Introduction to Ecology LEVEL 3 MCQs Organisms and Populations Biology - XII NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Biosphere is:

1.	A component in the ecosystem
2.	Composed of the plants present in the soil
3.	Life in the outer space
4.	Composed of all living organisms present on earth which interact with the physical environment

Subtopic: Introduction to Ecology | Organisms and its Environment |

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