PPSC Assistant (BS-16)-(PESS) Labour And Human Resource – 2020, English MCQs, PPSC Solved Past Papers MCQsInterferon is? Posted on April 1, 2021 by Rana TahirA. Carbohydrate B. Lipid C. Enzyme D. ProteinShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)