Updated by Tiwari Academy
on June 12, 2023, 9:03 AM
on June 12, 2023, 9:03 AM
Class 8 Science Chapter 12 MCQ (Multiple Choice Questions) of Some Natural Phenomena for CBSE and state board students updated for academic session 2024-25. All the questions are important not only for unit test taken in class but the terminal exams also. Practice here with these MCQ objective questions to clear your doubts related to chapter 12 and be confident in exams and debates. All the important questions are covered here using MCQs objective test.
Class 8 Science Chapter 12 MCQ
| Class: 8 | Science |
| Chapter: 12 | Some Natural Phenomena |
| Contents: | MCQ with answers and Explanation |
| Session: | 2024-25 |
MCQ Tests with Answers for Class 8 Science Chapter 12
Q1
Which of the following statement is or are correct?
[A]. Cyclones are a destructive natural phenomenon which can cause a lot of damage of human life and property.
[B]. Lightning is an electric spark on a huge scale which is caused by the accumulation of electric charges in the clouds.
[C]. When we rub the plastic comb with our dry hair, plastic comb gets electric charge due to friction.
[D]. All the above
Q2
An electroscope is a device which is used to find if an object is:
[A]. Charged
[B]. Magnetic
[C]. Free of cracks
[D]. Hot
Q3
Which of the following cannot be charged by friction, if held by hand?
[A]. A plastic scale
[B]. A copper rod
[C]. An inflated balloon
[D]. A woolen cloth
Q4
Read the following sentences carefully, and choose the correct one:
[A]. The process of giving electric charge to an object is called charging the object.
[B]. An object having no electric charge on it, is called an uncharged object.
[C]. The charging of an object by rubbing it with another object is called charging by friction.
[D]. All the above
Q5
Paheli is writing some statements, choose the incorrect statement and help her:
[A]. The electric charges generated by rubbing of friction are static electric charges.
[B]. When a ball point pen refill is rubbed vigorously with a piece of polythene, the refill acquires electric charge by friction.
[C]. All the insulators object like glass rod, plastic comb, plastic scale, plastic straw etc. can be charged by rubbing while held in hand.
[D]. None of the above
Q6
Which of the following are transferred from one object to another object when these two objects are charged by friction?
[A]. Atoms
[B]. Protons
[C]. Neutrons
[D]. Electrons
Q7
Two charged objects are brought close to each other. Choose the most appropriate statement from the following options:
[A]. They may attract
[B]. They may repel
[C]. They may attract or repel depending on the type of charges they carry
[D]. There will be no effect
Q8
The electric nature of lightning was established by a scientist named:
[A]. Isaac Newton
[B]. Robert Hooke
[C]. Benjamin Franklin
[D]. Thales
Q9
A plastic comb is rubbed with dry hair whereas a glass rod is rubbed with a piece of silk cloth. Which of these will get negatively charged?
[A]. Plastic comb and Glass rod
[B]. Glass rod and Dry hair
[C]. Plastic comb and Silk cloth
[D]. Glass rod and Silk cloth
Q10
The earth’s plate responsible for causing earthquake is:
[A]. The crust of the earth
[B]. The mantle of the earth
[C]. The inner core of the earth
[D]. The outer core of the earth
Q11
Badal appeared in class test but he confused to know the incorrect statement. Would you help him to know that?
[A]. All the objects like glass rod, silk cloth, rubber balloon, ballpoint pen etc., are made up of tiny particles called atoms.
[B]. We know that positive electric charges called protons and negative electric charge is called electrons.
[C]. The number of protons and electrons in the atoms are equal.
[D]. None of the above.
Q12
The boundaries of the earth plate are known as:
[A]. Seismic zone and Fault zone
[B]. Seismic zone and Mantle
[C]. Mantle zone and Inner core
[D]. Fault zone, Mantle and Inner core
Q13
Puja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:
[A]. The object which loses negatively charged electrons during rubbing, acquires a positive electric charge.
