हिंदी

Assertion (A): Dragon flies can be used to decrease occurrence of diseases like malaria, dengue, etc. Reason (R): Baculoviruses are effective in controlling many insects and other arthropods.

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प्रश्न

Assertion (A): Dragon flies can be used to decrease occurrence of diseases like malaria, dengue, etc.

Reason (R): Baculoviruses are effective in controlling many insects and other arthropods.

विकल्प

  • Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

  • Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

  • Assertion (A) is true but reason (R) is false.

  • Both assertion (A) and reason (R) are false.

MCQ
अभिकथन और तर्क
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उत्तर

Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

Explanation:

Dragonflies prey on mosquitoes, which can help reduce the spread of mosquito-borne diseases. The statement about baculoviruses is also true, but it does not explain the role of dragonflies.

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अध्याय 14: Microbes in Human Welfare - EXERCISES [पृष्ठ ७५७]

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सरिता अग्रवाल Biology [English] Class 12 ISC
अध्याय 14 Microbes in Human Welfare
EXERCISES | Q VI. 8. | पृष्ठ ७५७
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