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. The average biomass conservation efficiency of an organism is:A. 10%B. 1%C. 0.1%D. 90%Question 1 of 15 Loading... Question 2 of 15 2. Dandruff in hair is caused by:A. FungiB. CyanobacteriaC. AlgaeD. BacteriaQuestion 2 of 15 Loading... Question 3 of 15 3. In each case succession is initiated by a few hardy invader calledA. HydrosereB. PioneersC. Primary successionD. XerosereQuestion 3 of 15 Loading... Question 4 of 15 4. The fungal partner in lichen isA. Root nodulesB. Roots of vascular plantsC. Aerobic bacteriaD. AlgaeQuestion 4 of 15 Loading... Question 5 of 15 5. Herbivors areA. Tertiary consumersB. None of theseC. Primary consumersD. Secondary consumersQuestion 5 of 15 Loading... Question 6 of 15 6. Which of the following can feed on all trophic levels?A. All of theseB. FungiC. CarnivoresD. AlgaeQuestion 6 of 15 Loading... Question 7 of 15 7. The study of relationship of different communities to their environment is calledA. Community ecologyB. AutecologyC. Both a and bD. SynecologyQuestion 7 of 15 Loading... Question 8 of 15 8. Diseases in living organism, which are caused by parasites are calledA. Both a and bB. InflammationC. InfestationD. AllergensQuestion 8 of 15 Loading... Question 9 of 15 9. Which of the following can reduce the diversity of species?A. All of theseB. PredatorsC. ParasitesD. Over grazingQuestion 9 of 15 Loading... Question 10 of 15 10. Denitrifying bacteria areA. MicroacerophilicB. AnaerobicC. AerobicD. Both a and bQuestion 10 of 15 Loading... Question 11 of 15 11. The association in which only one organism gets benefits from the association is:A. PrasitismB. PredationC. All a, b and cD. CommensalismQuestion 11 of 15 Loading... Question 12 of 15 12. Competition among species will be greatest if they attempt to occupy the same.A. NicheB. CommunityC. HabitatD. EcosystemQuestion 12 of 15 Loading... Question 13 of 15 13. Which is correct food chain?A. Owls → Shrew → Insect → GrassB. Grass → Shrew → Mole → OwlC. Grass → Grazing insect → Shrews → OwlsD. Grass → Insect → Shrews → OwlQuestion 13 of 15 Loading... Question 14 of 15 14. Primary succession starting in a pond is calledA. None of theseB. HydrosereC. PioneersD. XerosereQuestion 14 of 15 Loading... Question 15 of 15 15. Incorrect statement about niche isA. First proposed by Joseph GrinnellB. Refers to only behavioral influence of speciesC. Job or profession of species in an ecosystemD. It also include physical factors of environmentQuestion 15 of 15 Loading... Loading... Related Study Posts:Mdcat Test Biology Test Online PreparationWho is Who Test Preparation Mcqs OnlineUrdu Test Preparation Online McqsFIA ASI Sub Inspectors Job 2022 OTS Test Preparation Mcqs…TESCO Jobs Online NTS Test Preparation McqsPPSC Lecturer Test Preparation Online McqsMDCAT Test Preparation Online Related Syllabus McqsIB Pakistan NTS Jobs 2022 Online Test Preparation McqsASF Jobs 2022 Written Test Preparation Online McqsFPSC Jobs 2022 Online Test Preparation Mcqs