Question Detail The richest source of vitamin D is CheeseMilkSpinachCod liver oil Answer: Option D Similar Questions : 1. Which is not a part of blood ? RBCWBCPlasmaPlacenta Answer: Option D 2. What is Pollination ? germination of pollen grainsgrowth of pollen tube in ovuletransfer of pollen from anther to stigmavisiting flowers by insects Answer: Option C 3. Which of has following group of gases contribute to the 'Green House Effect' ? Carbon tetrafluoride and Nitrous oxideCarbon monoxide and Sulphur dioxideAmmonia and OzoneCarbon dioxide and Methane Answer: Option D 4. Leukemia is a disease of the ? lungsbloodliverbrain Answer: Option B 5. Study of fossils is called PsychiatryPaleontologyPomologyPhycology Answer: Option BExplanation:Psychiatry - is treatment of mental diseases. Pomology - is study of fruits and fruits plants. Phycology - is study of algae. Read more from - Biology Questions Answers