We hear a thunder because:
(a) a lot of energy is released
(b) air beata up and explode
(c) a lot of charge goes in lightning
(d) clouds bang against each oilier
Q 2 – It is safe to be in ………………… daring a lightning.
(a) open
(b) building
(c) car or bus
(d) both (b) and (c)
Q 3 – Areas falling on joints of seismic pintes are called:
(a) safe zones
(b) fault zones
(c) high zones
(d) none of these
Q 4 – The power of an earthquake is expressed on scale called:
(a) metre scale
(b) richter scale
(c) centimetre scale
(d) none of these
Q 5 – The two objects rubbed against each other:
(a) will gain elections
(b) will lose elections
(c) one will gain electrons and other will lose electrons
(d) noise of these
Q 6 – Which of the following occurs during lightning:
(a) nitrogen fixation
(b) greenhouse effect
(c) acid ram
(d) none of these
Q 7 – The natural phenomenon which we are not yet able to predict acc.rately Is:
(a) cyclone
(b) thunderstorm
(c) earthquake
(d) all of these
Q 8 – Earthing la the process of Transferring of charge from:
(a) the earth to a charged object
(b) charged object to uncharged object
(c) charged object to the earth
(d) none of these
Q 9 – The electrical charge can b. transferred front a charged object to another through a:
(a) non-metal insulator
(b) metal insulator
(c) metal conductor
(d) none of these
Q 10 – The denier used to teat whether an object la carrying charge or not is cased:
(a) electrometer
(b) chargecope
(c) electroscope
(4) none of these
Q 11 – On rubbing ………………… electricity is produced.
(a) static
(b) curent
(c) both (a) and (b)
(d) none of these
Q 12 – A charged balloon ………………. a charged balloom.
(a) attract
(b) repels
(c) neither attracts nor repels
(d) none of these
Q 13 – A charged balloon a charged refill.
(a) attracts
(b) repels
(c) neither attracts nor repels
(d) none of these
Q 14 – Is lightning sad the spark from our cloths the same phenomena.
(a) yes
(b) no
(c) can’t say
(d) none of these
Q 15 – When glass rod is rubbed with silken cloth than glass rod has:
(a) negative charge
(b) positive charge
(c) sometimes negative charge and sometimes positive charge
(d) no charge
Q 16 – When ebonite rod ea rubbed with woollen cloth than ebonite rad has:
(a) negative charge
(b) postie charge
(c) sometimes negative charge and sometimes positive charge
(d) no charge
Q 17 – Same charged bodies:
(a) attract each other
(b) repel each other
(c) fast attracts arid then repels each other
(d) none of these
Q 18 – Oppositely charged bodies:
(a) attract each other
(b) repel each other
(c) first attracts and then repel each other
(d) none of these
Q 19 – Any object can be charged by which of the following method:
(a) friction
(b) contact
(c) induction
(d) all of these
Q 20 – When object is rubbed than it is:
(a) worn out
(b) charged
(c) spoiled
(d) not charged
Q 21 – When two charged bodies are brought near each other than there is:
(a) attraction
(b) either attraction repulsion
(c) repulsion
(d) neither attraction nor repulsion
Q 22 – Which of the following has negative charge:
(a) woollen cloth
(b) comb
(c) paper
(d) cotton cloth
Q 23 – The Instrument that can help as detect charge called:
(a) electroscope
(b) electrometer
(c) barometre
(d) sohametre
Q 24 – Which of the following thing when rubbed with dry hair doe* not attract small pieces of paper:
(a) candle
(b) steel bowl
(c) piece of thermocole
(d) plastic bottle
Q 25 – Lightning occurs due to:
(a) rain
(b) electric discharge
(c) wind
(d) lord Varun’s angel
Q 26 – A lightning dictator:
(a) conducts electricity
(b) Mops lightning
(c) saves building from electric discharge
(d) all of these
Q 27 – Shaking of earth b called:
(a) volcano
(b) tsunami
(c) earthquake
(d) bout (b) and (c)
Q 28 – Which of the following cannot he charged easily by fraction:
(a) a plastic scale
(b) a copper rod
(c) an inflated balloon
(d) swollen cloth
Q 29 – When a glass rod is rubbed with a piece of silk cloth the rod:
(a) and the cloth both acquire positive charge
(b) becomes positively charged while the cloth has a negative charge
(c) and the cloth both acquire negative charge
(d) becomes negatively charged white the cloth has a positive charge
Q 30 – The process of transfer of charges from a charged object to the earth is called
(a) earthing
(b) lightning
(c) oscillation motion
(d) electron movement
Q 31 – The power of an earthquake is expressed on a scale called
(a) seismic scale
(b) iron scale
(c) richter scale
(d) large scale
Q 32 – Which instrument is used to measure earthquake?
