8th Class Science Some Natural Phenomena Question Bank

done Self Test-17 Total Questions - 10

• question_answer1)
  Which one of the following is a negative charged particle?
  A)
  (a) Electron done clear
  B)
  (b) Proton       done clear
  C)
  (c) Neutron done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer2)
  What is the nature of the force which is experienced between an electron and a proton?
  A)
  (a) Force of attraction done clear
  B)
  (b) Force of repulsion done clear
  C)
  (c) No force is experienced done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer3)
  If an object is rubbed with another object, the object which gains electrons:
  A)
  (a) Becomes negatively charged done clear
  B)
  (b) Becomes positively charged done clear
  C)
  (c) Remains neutral done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer4)
  Which one of the following devices is used to detect electric charge on an object?
  A)
  (a) Seismograph done clear
  B)
  (b) Seismometre done clear
  C)
  (c) Ritcher scale done clear
  D)
  (d) Electroscope done clear
  E)
  (e) None of these done clear
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• question_answer5)
  The shaking of the ground caused by sudden movements in earth's crust is known as:
  A)
  (a) Lightning done clear
  B)
  (b) Thunderstorm done clear
  C)
  (c) Earthquake done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer6)
  Lightning is the phenomenon caused by:
  A)
  (a) Charges produced in the clouds done clear
  B)
  (b) Sudden movements of tectonic plates done clear
  C)
  (c) Volcanic eruption done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer7)
  The place inside the earth's crust where the earthquake is generated is known as _____ of the earthquake.
  A)
  (a) Epicenter done clear
  B)
  (b) Focus done clear
  C)
  (c) Disc done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer8)
  The instrument which is used to measure and record the magnitude of an earthquake in terms of shockwaves is known as:
  A)
  (a) Ritcher scale done clear
  B)
  (b) Electroscope done clear
  C)
  (c) Seismograph done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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• question_answer9)
  Which one of the following statements is correct? Statement 1: Earthquake is caused by sudden movements in tectonic plates Statement 2: The intensity of an earthquake is measured by ritcher scale
  A)
  (a) Statement 1 done clear
  B)
  (b) Statement 2 done clear
  C)
  (c) Both statements are correct done clear
  D)
  (d) Both statements are incorrect done clear
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• question_answer10)
  The point on the earth's surface directly above the focus is called:
  A)
  (a) Focus done clear
  B)
  (b) Epicenter done clear
  C)
  (c) Hypocenter done clear
  D)
  (d) All of these done clear
  E)
  (e) None of these done clear
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