Download Q.1 Choose the correct. [Marks : 50]

SARVAYOGAM SCHOOL
Standard : 10 : SCIENCE [ lesson – 4 ] Electricity
Q.1 Choose the correct. [Marks : 50]
(1) Volt is a unit of ___
(a) electric potential
(b) electric current
(c) electric charge
(d) resistance
(2) Electric energy consumed per unit time is called ___
(a) electric current
(b) work
(c) electric charge
(d) power
(3) The process of depositing a desired metal on another metallic object by using electricity is called ___.
(a) none of these
(b) electrolyte
(c) electrolysis
(d) electroplating
(4) Which of the following substance posses free electrons ?
(a) Semiconductor
(b) Insulator
(c) None of these
(d) Conductor
(5) 18Ω resistance wire broken into three pieces and they all connected in parallel. The equivalent resistance of the
circuit will be ___
(a) 2
(b) 18
(c) 12
(d) 6
(6) How can three resistance each of 2Ω joined in such a way that their equivalent resistance will be 3Ω ?
(a) Two resistances are in parallel and one resistance is connected in series with these connection
(b) All three resistance are in parallel
(c) Such type of connection is meaningless
(d) All three resistance are in series
(7) For electricity pure water is ___.
(a) a superconductor
(b) a conductor
(c) an insulator
(d) a semi-conductor
(8) When electric potential difference applied in a current is doubled, the change in current in the circuit will becomes
(a) half
(b) same
(c) four time
(d) double
(9) Which one of the following statement is wrong for series connection of resistance ?
(a) This connection reduces the power loss.
(b) Total resistance of the current increases
(c) Voltage is not same across the two ends of every resistance.
damaged, current will not flow through the other resistors.
(d) If anyone of the resistor is gets
(10) At any point in a series connection of resistors ___.
(a) Voltage is same b) Current is same (c) Voltage and current both are not same (d) Voltage and current both are same
(11) Which instrument is used to creat the potential difference between two point of the conducting wire ?
(a) Ammeter
(b) Battery
(c) Resistance
(d) Voltmeter
(12) Ampere x second is a unit of which physical quantity ?
(a) Resistance
(b) Eletric potential
(c) Quantity of charge
(d) Electric current
(13) What is the unit of electric potential difference ?
(a) Ohm
(b) Volt
(c) Ampere
(d) Coulomb
(14) What is chemical equivalent ?
(a) atomic number x valency
(b) atomic weight / valency
(c) none of these
(d) atomic weight x valency
(15) The unit of electric potential is ___
(a) Joule / coulomb
(b) Joule / coulomb
(c) Coulomb / second
(16) In Volta's cell chemical energy is converted into which energy ?
(d) Coulomb / joule
(a) Kinetic energy
(b) Electrical energy
(c) Heat energy
(d) Mechanical energy
(17) What factors does the resistance of the conductor depend ?
(a) Type of conductor
(b) Length of conductor (c) All of (a), (b) and (c)
(d) Temperature of conductor
(18) What is the unit of electric current ?
(a) Ohm
(b) Coulomb x second
(c) Ampere
(d) Volt
(19) For plating of copper on iron spoon, rod of copper ___.
(a) is to be connected with positive pole (b) to be kept in electrolyte
(c) None of these
(d) is to connected with negative pole
(20) Three resistors 40Ω, 60Ω and 100Ω are joined in parallel with
a battery of 230 V. How much voltage will be dropped across each resistor ?
(a) 40
(b) 60
(c) 100
(d) 230
(21) The electric lamps 40 W and 60W are joined in series , what will be the total power consumed?
(a) 40 W
(b) 100 W
(c) 60 W
(d) 24 W
(22) If 15 ohm and 30 ohm resistance are connected in parallel with each other, then the equivalent resistance is ___
ohm.
(a) 10
(b) 30
(c) 45
(d) 15
(23) 5V, 10V and 15V are three batteries connected in series of each other. The total voltage of circuit will be ___
(a) 30V
(b) 20V
(c) 15V
(d) 0V
(24) Which of the following statement is more true according to Ohm's law ?
(a) All (a), (b) and (c) are true
(b) The ratio of (V) and (I) remains same
(c) The graph of (V) ---> (I) is linear.
(d) Current is directly proportional to the voltage
(25) Potential difference between two points of resistor is 10V, then the
energy consumed between these two points per 10 C charge is ___
(a) 1 J
(b) 100 J
(c) 10 J
(d) 20 J
(26) From which of the following the electric current flows in electrolyte ?
(a) Negative ions
(b) free electrons
(c) Positive ions
(d) Positive and negative ions
(27) In which of following appliances, the heating effect of electric current is employed ?