(a) Richter scale
(b) Seismograph
(c) Polygraph
(d) None of these
Q 33 – Which is not a natural phenomena?
(a) Earthquakes
(b) Cyclones
(c) Lightning
(d) Earthing
Q 34 – How many types of charges are gained by rubbing objects?
(a) 2
(b) 1
(c) 3
(d) 4
Q 35 – Where is the lightning rod attached to protect the building from lightning?
(a) On the top of the building
(b) On the bottom of the building
(c) In the middle of the building
(d) All of these
Q 36 – Tsunami means
(a) earthquake
(b) floods
(c) earthquake under the sea
(d) eruption of volcano in a sea
Q 37 – The waves produced on the earth’s surface is called
(a) seismic wave
(b) longitudinal wave
(c) Micro wave
(d) Radio wave
Q 37 – Amber is a
(a) metal
(b) rubber
(c) resin
(d) sugar
Q 38 – Which is the surest test of charge on a body?
(a) Repulsion
(b) Lightning
(c) Combustion
(d) Insulation
Q 39 – Which of the following can be charged with static electricity ?
(a) Metal
(b) Alloy
(c) Insulator
(d) Semiconductor
Q 40 – Which of the following can be charged by rubbing?
(a) Ebonite
(b) Plastic
(c) Amber
(d) All of these
Q 41 – When two bodies are rubbed against each other, they acquire
(a) equal and like charges
(b) equal and unlike charges
(c) unequal and like charges
(d) unequal and unlike charges
Q 42 – It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as __________
(a) Negative
(b) Positive
(c) Neutral
(d) Can be any one
Q 43 – A device used to test whether an object is carrying charge or not is called ______.
(a) Electrometer
(b) Charge meter
(c) Electroscope
(d) Chargoscope
Q 44 – During lightning actually _____________ takes place
(a) Electric discharge
(b) Electric charging
(c) Electric charge accumulation
(d) All of the above
Q 45 – During a thunderstorm which action may be done?
(a) Using Telephone having cord
(b) Switching on / off electric lights
(c) Using a mobile phone
(d) None of the above
Q 46 – To protect tall buildings from the damage of lightning, what can be done?
(a) Not to build tall buildings
(b) Install lightning conductors
(c) Install many TV antennas
(d) Have a roof top garden with tall trees
Q 47 – A major earthquake occurred on 26th January 2001 in which part of India?
(a) Uri (Kashmir)
(b) Mumbai (Maharastra)
(c) Guwahati (Assam)
(d) Bhuj (Gujarat)
Q 48 – During thunderstorm it is safer to
(a) Carry an open umbrella
(b) Take shelter under short trees
(c) Take shelter under tall trees
(d) Stand in open fields
Q 49 – The process of transferring charge from a charged body to earth is called
(a) transferring
(b) Processing
(c) Charging
(d) Earthing
Q 50 – Seismograph is an instrument used to
(a) Record strength of wind
(b) Record vibrations of earthquake
(c) Record lightening
(d) Record temperature
Q 51 – The power of an earthquake is expressed in terms of magnitude on a scale called
(a) Righter Scale
(b) Quake scale
(c) Richter Scale
(d) Earth Scale
Q 52 – Like charges
(a) attract each other
(b) repel each other
(c) no interaction takes place
(d) none of these
Q 53 – Earthquake of which magnitude of the following cause the maximum damage?
(a) 3.0
(b) 8.0
(c) 5.0
(d) 4.0
Q 54 – Lightning occurs due to
(a) wind
(b) rain
(c) electric discharge
(d) earthquake
Q 55 – The shaking and trembling of earth is called
(a) tsunami
(b) volcano
(c) earthquake
(d) none of these
Q 56 – The magnitude of an earthquake is measured in
(a) Kelvin scale
(b) Celsius scale
(c) Decibel scale
(d) Richter scale
Q 57 – Which is the sure test of charge on a body?
(a) Lightning
(b) Combination
(c) Repulsion
(d) Insulation
Q 58 – Major earthquakes are less likely to occur in
(a) North-East India
(b) Rajasthan
(c) Rann of Kutch
(d) Odisha
Q 59 – Lightning always follows
(a) rain
(b) thunder
(c) the easiest path
(d) a straight path
Q 60 – The outermost layer of the earth is called
(a) mantle
(b) outer core
(c) crust
(d) inner core
Q 61 – Lightning conductor is used
(a) to destroy the buildings
(b) to protect the buildings
(c) both (a) and (b)
(d) none of these
Q 62 – Where is the lightninr conductor located?
