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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Biology - 12th Class Biology Chapter 25 Short Questions Preparation

Question # 1

Define foliose lichens with one example. OR What is foliose lichen stage?Give an example.

  • Ans 1: In this stage the lichens are just crumpled leaves attached at one point.It produces shade to the crustose lichens as a result of which their growth is reduced.Examples are Dermatocarpon,Permellia.
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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

Define foliose lichens with one example. OR What is foliose lichen stage?Give an example.

  • Ans 1: In this stage the lichens are just crumpled leaves attached at one point.It produces shade to the crustose lichens as a result of which their growth is reduced.Examples are Dermatocarpon,Permellia.
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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

Give the role of decomposers in an ecosystem.

  • Ans 1: Decomposers are the organisms which decompose the dead bodies are called decomposers;they recycle the nutrients and make them available for plant growth.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

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

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