[B]. The object which gains negatively charged electrons during the rubbing, acquires a negative electric charge.
[C]. The positively charged protons are held strongly inside the nucleus of atom.
[D]. None of the above
Q14
An earthquake of magnitude 2 on Richter scale is:
[A]. Two times as strong as an earthquake of magnitude 1
[B]. Four times as strong as an earthquake of magnitude 1
[C]. Ten times as strong as an earthquake of magnitude 1
[D]. Hundred times as strong as an earthquake of magnitude 1
Q15
The outermost layer of the earth is called:
[A]. Mantle
[B]. Outer core
[C]. Crust
[D]. Inner core
Q16
Earthquakes can cause:
[A]. Tsunami, Landslides and Floods
[B]. Landslides and Lighting.
[C]. Landslides, floods and lighting.
[D]. Floods and Lighting
Q17
In a science quiz competition, Payel is asked a question where she had to choose the statement which was/were incorrect?
[A]. Earthquakes occur anytime all over the world.
[B]. The plates of the outermost layer of the earth are always in continuous motion.
[C]. Tremors on the earth can also be caused by the eruption of a volcano.
[D]. The process of electric discharge cannot occur between clouds and the earth.
Q18
In a science quiz competition, Payel is asked a question where she had to choose the statement which was/were correct?
[A]. We should avoid raising an umbrella over our head during lightning.
[B]. Earthquake is a destructive natural phenomenon which cannot be predicted in advance.
[C]. Tremors on the earth can also be caused when a volcano erupt or a big meteorite hits the earth or nuclear explosion (by human being).
[D]. All the above
Q19
Read the following sentences carefully, and choose the incorrect one:
[A]. If one object has positive charge and the other object has negative charge, then the two objects attract each other.
[B]. If the two objects have positive charge, they repel each other.
[C]. If the two objects have a negative charge, they repel each other.
[D]. Since, a charged balloon and a charged ball pen refill having unlike charges, they repel each other.
Q20
The tremendous electric charges in the atmosphere which produce sheet lightning in the clouds are produced by the process of:
[A]. Friction
[B]. Induction
[C]. Conduction
[D]. Convection
Q21
Read the following sentences carefully, and choose the incorrect one:
[A]. The magnitude of an earthquake is expressed on the Richter scale.
[B]. The weak zones of earth’s crust are called “seismic zones”.
[C]. The earthquake having magnitude higher than 7 on the Richter scale, are really destructive earthquake.
[D]. None of the above
Q22
The place inside the earth’s crust where the earthquake is generated is called:
[A]. Seismic zone of the earth
[B]. Epicentre of the earthquake
[C]. Fault zone of the earth
[D]. Focus of the earthquake
Q23
An inflated rubber balloon is rubbed with a woolen cloth whereas a ballpoint pen refill is rubbed with a polythene bag. Which of these will get positively charged?
[A]. Inflated rubber ballon and woolen cloth
[B]. Woolen cloth and ball point pen refill
[C]. Inflated rubber ballon and polythene bag
[D]. Woolen cloth and polythene bag
Q24
Which of the following statement is or are incorrect?
[A]. The process of transferring an electric charge from a charged object to the earth is called earthing.
[B]. The bright flash of light which we see in the clouds is called lightning.
[C]. The passage of electric current in air due to movement of electric charges is called electric discharge.
[D]. None of the above
Q25
Consider the following statements and choose the correct one:
[A]. Lightning strikes are more frequent in hilly areas because in such area’s clouds are comparatively closer to the ground than in the planes.
[B]. When lighting strikes the earth, it can cause a lot of destruction by damaging property and killing people.
[C]. Lightning conductor is a device used to protect a building from the effects of lightning.
[D]. All the above
Download App for Class 8
Help and Support
We always prefer to provide the study material which is best for the students. That is why we are regularly updated our NCERT Solutions, Study material like Important Questions, MCQ, etc. All the contents are free to use without any login.
Last Edited: June 12, 2023
