Question Detail Beri-Beri is caused by the lack of vitamin ? Vitamin B2Vitamin AVitamin CVitamin B1 Answer: Option D Similar Questions : 1. RNA means Ribonucleus AlkalineRibonucleus AlumRibonucleic AcidRibonucleus Acid Answer: Option C 2. How much plasma Human blood contains ? 60 %65%70%75% Answer: Option B 3. The quantity of human blood is what percent of total weight ? 5%6%7%8% Answer: Option C 4. Study of fossils is called PsychiatryPaleontologyPomologyPhycology Answer: Option BExplanation:Psychiatry - is treatment of mental diseases. Pomology - is study of fruits and fruits plants. Phycology - is study of algae. 5. Insulin controls the metabolism of ? FatsCarbohydratesProteinsSugars Answer: Option D Read more from - Biology Questions Answers