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

  • Total Questions10

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Biology - 12th Class Biology Chapter 25 Short Questions Preparation

Question # 1

Differentiate between ectoparasites and endoparasites.

  • Ans 1: Ectoparasite: Parasite which lives on outer surface of the body is called ectoparasite like lice,ticks and mites.
  • Ans 2: Endoparasites: Parasites which live inside the body of its host is called endoparasite like liver fluke.
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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 ectoparasites and endoparasites.

  • Ans 1: Ectoparasite: Parasite which lives on outer surface of the body is called ectoparasite like lice,ticks and mites.
  • Ans 2: 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 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

Define xerosere. Give flow chart of its stages.

  • Ans 1: Process of succession on bare rock is called xerosere.
  • Ans 2: Crustose lichens>Foliose lichens>moss stage>herbaceous stage>shrub stage>tree climax community.
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12th Class Biology Chapter 25 Short Questions Preparation - Set 4

Question # 1

Write few lines on crustose lichens.

  • Ans 1: Crustose refers to land lifeless structure,any external protective layer surface on the rock,special types of lichens get impregnated in the form of crust.They live in extreme conditions,sometimes their surface is wet due to rain and dew drops.They absord water during the dry season.They are quiescent or dormant,Normally desiccated during dry season.
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12th Class Biology Chapter 25 Short Questions

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