Question Detail Rafflesia is the biggest flower of the world ? TRUEFALSE Answer: Option A Similar Questions : 1. Pigmentation of skin is due to : leucocytes lymphocytes monocytesmelanocytes Answer: Option D 2. Human blood is a viscous fluid due to Platelets in plasmaProteins in bloodRBC and WBC in bloodSodium in serum Answer: Option B 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. Influenza is caused by ? FungusBacteriaVirusAlgae Answer: Option C 5. The deficiency of which of the following leads to dental caries ? IronFluorineCopperZinc Answer: Option B Read more from - Biology Questions Answers