Question Detail RNA means Ribonucleus AlkalineRibonucleus AlumRibonucleic AcidRibonucleus Acid Answer: Option C Similar Questions : 1. Which blood group is known as Universal donor ? A+A-ABO Answer: Option D 2. White blood corpuscles are used by our body ? to carry oxygento dissolve protiensto combat infectionto help liver work Answer: Option C 3. Which one of the following is the sweetest natural sugar ? LactoseGlucoseSucroseFructose Answer: Option D 4. Who invented Polio Vaccine ? Harrison and SympsonJohan E. SalkLuvenhauk - LeeuwenhockKarl Landsteiner Answer: Option BExplanation:Harrison and Sympson invented chloroform, Luvenhauk - Leeuwenhock invented Bacteria, Karl Landsteiner invented Blood Transfer. 5. Plants absorb dissolved nitrates from soil and convert them into : Free nitrogenUreaProteinsAmmonia Answer: Option A Read more from - Biology Questions Answers