In this post, I am sharing the Class 12 Biology Chapter 25 Short Questions Notes PDF for the students of Intermediate Part 2. This chapter’s name is Ecosystem. Students can download the Class 12 Biology Chapter 25 Short Questions Notes PDF on their laptops or mobile. These Biology Notes are for all the boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Kahn Board, and Sahiwal Board. Here are the complete FSC 2nd Year Biology Notes PDF chapters.
FSC Part 2 Biology Chapter 25 Short Questions Notes – Ecosystem
Define ecosystem.
A biological community together with the associated abiotic environment is called ecosyste. The ecosystem is a major unit of ecology.
Define biogeochemical cycle.
The cyclic movement of nutrients from living to non-living portions of ecosystem is called biogeochemical cycles.
What are biogenic elements?
The chemical elements essential for life in living organisms are called biogenic elements or nutrient elements.
What are Macronutrients? Name these macronutrients.
These nutrients are required by organsm in large amount like water carbon, hydrogen, oxyge, nitrogen, phophorus, sulphur and calcium.,
What are micronutrients? Nmae these bioelements.
These nutrients are elements required by organisms in small quantity or in trace amount like zinc, molybdenum, iron, iodine.
How to Download 2nd year Biology Chapter 25 Short Questions Notes Ecosystem
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Relevant Notes
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