Class 8 Some Natural Phenomena CBSE Questions & Answers

Class 8 · Some Natural Phenomena

This is Science Class 8 Some Natural Phenomena CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Lightening conductor is a device used to protect
  • A
    Protect us from effect of electric current
  • B
    Protect the building from effect of lightening
    Correct
  • C
    Protect the building from effect of UV rays
  • D
    Protect the building from heat effect
2
Which of the following natural phenomenon can not be predicted?
  • A
    Earthquake
    Correct
  • B
    Raining
  • C
    Cyclone
  • D
    Extreme cold
3
A major earthquake that occur on 26 January 2001 in
  • A
    Bhuj district of Gujarat
    Correct
  • B
    Bhojpur district of U.P
  • C
    Aurangabad district of Maharashtra
  • D
    Saran district of Bihar
4
Wind air is generated due to
  • A
    Condensation of hot air
  • B
    Even heating of earth
  • C
    Cooling down of earth
  • D
    Uneven heating of earth
    Correct
5
High speed wind can be destructive due to
  • A
    Large amount of kinetic energy
    Correct
  • B
    Low amount of potential energy
  • C
    Small amount of kinetic energy
  • D
    Large amount of potential energy
6
A sudden shaking or trembling of the earth which lasts for a vary short time is called
  • A
    Earthquake
    Correct
  • B
    Tornados
  • C
    Hurricane
  • D
    Cyclone
7
Earthquake is caused due to
  • A
    Disturbance in the upper most layer of crest
  • B
    Excessive heating of earth surface
  • C
    Movement of electric waves in the earth crest
  • D
    Disturbance deep down the earth crest
    Correct
8
Electrical charges produced by rubbing are called
  • A
    Electrical charge
  • B
    Lightening
  • C
    Statistic charge
    Correct
  • D
    Dynamic charge
9
Which of the following will not cause tremor in earth?
  • A
    Underground nuclear explosion
  • B
    Excessive soil pollution
    Correct
  • C
    Meteor hitting the earth
  • D
    Volcano erupts
10
Which of the following is not under seismic zones?
  • A
    Rann of Kutch
  • B
    Indo-Gangatic plain
  • C
    Western Punjab
    Correct
  • D
    Rajasthan
11
Which power of earthquake on Richter Scale is most destructive?
  • A
    Less than 7
  • B
    1.5 to 4.5
  • C
    More than 7
    Correct
  • D
    3.5 to 5.5
12
Lightning is usually accompanied by
  • A
    Floods
  • B
    Rain
  • C
    Thunder
    Correct
  • D
    Earthquake
13
What happen when glass rod is rubbed with silk and attain positive charge?
  • A
    Electron moves out from glass rod
    Correct
  • B
    Proton moves out from glass rod
  • C
    Electron moves into atmosphere
  • D
    Electron moves out from silk
14
Losing static electricity as charges move off an object is called
  • A
    Insulation
  • B
    Electric discharge
    Correct
  • C
    Electric conductivity
  • D
    Charging
15
An object becomes charged when the atoms in the object gain or lose
  • A
    Neutron
  • B
    Electron
    Correct
  • C
    Proton
  • D
    Positron