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 "

Try The Short Questions For 12th Class Biology Chapter 25 Short Questions Preparation

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Biology - 12th Class Biology Chapter 25 Short Questions Preparation

Question # 1

Define mutualism. Give example.

  • Ans 1: It is an association in which both members and partners get benefit from each other is called mutualism. For Example: Mycorrhiza. It is an symbiotic association between the roots of higher plants and hyphae of the fungi is called mycorrhiza. Fungus provides nutrient to the plant and in turn itself get carbohydrates from the plant
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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 mutualism. Give example.

  • Ans 1: It is an association in which both members and partners get benefit from each other is called mutualism. For Example: Mycorrhiza. It is an symbiotic association between the roots of higher plants and hyphae of the fungi is called mycorrhiza. Fungus provides nutrient to the plant and in turn itself get carbohydrates from the plant
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12th Class Biology Chapter 25 Short Questions Preparation - Set 2

Question # 1

Define grazing.

  • Ans 1: Many animals like rabbits,goats,sheeps,cows,buffaloes and horses feed on grasses.This mode of feeding is called grazing and these animals are called grazers.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 3

Question # 1

Differentiate between secondary and primary succession.

  • Ans 1: Primary succession: Primary succession is the process of succession which starts on a bare rock or dry place where no life exists earlier is called primary succession.
  • Ans 2: Secondary succession: Secondary succession is the process which starts on a place where life exists but sue to some reasons it is destroyed is called secondary succession.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Question # 1

Define food chain and food web only.

  • Ans 1: Process of eating and being eaten is called food chain.
  • Ans 2: Food web is combination of many food chains.
    for example;Grass-Cow-Man
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12th Class Biology Chapter 25 Short Questions

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