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25th Chapter

12th Class Biology Chapter 25 Test

Here you can prepare 12th Class Biology Chapter 25 Ecosystem Test. Click the button for 100% free full practice test.

Second Year Biology Chapter 25 Online MCQ Test for 2nd Year Biology Chapter 25 Ecosystem Preparation

This online test contains MCQs about following topics:.

- Introduction - Ecosystem - Succession - Biogeochemical Cycles

FSC Part 2 Biology Ch 25 Test
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Second Year Biology Chapter 25 Online MCQ Test for 2nd Year Biology Chapter 25 Ecosystem Preparation

Sr. # Questions Answers Choice
1 Mutualism is a type of.
  • A. Symbiosis
  • B. Parasitism
  • C. Predication
  • D. Commensalism
2 Grasslands present in temperate climates are also called
  • A. Prairies
  • B. Pampas
  • C. plain
  • D. Lowland
3 The leaves with very small surface area, are found in.
  • A. Hydrophytes
  • B. Xerophytes
  • C. Sciophytes
  • D. Mesophytes
4 the basic functional unit of ecology is
  • A. Niche
  • B. Ecosystem
  • C. Community
  • D. Population
5 Tundra ecosystem is located on Mountains
  • A. Kara-koram
  • B. Hindukush
  • C. Salman
  • D. Both a & b
6 The total energy of the sun, trapped by the producer in an ecosystem is about.
  • A. 20%
  • B. 01%
  • C. 10%
  • D. 30%
7 Lithosphere includes.
  • A. Air
  • B. Water
  • C. Gases
  • D. Earth soil
8 Symbiotic association of analgaliving within fungus mycelium is known as.
  • A. Mycorrhiza
  • B. Lichen
  • C. Root Nodules
  • D. Parasitism
9 In each case succession is initiated by a few hardy invaders called.
  • A. Starters
  • B. Pioneers
  • C. Decomposers
  • D. Climax community
10 An association between organisms of different species in which one partner gets benefit and other is harmed.
  • A. Mutualism
  • B. Symbiosis
  • C. Parasitism
  • D. Commensalsim

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  • Asad Kalroo

    11 Mar 2024

    Thanks sir

    Like (1)
    Reply
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