(a) Electric motor
(b) Generator
(c) Transformer
(d) Fuse
(28) Equivalent resistance of a parallel connections of resistors is ___.
(a) smaller than the smallest resistance
(c) larger than the largest resistance
(b) summation of all resistance
(d) an average of all resistance
(29) If an electric lamp glows on 2.5V, drawing 500mA current, the power consumed will be ___ Watt.
(a) 125
(b) 0.125
(c) 1.25
(d) 12.5
(30) Which scientist tried to obtain large voltages by connecting 2000 cells in series connection ?
(a) Volta
(b) Hmphy Davy
(c) Adison
(d) Ohm
(31) 5Ω, 10Ω and 15Ω resistance connected in paralle, the equivalent resistance of the circuit is ___.
(a) more than 15Ω
(b) more than 30Ω
(c) equal to 30Ω
(d) less than 5Ω
(32) The temperature of mercury is 4.2K, its resistance will be approximately ___.
(a) 4.2Ω
(b) 42Ω
(c) infinite
(d) zero
(33) In our car, the negative electrode of 12 V battery has potential of ___ V.
(a) 0V
(b) 6V
(c) infinite
(d) 12V
(34) How much current will flow in an electric heater connected to a 220V line, if its resistance is 50 Ω ?
(a) 4.4A
(b) 50A
(c) 0.44A
(d) 44A
(35) Who gave the law of electroplating ?
(a) Faraday
(b) Volta
(c) Ampere
(d) Ohm
(36) The resistivity of the conductor ___
(a) inreases with increases in temperature
(b) increase with decreases in temperature
(c) decreases with increase in temperature
(d) remains constant with temperature
(37) Which scientist established the relation between voltage (V) of battery and current (I) passing though the circuit?
(a) Volta
(b) Humphy Davy
(c) George Ohm
(d) Adison
(38) To obtain electric current in a conductor, it is necessary ___
(a) to attract electrons
(c) to produce free electron
(b) the electron should flow
(d) the electrons should flow in one direction
(39) 120 C amount of charge is passing through the cross-sectional area of
conductor in 2 minutes, then the currect through this conductor is ___ A.
(a) 60
(b) 1
(c) 120
(d) 2
(40) In an electric circuit 40W, 60W and 100W bulbs are connected in series, so
voltage drop is maximum across ___ bulb.
(a) None of these
(b) 100W
(c) 40W
(d) 60W
(41) What is the unit of resitance ?
(a) Coulmob
(b) Volt
(c) Ohm
(d) Ampere
(42) According to Ohm's law ___
(a) the resistance increases as current.
(b) the resistance increases as voltage increases.
(c) current increases as voltage increases.
(d) current increases as resistance increases.
(43) On what factors does the heat generated due to electric current depend ?
(a) None of these
(b) The value of the resistance
(c) On both the value of resistance as well as current
(d) The value of the electric current
(44) Volt x Ampere is a unit for which quantity ?
(a) Electric current
(b) Power
(c) Work
(d) Resistance
(45) The heat energy dissipated by a conductor is ___
(a) inversely proportional to the square of the current flowing through the conductor
(b) directly proportional to the square of the current
flowing through the conductor
(c) directly proportional to the current flowing
(d) inversely proportional to the current flowing
through the conductor
through the conductor
(46) In nature of (V) ----> (I) graph in Ohm's law is ___
(a) Straight line
(b) None of these
(47) The work of a fuse is ___
(c) Circular
(d) Parabolic
(a) based on the chemical effect of electric current
(c) to regulate the voltage in a circuit
(b) based on the heating effect of electric current.
(d) to regulate the current in a circuit.
(48) Who discovered electrons ?
(a) Thomson
(b) Ampere
(c) Volta
(d) Coulomb
(49) Silicon is a ___
(a) Semiconductor
(b) Conductor
(c) Superconductor
(d) Insulator
(50) Ressistivity of a semiconductor ___
(a) remains constant with temperature
(b) decreases with increase in temperature.
(c) increases with increase in temperature
(d) increases with decrease in temperature
(51) The net amount of charge that passes through an area of the conductor per unit time is know as ___
(a) electric charge
(b) electric potential
(c) electric current
(d) resistance
(52) Which one of the following statement is wrong for parallel connection of resistance ?
(a) This connection reduces the power loss
(b) If anyone of the resistor gets damaged, current
will not flow through the other resistor.
(c) Voltage is not same across the two ends of every resistance
(d) Current passing through each resistors is inversely proportional to its resistance
(53) Which letter is use to denote resistance ?