(a) In the bo’oni of the building
(b) On the top of the building
(c) In the middle of the building
(d) Anywhere can be installed
Q 63 – The point from where the shock waves of an earthquake originate is called
(a) epicentre
(b) seismic focus
(c) focal depth
(d) none of these
Q 64 – The epicentre of an earthquake is
(a) in the core of earth
(b) on the surface of earth
(c) in the middle of earth
(d) none of these
Q 65 – Which of the following is not likely to cause tsunami?
(a) Nuclear explosion under sea
(b) Earthquake
(c) Volcanic eruption
(d) Lightning
Q 66 – The process of electric discharge can occur between
(a) two or more clouds
(b) clouds and the earth
(c) both (a) and (b)
(d) none of these
Q 67 – During lightning air is normally
(a) a good conductor
(b) a bad conductor
(c) both (a) and (b)
(d) none of these
Q 68 – If two charged objects are brought close to each other then
(a) they will attract each other.
(b) they will repel each other.
(c) they may attract or repel depending on the charges they carry.
(d) there will be no effect between them.
Q 69 – Which state of India was hit by a powerful earthquake on 26th January, 2001?
(a) Jammu and Kashmir
(b) Assam
(c) Maharashtra
(d) Gujarat
Q 70 – A major tsunami occurred on 26th December 2004 in which ocean?
(a) Indian Ocean
(b) Pacific Ocean
(c) North Atlantic Ocean
(d) South Atlantic Ocean
Q 71 – Sparks can be seen on an electric pole when wires become
(a) loose
(b) tight
(c) wrinkled
(d) none
Q 72 – The epicenter of an earthquake is located
(a) deeper under the crust of the earth
(b) in the mantle of the earth
(c) on the surface of the earth
(d) in the core of the earth
Q 73 – Movement of the tectonic plates leads to
(a) flood
(b) earthquake
(c) lightning
(d) tsunami
Q 74 – The lightning conductor was first established by a scientist named
(a) Issac Newton
(b) Benjamin Franklin
(c) Robert Hooke
(d) Thales
Q 75 – The SI unit of electric charge is
(a) watt
(b) joule
(c) coulomb
(d) ampere
Q 76 – Device which can be used to test whether an object is carrying a charge or not is known as
(a) electroscope
(b) microscope
(c) periscope
(d) telescope
Q 77 – As per convention, what is the charge on a glass rod when it is rubbed with a silk cloth?
(a) Positive
(b) Negative
(c) Either (a) or (b)
(d) No charge
Q 78 – As per convention, what is the charge on a glass rod when it is rubbed with a silk cloth?
(a) A loses its charge
(b) B acquires positive charge
(c) B acquire no charge
(d) B acquires negative charge
Q 79 – An earthquake of magnitude 8 or 9 on Richter scale is
(a) strong
(b) very weak
(c) mild
(d) not felt
Q 80 – An earthquake under the ocean can cause a
(a) tsunami
(b) lightning
(c) thunderstorm
(d) high tide
Q 81 – Which of the following is not a safe place during lightning?
(a) Open area
(b) Inside a house
(c) Elevated ridge
(d) Both (a) and (c)
Q 82 – During a thunderstorm, the charges that accumulate near the upper edges of the clouds are
(a) negatively charged
(b) positively charged
(c) neutral
(d) none of these
Q 83 – Name the scientist who showed that lightning and the spark from your clothes are essentially the same phenomena?
(a) Thomas Alva Edison
(b) Benjamin Franklin
(c) Franklin D. Roosevelt
(d) Isaac Newton
Q 84 – The shaking of earth is called:
(a) tsunami
(b) volcano
(c) earthquake
(d) all of these.
Q 85 – Static electricity charges can be produced by
(a) Heating
(b) Rubbing
(c) Beating
(d) none of these
Q 86 – Why is a lightning conductor installed on a building?
(a) So that it collects the electric power present in the lightning
(b) So that it repels the lightning that falls on the building
(c) So that it forces the lightning to fall in an area where there are no buildings
(d) So that it conducts electric charge to the ground when lightning strikes the building
Q 87 – Which of the following allows the transfer of electric charge from one charged object to another?
(a) Vacuum
(b) Air
(c) Insulator
(d) Conductor
Q 88 – What happens when an ebonite rod rubbed with fur and a glass rod rubbed with silk are brought near each other?
(a) They attract each other.
(b) They repel each other.
(c) Nothing happens to them.
(d) They acquire heat.
Q 89 – Which of the following is not a natural phenomenon?
(a) Cyclone
(b) Lightening
(c) Cooking
(d) Earthquake
Q 90 – Which layer of the earth is exposed to the atmosphere?
