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

Differentiate between mutualism and commensalism.

  • Ans 1: Mutualism: Mutualism is the symbiotic relationship in which both the partner get benefit from each other is called mutualism.
    For example: mycorrhiza and lichens.
  • Ans 2: Commensalism: Commensalism is the symbiotic relationship in which only one of the partner get benefit while other neither get benefit nor harmed is called mutualism for example epiphytes.
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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

Differentiate between mutualism and commensalism.

  • Ans 1: Mutualism: Mutualism is the symbiotic relationship in which both the partner get benefit from each other is called mutualism.
    For example: mycorrhiza and lichens.
  • Ans 2: Commensalism: Commensalism is the symbiotic relationship in which only one of the partner get benefit while other neither get benefit nor harmed is called mutualism for example epiphytes.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 2

Question # 1

Name three levels of integration in community.

  • Ans 1: Three levels of community integration are
  • Ans 2: i Individual level
    ii Population level
    iii Community level
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12th Class Biology Chapter 25 Short Questions Preparation - Set 3

Question # 1

Define humus.

  • Ans 1: Humus is the decomposed organic matter formed by decomposers after the decomposition of dead bodies.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Question # 1

What is climax forest?

  • Ans 1: It is the last stage of the xerosere succession.At this stage woody plants dominate and this stage in succession remains essentially the same if nothing changes in the environment to upset the balance.
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25th Chapter

12th Class Biology Chapter 25 Short Questions

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