Question Detail Human blood is a viscous fluid due to Platelets in plasmaProteins in bloodRBC and WBC in bloodSodium in serum Answer: Option B Similar Questions : 1. Which among the following lens is used to treat Presbyopia ? Convex LensConcave LensBifocal LensCylindrical Lens Answer: Option C 2. Milk is poor source of CalciumIronCopperSodium Answer: Option B 3. Which part of eye becomes inflamed and pink when dust gets into it ? ChoroidsCorneaScleroticConjunctiva Answer: Option D 4. What provides instant energy ? FatCarbohydratesProteinVitamin Answer: Option B 5. Oxygen in our blood is transported by ? KeratinCollagenMyoglobinHaemoglobin Answer: Option D Read more from - Biology Questions Answers