(a) I
(b) Q
(c) R
(d) V
(54) At a point in an electric field, the electrical potential energy per unit charge is called ___ at that point.
(a) electric charge
(b) electric current
(c) none of these
(d) electric potential
(55) In which of following appliances the heating effect of electric current is not employed ?
(a) Electric fan
(b) Toaster
(56) Who invented a simple cell ?
(c) Electric iron
(a) Volta
(d) Electric heater
(b) Faraday
(c) Coulomb
(d) Ampere
(57) Two electric lamps 40 W and 60 W are joined in parallel, what will be total power consumed?
(a) 40 W
(b) 50 W
(58) The unit of power is ___
(c) 24 W
(a) Volt
(d) 100 W
(b) Joule
(c) Ampere
(d) Watt
(59) A 100 W lamp is kept on for 2 hours, how many units of energy will be consumed ?
(a) 200 unit
(b) 0.2 unit
(c) 20 unit
(d) 2 unit
(60) 0.5 A current flows through a conducting wire when 4V is applied across it, what will be the resistance of the
conducting wire ?
(a) 2Ω
(b) 4Ω
(c) 0.5Ω
(d) 8Ω
(61) Which law can explain the interaction between the electric charges ?
(a) Ohm's law
(b) Newton's law
(c) Faraday's law
(d) Colomb's law
(62) Equivalent resistance of a series connection of resistance is ___.
(a) an average of all resistance
(c) none of these
(b) larger than the target resistance
(d) smaller than the smallest resistance
(63) When three resistance each of RΩ are connected in parallel. The equivalent resistance is 10Ω. What is the value
of R ?
(a) 20Ω
(b) 10Ω
(c) 5Ω
(d) 30Ω
(64) If a current of 5 mA passes through a resistance of 2200 Ω, what will be volate drop across it ?
(a) 0.011V
(b) 1.1V
(c) 0.11V
(d) 11V
65. How much electric charge is present on an electron?
a)-6.25 X 10-19 C
b) -1.6 X 10-19 C
c) 1.6 X 10-19 C
d) -1.6 X 10-18 C
66. How many electrons are present in 1 coulomb electric charge?
a) 6.25 X 1019
b) 6.25 X 1018
c) 1.6 X 1019
d) 1.6 X 1018
67. How many number of electrons will be there in 1.6 C charge?
a) 1017
b) 1018
c) 1019
d) 1020
68. Which of the following materials has more number of free electrons?
a) copper
b) glass
c) rubber
d) iron
69. 1 A = ______mA
70. 1 mA = _______A
a) 10-16
a) 103
71. 1 A = ______mA
a) 10-6
72. The formula for an electric current is _________
a) I = Qt
b) I =
Q
t
b) 10-3
c) 103
d) 106
b) 10-3
c) 10-6
d) 106
b) 10-3
c) 103
d) 106
c) I =
t
Q
d) I = W.t
73. The amount of 2A electric current is passed for 1 minute through a conducting wire. How much total electric
change will pass through this wire?
a) 2 C
b) 30 C
c) 60 C
d) 120 C
74. If 4.8 A current is passed through an electrical appliance , then the number of electrons passing through it in 1
second will be
a) 0.33 X 1019
b) 3.3 X 1019
c) 3 X 1019
d) 4.8 X 1019
75. Which of the following formulae represents the voltage?
a)
Work
CurrentXTime
b)
WorkXTime
Current
c) work X electric charge
d)work X electric charge X Time
76. The unit of electric potential difference is _____
a) J
b) J/ C
c) JC
d) C/J
77. What is the main principle involved in Voltaic cell?
a) conversion of hear energy to electrical energy
c) conversion of electric energy to chemical energy
b) conversion of chemical energy to electrical energy
d) conversion of chemical energy to heat energy
78. Which scientist joined 2000 cells to get larger voltage?
a) Volta
b) Humphry Davy
c) Faraday
d) Ampere
79. Which of the following is the correct symbol for battery?
a)
b)
c)
d)
