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: 8Science
Chapter: 12Some 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

Consider the following statements and choose the incorrect one:

[A]. [A] If we rub one end of a pen made of plastic with a sheet of paper, it attracts the tiny pieces of paper.
[B]. If we take an inflated rubber balloon, rub it carefully with a piece of woolen cloth and then touch it with a wall, the balloon stick to the wall.
[C]. The glass rod is first rubbed with a piece of silk cloth and then brought near the tiny pieces of paper the glass rod attracts the tiny pieces of paper.
[D]. None of the above
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

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
Q5

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.
Q6

The movement of the earth’s plate causes:

[A]. Cyclones
[B]. Lightning
[C]. Earthquakes
[D]. Thunderstorms
Q7

The electric nature of lightning was established by a scientist named:

[A]. Isaac Newton
[B]. Robert Hooke
[C]. Benjamin Franklin
[D]. Thales
Q8

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
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

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

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

When a plastic comb is rubbed with dry hair, the hair gets positively charged by friction. In this process:

[A]. The hair loses some positive protons
[B]. The hair gains some positive protons
[C]. The hair loses some negative electrons
[D]. The hair gains some negative electrons
Q19

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
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

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