Question Detail Diabetes is caused by lack of ? SugarCalciumVitaminInsulin Answer: Option D Similar Questions : 1. Who invented Vitamin ? F.G. HopkinsMc. CollumHolstRonald Ross Answer: Option AExplanation:Mc. Collum invented Vitamin A, Vitamin B and Vitamin D Holst invented Vitamin C Ronald Ross invented Malaria parasite and treatment. 2. Which is not a part of blood ? RBCWBCPlasmaPlacenta Answer: Option D 3. Which one of the following air pollution can affect blood stream leading to death ? CadmiumAsbestos dustCarbon monodioxideLead Answer: Option C 4. Which one of the following disease is not transmitted by tiger mosquitoes ? DengueChikungunyaJapanese EncephalitisYellow fever Answer: Option C 5. Study of cell is : BiometricsBacteriologyCryobiologyCytology Answer: Option DExplanation:Biometrics - Study of Biological problems Bacteriology - Study of Bacteria Cryobiology - Study of effect of low temperature on organisms. Read more from - Biology Questions Answers