80. Which of the following represents Ohm’s law?
a) I = V.R
b) I =
R
V
c) I =
V
R
d) I = Q.t
81. On which factors does the resistivity of conducting wire depend?
a) length of wire
b) area of cross section of wire c) volume of wire
d) material of wire
82. The SI unit of resistivity of conducting wire depend?
a) length of wire
b) Area of cross section of wire c) volume of wire
d) material of wire
83. The SI unit of resistivity of the material is ______
a) 
b)  m
c)

m
d)
m

84. Equivalent resistance of a parallel connection of resistors is _____
a) smaller than the smallest resistance
b) larger than the largest resistance
c) an average of all resistance
d) summation of all resistances
85. If the five equal pieces of (cut from ) a resistance wire having 5 resistance are connected in parallel, then their
equivalent resistance will be ________
1
a) 
5
b) 1 
c) 5
d) 25
86. According to Joule’s law, Heat energy (H) = _______
a) IRt
b) IRt2
c) I2R2t
d) I2Rt
87. 1 k Wh = _____ J
a) 3.6 X 106
c) 3.6 X 10-6
d) 3.6 X 10 -3
c) Electric current
d) Electric potential
b) 3.6 X 103
88. Which physical quantity has a unit of kWh?
a) Work
b) Electric power
89. An electric heater consumes 1.1 kW power when 220 V voltage is applied to it. How much current will be flowing
through it?
a) 1.1 A
b) 2.2 A
c) 4 A
d) 5 A
90. What makes the electric current to flow through an electrolyte?
a) only free electrons
b) only positive ions
c) only negative ions
d) positive and negative ions
91. The distilled water acts as _________ for the electricity.
a) a conductor
b) an insulator
c) a semi conductor
d) none
92. Which of the following is the formula to find the chemical equivalent of metal?
a)
𝑚𝑜𝑙𝑒𝑐𝑢𝑙𝑎𝑟 𝑚𝑎𝑠𝑠
𝑎𝑡𝑜𝑚𝑖𝑐 𝑚𝑎𝑠𝑠
b)
𝑚𝑜𝑙𝑒𝑐𝑢𝑙𝑎𝑟 𝑚𝑎𝑠𝑠
𝑣𝑎𝑙𝑒𝑛𝑐𝑦
c)
𝑎𝑡𝑜𝑚𝑖𝑐 𝑛𝑢𝑚𝑏𝑒𝑟
𝑣𝑎𝑙𝑒𝑛𝑐𝑦
d)
𝑎𝑡𝑜𝑚𝑖𝑐 𝑚𝑎𝑠𝑠
𝑒𝑙𝑒𝑐𝑡𝑟𝑖𝑐 𝑐ℎ𝑎𝑟𝑔𝑒
93. From the listen electrical devices , which of these releases heat energy that not appreciated?
a) electric motor
b) electric heater
c) oven
d) water heater
94.
95.
96.
SARVAYOGAM SCHOOL
Standard : 10 : SCIENCE [ lesson – 5] Magnetic effects of electric current
Q.1 Choose the correct. [Marks : 50]
(2) Which of the following is not true for alternating current ?
(a) It can be transmitted over longer distances
without much loss of energy.
(b) AC current is obtained from a battery.
(c) It is easy to produced AC current
(d) The production of AC current is cheaper
(4) Which colour of wire used for earthing ?
(a) Red
(b) Green
(c) Black
(d) White
(5) Which type of connection is there in the electric circuits of homes ?
(a) mixed
(b) series
(c) parallel
(d) None of these
(6) What is the nature of current obtained by a battery ?
(a) DC and AC both
(b) DC
(c) depends on type of battery
(d) AC
(7) If a current carrying straight conductor wire is placed perpendicular in magnetic field, then force acting on it is _
(a) infinite
(b) zero
(c) maximum
(d) none of these
(8) Which instrument is used to find the presence of magnetic field ?
(a) Voltmeter
(b) Ameeter
(c) Magnetic needle
(d) GAlvanometer
(9) Which colour of insulated cover wire is used as a positive or live wire ?
(a) Black
(b) Green
(c) Orange
(d) Red
(10) How DC current changes with time ?
(a) increases
(b) decreases
(c) none of these
(d) remains constant
(11) In which of the following case, electric current is not induced in a loop ?
(a) When the loop is moved in the direction of magnet
(b) When the loop and magnet are moved in the opposite direction with uniform speed
(c) When the loop and magnet are moved in same
direction with uniform speed
(d) When the magnet is movd in direction of loop
(12) In a short circuit ___.
(a) the whole electric circuit damaged
(b) nothing happens
(c) a fire takes place due to large amount of heat produced
(d) large amount of heat energy produced
(14) In an electric iron, electric energy is converted in ___ energy.
(a) chemical
(b) mechanical
(c) heat
(d) light
(15) When current is passed in a conductor, the magnetic field produced is ___.
(a) around the current in circular way
(b) in opposite direction of current
(c) perpendicular to the direction of current
(d) in direction of current
(16) Which scientist showed that electric current can be obtained with the help of magnetic field ?
(a) Michael Faraday
(b) Oersted
(c) Coulomb
(d) Ampere
(17) On which principle does an electric generator works ?
