Punjab 12th Class Biology Chapter 25 Ecosystem MCQs Test Online Punjab 12th Class Biology Chapter 25 Ecosystem MCQs Test Online 123456789101112Show paginator Hide paginator Question 1 of 12Biology 1. A thin layer of earth in which all living organisms exists is called:1.Xerosere2.Ecosystem3.Habitat4.Biosphere Question 1 of 12Question 2 of 12 2. Study of relationship of different communities to environment is called:1.Autecology2.Zoology3.Embryology 4.SynecologyQuestion 2 of 12Question 3 of 12 3. The basic functional unit of ecosystem is:1.Ecosystem2.Community3.Population4.SpeciesQuestion 3 of 12Question 4 of 12 4. Study of single population's relationship to environment is called:1.Ecology2.Synecology3.Gerontology4.AutecologyQuestion 4 of 12Question 5 of 12 5. The abiotic component of an ecosystem is:1.Producer2.Decomposers3.Temperature4.ConsumerQuestion 5 of 12Question 6 of 12 6. Lithosphere includes:1.Air2.Gases3.Water4.Earth SoilQuestion 6 of 12Question 7 of 12 7. The basic functional unit of ecology is:1.Community2.Population3.Niche4.EcosystemQuestion 7 of 12Question 8 of 12 8. Biome is a:1. Simple community2.Climax community3.Complex community4.Regional community Question 8 of 12Question 9 of 12 9. The whole of the world's land is called:1.Lithosphere2.Ecosphere3.Hygrosphere4.BiosphereQuestion 9 of 12Question 10 of 12 10. Populations of different species (plants and animals) living in the same habitat form a:1.Microhabitat2.Community3.Ecosystem4.BiosphereQuestion 10 of 12Question 11 of 12 11. A localized group of species belonging to the same species is called as (Any group of interbreeding organisms of same species that exist together in both time and space is called):1.Biosphere2.Ecosystem3.Community4.PopulationQuestion 11 of 12Question 12 of 12 12. A group of inter-breeding individuals occurring together in a space and time is called:1.Community2.Niche3.Species4.Population Question 12 of 12 Loading... Test By Subject Punjab Test By Topics 12th Class Biology You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.