Question Detail Placenta is the structure formed : by fusion of germ layersby foetus onlyby the union of foetal and uterine tissueby uterine only Answer: Option C Similar Questions : 1. Myopia is connected with ? earslungs eyesNone of these Answer: Option C 2. 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 3. The acidic medium of gastric juice along with an enzyme Pepsin breaks the proteins down into smaller parts known as ? PeptidesPeptonesPeptoseAmino Acids Answer: Option B 4. Phloem tissue is found in ? PlantsInsectsMammalsAll of above Answer: Option A 5. Fungi are always ? hetrotrophicsaprophyticautotrophicparasitic Answer: Option A Read more from - Biology Questions Answers