Updated on June 12, 2023
by Tiwari Academy
by Tiwari Academy
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 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
Q2
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
Q3
Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by:
[A]. Cotton thread
[B]. Plastic string
[C]. Copper wire
[D]. Rubber band
Q4
When a glass rod is rubbed with a piece of silk cloth then:
[A]. The glass rod and silk cloth both acquire positive charge.
[B]. The glass rod becomes positively charged while the silk cloth has a negative charge.
[C]. The glass rod and silk cloth both acquire negative charge.
[D]. The glass rod becomes negatively charged while the silk cloth has a positive charge.
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
The movement of the earth’s plate causes:
[A]. Cyclones
[B]. Lightning
[C]. Earthquakes
[D]. Thunderstorms
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
Which of the following is not likely to cause “Tsunami”?
[A]. [A] A major nuclear explosion under the sea
[B]. Earthquake
[C]. Volcanic eruption
[D]. Lightning
Q10
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
Q11
Payal is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Payel wants to take help from you:
[A]. All the objects made of clear plastic as ballpen refill, plastic scale etc., called acrylic, gets positive charge on rubbing.
[B]. All the objects made of polythene plastic or polythene sheet or polythene plastic comb gets negative charge on rubbing.
[C]. The object will get positive or negative charge; it depends on the nature of material of which the two objects are made.
[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
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
Q14
The outermost layer of the earth is called:
[A]. Mantle
[B]. Outer core
[C]. Crust
[D]. Inner core
Q15
The epicenter of an earthquake is:
[A]. Deep under the crust of earth
[B]. In the mantle of earth
[C]. On the surface of earth
[D]. In the core of earth
Q16
When an object gets negatively charged by the process of friction then:
[A]. The object loses some electrons
[B]. The object loses some protons
[C]. The object gains some electrons
[D]. The object gains some protons
Q17
Earthquakes can cause:
[A]. Tsunami, Landslides and Floods
[B]. Landslides and Lighting.
[C]. Landslides, floods and lighting.
[D]. Floods and Lighting
Q18
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.
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
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
Q23
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
Q24
Choose the incorrect statements, if we are at home when an earthquake occurs:
[A]. If we are in bed, we should just move on the bed to be close to a wall but not get up from the bed.
[B]. We should stay away from tall and heavy objects and glass windows.
[C]. We should take shelter under a study table or kitchen counter and stay there till the shaking due to earthquake stops.
[D]. None of the above
Q25
In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?
[A]. The innermost part of the earth is called its “Core”.
[B]. The central region of earth is called “Mental”.
[C]. The outermost layer of the earth is called “Crust”.
[D]. The crust of earth is totally one piece of plate.
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Last Edited: June 12, 2023
