PPSC Assistant (BS-16) Labour And Human Resource – 2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsEugenics is the science of improving ____ species by breeding out disease and disabilities? Posted on March 31, 2021 by Rana TahirA. Animal B. Humans C. Plants D. SeaShare 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)