Question Detail Which blood group is known as Universal donor ? A+A-ABO Answer: Option D Similar Questions : 1. Algae is UnicellularColonialFilamentousAll of above Answer: Option D 2. Rickets is caused by deficiency of ? Vitamin AVitamin CVitamin DVitamin E Answer: Option C 3. Quinine is extracted from the bark of : NeemCedarEucalyptusCinchona Answer: Option D 4. Pyorrhoea is a disease of the nosegumsheartlungs Answer: Option B 5. Herbicides are used to control ? FungiNematodesWeedsInsects Answer: Option C Read more from - Biology Questions Answers