In this post, I am sharing the Class 12 Biology Chapter 26 Short Questions Notes PDF for the students of Intermediate Part 2. This chapter’s name is Some Major Ecosystems. Students can download the Class 12 Biology Chapter 26 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 26 Short Questions Notes – Some Major Ecosystem
How is ecolofical balance disturbed in a eutrophic lake?
Most of the trophic levels in the fish eliminate. Thus only bacteria and blue, green, alga, dominate the community.
Differentiate between weather and climate.
Short-term fluctuations in temperature, humidity, cloud cover, wind and precipitation over periods of hours or days is called weather. The overall patterns of weather in a year in a particular region is called climate.
How can prouductivity of an ecosystem be measured?
The productivity can be indicated by consumption of CO2 and release of oxygen in the process of photosynthesis. The productivity of aquatic ecosystem is basically determined by the light and nutrients.
Give role of water in lithospheric ecosystem.
The soil provides abundant nutrients. However water is present in limited amount and is very unevenly distributed both in place and in time.
Give impact of temperature on terriestrial ecosystem.
Favourable temperature is very unevenly distributed on land in place and time. The average temperature is below freezing on poles while in temperature zones, it become favourable only dueing certain season of the year.
How to Download 2nd year Biology Chapter 26 Short Questions Notes Some Major Ecosystem
These 2nd Year Biology Notes you can read online or download them. By clicking the above read button now you can download 12th Class Biology Chapter 26 Notes very easily on your mobile phone and laptop. Please don’t forget to subscribe to our YouTube channel ilmihub.
Relevant Notes
- 12th Class Biology Chapter 25 MCQs Notes
- 12th Class Biology Chapter 25 Notes
- 12th Class Biology Chapter 25 Short Questions Notes
