringiensis contain a toxic insecticidal protein that is specific to certain insects. This protein is known as the Bacillus thuringiensis toxin or Bt toxin.
Conclusion:
Both the assertion and reason are correct, and the reason explains the assertion. Bacillus thuringiensis produces protein crystals during a particular phase of its growth cycle, and these crystals contain a toxic insecticidal protein that kills specific insects.
Explanation:
What is Bacillus thuringiensis?
Bacillus thuringiensis is a Gram-positive, soil-dwelling bacterium that produces a crystal protein during a particular phase of its growth cycle. This crystal protein is toxic to certain insects and is used as an insecticide in agriculture and forestry.
Assertion: Bacillus thuringiensis forms protein crystals during a particular phase of growth.
This assertion is correct as Bacillus thuringiensis produces protein crystals during the sporulation phase of its growth cycle.
Reason: These crystals contain a toxic insecticidal protein that kills certain insects.
This reason is also correct as the protein crystals produced by Bacillus thuringiensis contain a toxic insecticidal protein that is specific to certain insects. This protein is known as the Bacillus thuringiensis toxin or Bt toxin.
Conclusion:
Both the assertion and reason are correct, and the reason explains the assertion. Bacillus thuringiensis produces protein crystals during a particular phase of its growth cycle, and these crystals contain a toxic insecticidal protein that kills specific insects.
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Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.a)Both assertion and reason are incorrectb)Both assertion and reason are correct.c)Assertion is not explained by reasond)Assertion is correct but reason is incorrect.Correct answer is option 'B'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.a)Both assertion and reason are incorrectb)Both assertion and reason are correct.c)Assertion is not explained by reasond)Assertion is correct but reason is incorrect.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.a)Both assertion and reason are incorrectb)Both assertion and reason are correct.c)Assertion is not explained by reasond)Assertion is correct but reason is incorrect.Correct answer is option 'B'. Can you explain this answer?.
Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.a)Both assertion and reason are incorrectb)Both assertion and reason are correct.c)Assertion is not explained by reasond)Assertion is correct but reason is incorrect.Correct answer is option 'B'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.a)Both assertion and reason are incorrectb)Both assertion and reason are correct.c)Assertion is not explained by reasond)Assertion is correct but reason is incorrect.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.a)Both assertion and reason are incorrectb)Both assertion and reason are correct.c)Assertion is not explained by reasond)Assertion is correct but reason is incorrect.Correct answer is option 'B'. Can you explain this answer?.
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