(a) Outer core
(b) Mantle
(c) Inner core
(d) Crust
Q 91 – The outermost layer of earth is called
(a) Mountain
(b) Core
(c) Crust
(d) Mantle
Q 92 – The process of transferring a charge from a charged body to the earth is called
(a) Hydrolysis
(b) Electrolysis
(c) Earthing
(d) Discharging
Q 93 – The resin which produces spark is
(a) gum
(b) amber
(c) both (a) and (b)
(d) none of these
Q 94 – Which of the following state India is not likely to be affected by earthquake?
(a) Rajasthan
(b) Uttar Pradesh
(c) Jammu Kashmir
(d) Gujarat
Q 95 – Earthquakes are caused by the
(a) Tilting of earth axis
(b) Movement of water inside
(c) High pollution level
(d) Movement of earth plates
Q 96 – Lightening conductor is made up of
(a) Metal
(b) Cotton
(c) Non-metal
(d) Wooden
Q 97 – Lightening is _________ on huge scale.
(a) Magnetic effect
(b) Electric spark
(c) Electro-magnetic effect
(d) Heating effect
Q 98 – When you touch a charged body, the charge flows through you into the earth. What is this called?
(a) Induction
(b) Conduction
(c) Capacitance
(d) Earthing
Q 99 – What is the purpose of an electroscope?
(a) To detect and test small electric charges
(b) To calculate the amount of electric charge flowing through the conductor
(c) To find out the presence of antimatter
(d) To test the presence of magnetic field
Q 100 – The boundaries of earth
(a) Fault zones
(b) Poor zone
(c) Volatile zone
(d) Default zone
Q 101 – The earth’s plate responsible for causing earthquakes is
(a) The inner core of the earth
(b) The mantle of the earth
(c) The crust of the earth
(d) The outer core of the earth
Q 102 – Suppose you are in a car and there is a thunderstorm. Which of the following is the best way to protect yourself from possible harm?
(a) Remaining in the car
(b) Getting out of the car and taking cover under the car
(c) Running to a nearby tree
(d) Getting out and standing under an electric pole
Q 103 – Lightning occurred when two charges meet they are
(a) both positive
(b) both negative
(c) one positive and other negative
(d) none
Q 104 – Building can be protected from lightning by using
(a) Lightning rod on the levels of building
(b) Wooden logs at the top of building
(c) Lightning rod at the top of building
(d) All of these
Q 105 – Interaction of charges is called:
(a) lightning
(b) electrical discharge
(c) earthquake
(d) earthing
Q 106 –Match the Column-A with Column-B:
| Column-A | Column-B |
| (a) Same charged bodies | (i) earthquake |
| (b) Opposite charged bodies | (ii) friction |
| (c) Cannot be charged | (iii) repel each other |
| (d) Objects can be charged by | (iv) attract each other |
| (e) Shaking of earth | (v) an aluminium foil |
Q 107 – State whether the following statements are True or False:
- We cannot predict floods or cyclones. False
- Electric discharge takes place between similar charges. False
3 . We should avoid sitting inside the car during lightning. False
4. Lightning can cause harm to our electrical instruments. True
5. Indians considered lightning as sacred. False
6. Lightning rod is used to save buildings from lightning strike. True
7.Umbrellas are safe during lightning. False
8. We can use the wired telephones during lightning. False
9. Silk gets positively charged when rubbed with glass rod. False
10. If the knob of charged electroscope is touched by hand then the strips revert back to their original position. True
11. Like charges attract each other. False
12. A charged glass rod attract a charged plastic straw. True
13. Lightning conductor cannot protect a building from lightning. Fales
14. Earthquakes can be predicted in advance. False
Q 108 – Fill in the blanks:’
1.The explosive sound heard during lightning is called ………………..
2. ……………….. is the process of discharging atmospheric electricity through a conductor into
earth.
3. Like charge ……………….. and unlike charge ………………..
4. ……………….. electricity consists of electric charges which do not flow.
5. An ebonite rod when rubbed with fur develops a ……………….. charge.
6. ……………….. , ………………..can take place due to an earthquake.
7. Interaction between opposite charges producing huge energy is called ………………..
8. Static electricity is so called because it cannot ……………….
9. Conventionally a glass rod acquires a ……………….. charge on rubbing.
10.On rubbing against each other, the bodies get …………………
11. A rapid flow of charge through air in clouds is called ………………..
12. Amber is a …………………
13. When two bodies are charged by rubbing against each other, they acquire ……………….. and ……………….. charge.
14. Due to rubbing of air particles the water droplets in clouds get ……………….. charge.
15. A charged balloon ……………….. a charged refill.
16. ……………….. showed that lightning and the spark from our clothes are essentially the same phenomena.
17. The electrical charge can be transferred from a charged object to another through a
………………..
18. Air is a ……………….. conductor of electricity.
19. ……………….. can not be predicted.
20. A ……………….. can save a building from lightning strike.