PPSC Personal Staff Officer (BS-17) S&GAD 2020, PPSC Solved Past Papers MCQs, Vitamins MCQsMuscular and nervous disorder are owing to lack of? Posted on April 8, 2021 by Rana TahirA. Vitamin A B. Vitamin C C. Vitamin D D. Vitamin EShare 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)