PMS 2019 Ministerial Quota, Everyday Science MCQs, PPSC Solved Past Papers MCQsHow many pairs of Ribs in human body? Posted on April 13, 2021 by Rana TahirA. 9 B. 10 C. 11 D. 12Share 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)