Fsc Part 2 Online Preparation for Biology Chapter No 25 (Ecosystem)

Online Short Questions For Chapter 11 "12th Class Biology Chapter 25 Short Questions Preparation "

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  • Total Questions10

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Biology - 12th Class Biology Chapter 25 Short Questions Preparation

Question # 1

How moderate grazing is helpful for ecosystem.

  • Ans 1: Moderate grazing is very helpful to maintain grass land ecosystem.It destroys the competitors and help the grasses to grow well.Over grazing may leads to desert.
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Prepare Complete Set Wise Questions For Chapter 11 "12th Class Biology Chapter 25 Short Questions Preparation "

12th Class Biology Chapter 25 Short Questions Preparation - Set 1

Question # 1

How moderate grazing is helpful for ecosystem.

  • Ans 1: Moderate grazing is very helpful to maintain grass land ecosystem.It destroys the competitors and help the grasses to grow well.Over grazing may leads to desert.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 2

Question # 1

Differentiate between pioneer and climax community.

  • Ans 1: Pioneer: The first plant which colonizes on a bare land that starts the process of succession are called pioneers.
  • Ans 2: Climax Community: The stable complex community which is formed as a result of succession is called climax community.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 3

Question # 1

Differentiate between pioneer and climax community.

  • Ans 1: Pioneer: The first plant which colonizes on a bare land that starts the process of succession are called pioneers.
  • Ans 2: Climax Community: The stable complex community which is formed as a result of succession is called climax community.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Question # 1

How does over grazing affect a grass land ecosystem?

  • Ans 1: Due to ever grazing the productivity of the grass land is affected.If too much animals graze then grass will hardly regrow.Secondly the hooves of the grazing animals will trample the soil in to hard layer as a result of which rain water will not penetrate this soil.The final result of over grazing is barren land.
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25th Chapter

12th Class Biology Chapter 25 Short Questions

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