The deficiency of vitamin D and calcium ions in the diet of a human causes? by Sunday | May 16 | Biology WAEC | 0 comments A. anaemia B. night-blindness C. kwashiokor D. rickets Correct Answer: Option D D. rickets Users Also Read These:Vitamin K deficiency in farm animals causes?Ruminants do not normally show deficiency symptoms…A sample of hard water contains some calcium…The deficiency of calcium in a plant may result in?The anti-sterility vitamin in livestock nutrition is…