Question Detail Non-clotting of blood is caused by deficiency of ? Vitamin AVitamin CVitamin EVitamin K Answer: Option D Similar Questions : 1. Which part of the human body coordinates the functions of various organs ? KidneysBrainLiverHeart Answer: Option B 2. Plants absorb dissolved nitrates from soil and convert them into : Free nitrogenUreaProteinsAmmonia Answer: Option A 3. What is Anthology ? Study of flower and flowering plant.Study of blood vascular system.Study of male reproductive organ.Study of Bryophytes Answer: Option AExplanation:Study of blood vascular system - Angiology Study of male reproductive organ - Andrology Study of Bryophytes - Bryology 4. The deficiency of which of the following leads to dental caries ? IronFluorineCopperZinc Answer: Option B 5. What provides instant energy ? FatCarbohydratesProteinVitamin Answer: Option B Read more from - Biology Questions Answers