PPSC Past Paper Assistant Director Planning & Development Department-2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsBeri-Beri is a deficiency disease caused by an unbalanced diet low in? Posted on April 21, 2021 by Rana TahirA. Protein B. Carbohydrates C. Vitamin B D. Vitamin A & BShare 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)