Question Detail The richest source of vitamin D is CheeseMilkSpinachCod liver oil Answer: Option D Similar Questions : 1. Which among the following blood protein regulates the amount of water in plasma ? FibrinGlobulinFibulinAlbumin Answer: Option D 2. Quinine is extracted from the bark of : NeemCedarEucalyptusCinchona Answer: Option D 3. Which of the following gases readily combines with the haemoglobin of the blood? Carbon monoxideMetheneOxygenNitrogen dioxide Answer: Option A 4. Pyorrhoea is a disease of the nosegumsheartlungs Answer: Option B 5. Which among the following kinds of lenses are used to treat Astigmatism ? Concave LensConvex LensBifocal LensCylindrical Answer: Option D Read more from - Biology Questions Answers