Home Biology Ecosystem Test Mcqs Online Preparation Biology Ecosystem Test Mcqs Online Preparation Biology Ecosystem Test Mcqs With Answers Online Preparation Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. Similar group of individuals who can interbreed in nature and produce organism of their own kind forms:A. SpeciesB. SuccessionC. CommunityD. PopulationQuestion 1 of 15 Loading... Question 2 of 15 2. The average biomass conservation efficiency of an organism is:A. 0.1%B. 10%C. 90%D. 1%Question 2 of 15 Loading... Question 3 of 15 3. Three principle stages of nitrogen cycle areA. Nitrogen fixation, Nitrification, AssimilationB. Assimilation, Regeneration, PropagationC. Ammonification, Nitration, AssimilationD. Ammonification, nitrification, AssimilationQuestion 3 of 15 Loading... Question 4 of 15 4. How much energy is transferred from one tropic level to the next in food chain?A. 0.1%B. 1%C. 10%D. 100%Question 4 of 15 Loading... Question 5 of 15 5. An ecosystem without its abiotic factors is known as:A. SpeciesB. PopulationC. CommunityD. BiomeQuestion 5 of 15 Loading... Question 6 of 15 6. Which of the following in not recycled in ecosystem.A. WaterB. EnergyC. SulphurD. CarbonQuestion 6 of 15 Loading... Question 7 of 15 7. Which is correct food chain?A. Grass → Grazing insect → Shrews → OwlsB. Grass → Shrew → Mole → OwlC. Owls → Shrew → Insect → GrassD. Grass → Insect → Shrews → OwlQuestion 7 of 15 Loading... Question 8 of 15 8. In nitrogen cycle, bacteria that converts relatively toxic nitrite to nitrate is:A. NitrobacterB. NitrococcusC. Nitrifying bacteriaD. NitrosomonasQuestion 8 of 15 Loading... Question 9 of 15 9. In each case succession is initiated by a few hardy invader calledA. HydrosereB. XerosereC. PioneersD. Primary successionQuestion 9 of 15 Loading... Question 10 of 15 10. Incorrect statement about niche isA. It also include physical factors of environmentB. Refers to only behavioral influence of speciesC. Job or profession of species in an ecosystemD. First proposed by Joseph GrinnellQuestion 10 of 15 Loading... Question 11 of 15 11. Denitrifying bacteria areA. AerobicB. MicroacerophilicC. AnaerobicD. Both a and bQuestion 11 of 15 Loading... Question 12 of 15 12. Food web is made ofA. Producers and consumersB. Consumers and decomposersC. All a, b and cD. Producers and decomposersQuestion 12 of 15 Loading... Question 13 of 15 13. Communities and their physical environment is calledA. EcosystemB. BiomeC. NicheD. EcologyQuestion 13 of 15 Loading... Question 14 of 15 14. Climax communities haveA. Simple structure and few speciesB. Simple structure and diverse speciesC. Complex structure and few speciesD. Complex structure and diverse speciesQuestion 14 of 15 Loading... Question 15 of 15 15. Competition among the members of the same species is:A. None of theseB. Both a and bC. IntraspecificD. Inter specificQuestion 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Biology Test Online PreparationASF Written Test Preparation Online McqsOnline ECAT Test Preparation McqsFPSC SST Test Preparation Mcqs OnlinePPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineTESCO Jobs Online NTS Test Preparation McqsFIA ASI Sub Inspectors Job 2024 OTS Test Preparation…SPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject Wise