Question Detail Which blood group is known as Universal donor ? A+A-ABO Answer: Option D Similar Questions : 1. RNA means Ribonucleus AlkalineRibonucleus AlumRibonucleic AcidRibonucleus Acid Answer: Option C 2. Plants that grow in saline water are known as : hydrophytesthallophyteshalophytes mesophytes Answer: Option C 3. Which blood group is known as Universal donor ? A+A-ABO Answer: Option D 4. What is Pollination ? germination of pollen grainsgrowth of pollen tube in ovuletransfer of pollen from anther to stigmavisiting flowers by insects Answer: Option C 5. Wisdom teeth are ? last premolarslast molarscaninesincisors Answer: Option B Read more from - Biology Questions Answers