Q: An antibiotic is not useful against a virus whereas a vaccine is. Which one of the following is the most appropriate reason for this?
(a)An antibiotic can break RNA only, whereas virus has DNA.
(b)An antibiotic is a carbohydrate in its chemical nature, whereas a vaccine is a protein which works well to kill a virus.
(c)Only a vaccine can break the genetic material of a virus.
(d)A virus does not use biochemical pathways which can be blocked by an antibiotic. But a vaccine can boost an immune system to fight the virus.
Correct Answer: (d)
The correct answer is (d) 'विषाणु किसी जटिल रासायनिक पथ का उपयोग नहीं करता है, जो किसी प्रतिजन द्वारा अवरुद्ध हो सके; किन्तु टीके से विषाणु से लड़ने के लिए रोग-प्रतिरक्षा तंत्र की क्षमता बढ़ सकती है।'. This question from the General Studies domain tests knowledge of Miscellaneous.