PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. You are aware of Polio Eradication Programme in your city. Children are vaccinated because
2 Making anti-viral drugs is more difficult than making anti-bacterial medicines because

i. Viruses make use of host machinery
ii. Viruses are on the border line of living and non-living
iii. Viruses have very few biochemical mechanisms of their own
iv. Viruses have a protein coat
Choose the correct option among the following: