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1st Chapter

8th Science English Medium Chapter 1 Test

Here you can prepare 8th Science English Medium Chapter 1 Test. Click the button for 8th Science English Medium Chapter 1 100% free full practice test.

8th Class Science Chapter 1 MCQ Test With Answer for Science chapter 1

8th Class Science Chapter 1 MCQ Test With Answer for Science chapter 1

Sr. # Questions Answers Choice
1 Consumers that actively hunt other organism are called.
  • A. Prey
  • B. Competitor
  • C. Predator
  • D. Symbiont
2 During the combustion of fossil fuel. Which gas is ener the atmosphere.
  • A. Nitrogen
  • B. Oxygen
  • C. Carbon di oxide
  • D. Hydrogen
3 ------------- gas is released when dead organisms are decomposed by the decomposers.
  • A. Oxygen
  • B. Carbon dioxide
  • C. Nitrogen
  • D. Hydrogen
4 Organism in ecologicla communits interact with one anothe rin....... major ways.
  • A. Two
  • B. three
  • C. Four
  • D. Five
5 Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.
  • A. Food Chian
  • B. Ecological pyramid
  • C. Trophic level
  • D. Predation
6 Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
  • A. 100
  • B. 200
  • C. 300
  • D. 400
7 A symbiotic relationship in whihc both speciesl get benefit is called.
  • A. Commensalism
  • B. Hebitate
  • C. Mutualism
  • D. Symbiosis
8 The poisonous and harmsful substances which make the air unfavorable for life are called.
  • A. Solid pollutant
  • B. Air pollutant
  • C. Water pollutant
  • D. Acid Rain
9 Which is the solution of environmental problems.
  • A. Reducing pollution
  • B. Plantation
  • C. Protection of endangered
  • D. All these
10 During respiration by the animals, whihc gas is released into the atmosphere.
  • A. Nitrogen
  • B. Oxygen
  • C. Carbon Di oxide
  • D. Hydrogen

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Share your comments questions here
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  • Umer Garewal

    06 Jun 2023

    this test is in urdu why the test is not in english

    Like
    Reply
  • _Aimen Zaib_

    22 Oct 2022

    not fair

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  • G

    Guest User

    04 May 2020

    best App

    Like (1)
    Reply
  • G

    Guest User

    20 Mar 2020

    nice

    Like (2)
    Reply
  • F

    Faraz

    28 Feb 2020

    Good

    Like (1)
    Reply
  • G

    Guest User

    17 Feb 2020

    good app

    Like (1)
    Reply
  • G

    Guest User

    28 Jan 2020

    good app

    Like (1)
    Reply
  • A

    Arfa Jamal

    29 Sep 2019

    Ye eng me science k mcqs open nahe horaha I need mcqs in eng

    Like (8)
    Reply
  • M

    M.Shakeel

    01 May 2019

    Useful

    Like (1)
    Reply
  • A

    Arwa

    06 Apr 2019

    مجھے سائنس کی تیاری کرنی ہے مگر یہاں کچھ سمجھ نہی آرھا

    Like (4)
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