Question Detail Among the biotic components of the ecosystem, the producer system is ? SeaRiversGreen PlantsAnimals Answer: Option C Similar Questions : 1. Oxygen in our blood is transported by ? KeratinCollagenMyoglobinHaemoglobin Answer: Option D 2. Plants receive their nutrients mainly from ? atmospherechlorophyll light soil Answer: Option D 3. Which of the following tests helps in diagnosis of cancer ? Urine testNeuro TestBlood testBiopsy test Answer: Option D 4. The disease caused by deficiency of protein in children is called PellagraMarasmusBeri-BeriRickets Answer: Option B 5. Which part of the human body coordinates the functions of various organs ? KidneysBrainLiverHeart Answer: Option B Read more from - Biology Questions Answers