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

What are biogeochemical cycles?Give an example.

  • Ans 1: Circular movement or recycling of the elements between the organism and the environment is called biogeochemical cycle.
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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

What are biogeochemical cycles?Give an example.

  • Ans 1: Circular movement or recycling of the elements between the organism and the environment is called biogeochemical cycle.
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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

What is parasitism?Give its kind.

  • Ans 1: Process in which a parasite lives in living organisms and cause some harm to its host is called parasitism or relationship between host and parasite is called parasitism.
  • Ans 2: Kinds of parasites: Ectoparasite: parasite which lives on outer surface of the body is called ectoparasite like lice,ticks and mites.
    Endoparasites: Parasites which live inside the body of its host is called endoparasite like liver fluke.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Question # 1

What is biosphere?

  • Ans 1: The living part of the earth is called biosphere.Or it is a thin layer of earth in which all living organism live.
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25th Chapter

12th Class Biology Chapter 25 Short Questions

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