(a) conversion of electric energy into light energy
(b) conversion of electric energy into mechanical energy
(c) conversion of electric energy into heat energy
(d) conversion of mechanical energy into electrical
energy electric energy into
(18) The metal which is used in making fuse should have ___.
(a) high boiling point
(b) law melting point
(c) law boiling point
(20) Which device converts electric energy into mechanical energy ?
(d) high melting point
(a) Solenoid
(b) Electric Motor
(c) Electric generator
(d) Electric Iron
(21) The magnetic field in the centre of the loop is ___ to the radius of the loop.
(a) inversely proportional to the square
(c) directly proportional to the square
(b) directly proportional
(d) inversely proportional
(22) The electricity we use in our homes is the conversion of which form of energy ?
(a) Chemical energy
(b) Potential energy
(c) Mechanical energy
(d) Kinetic energy
(23) What is the value of current of electrical circuit used in washing machine or fridge ?
(a) 2A
(b) 15A
(c) 6A
(d) 10A
(24) On which factor is direction of magnetic field produced due to a linear current carrying conductor depends on
(a) Length of conductor
(b) Value of electric current
(c) Direction of electric current (d) Material conductor
(25) A coil of many turns of wire wrapped in the shape of cylinder in called as ___.
(a) Solenoid
(b) Resistance
(c) None of these
(d) Capacitor
(27) If there is relative motion between magnet and loop, then the potential differece induced in loop is called ___.
(a) induced current
(b) self-induced electromotive force
(c) induced electromotive force (d) none of these
(28) What is a black coloured insulated wire called ?
(a) Positive wire
(b) Earthing wire
(c) Live wire
(d) Neutral wire
(29) Which of the following appliances do not used earthing ?
(a) Table fan
(b) TV
(c) Toaster
(d) Electric Iron
(30) What is the type of current coming in our homes ?
(a) DC current
(b) DC and AC both
(c) None of these
(d) AC current
(31) Where is the magnetic field maximum around the solenoid ?
(a) from the point on centre of solenoid and awayfrom its end
(b) near the end of solenoid
(c) at the point on the axis perpendicular to the
(d) at infinite distance from solenoid
axis of solenoid
(32) Magnetic field produced by current in a coil is ___ to the current flowing from a conductor.
(a) directly proportional
(b) inversely proportional
(c) directly proportional to the square
(d) inversely proportional to the square
(33) The frequency of electric current in our homes is ___ Htz.
(a) 50
(b) 220
(c) 230
(d) 60
(34) The direction of current in each turn in same in a solenoid and so magnetic field due to the current in each turn
will be ___.
(a) multiplied
(b) subtracted
(c) added
(d) divided
(35) Which type of metal is used in making a fuse wire ?
(a) Mixture of Silver and Copper (b) Aluminium (c) Mixture of Silver and Tin (d) Mixture of Copper and Tin
(36) Which appliances used circuit of 5A current ?
(a) Airconditioner
(b) Fridge
(c) Electric Motor
(d) Bulb
(37) Who gave the principle of electromagnetic induction ?
(a) Ampere
(b) Faraday
(c) Volta
(d) Oersted
(38) Which device is formed by a commutator and a loop ?
(a) Inductor
(b) Solenoid
(c) Resistance
(d) Armature
(39) How the magnetic field changes with distance when it is moved away from the conductor ?
(a) remains constant
(b) none of these
(c) increases
(40) On what factor dos the induced electromotive force depends on ?
(a) none of these
(b) only on number of turns of loop
(d) decreases
(c) both on number of turns of loop and rate of
change in magnetic field lines
(d) only on the rate of change in magnetic field lines
(41) Magnetic field produced due to a current carrying conductor is ___ to the
electric current flowing from the conductor.
(a) directly proportional
(b) inversely proportional to the square
(c) inversely proportional
(d) directly proportional to the square
(42) The direction of magnetic field lines for a bar magnet is taken ___.
(a) N to S
(b) entering both the poles
(c) S to N
(d) coming out of both poles
(43) On which principle, fuse works on ?
(a) magnetic effect of electric current
(b) heating effect of electric current
(c) chemical effect of electric current
(d) none of these
(44) In a tubelight, electric energy is converted in ___ energy.
(a) light
(b) chemical
(c) mechanical
(d) heat
(45) Who was the first person to notice the magnetic effect of electric current?
(a) Ampere
(b) Oersted
(c) Volta
(d) Faraday
(46) The direction of magnetic field for a bar magnet is taken ___.
(a) S to N
(b) N to S
(c) entering both the poles
(d) coming out of both poles
(47) In USA, electric voltage used are ___ and frequency is ___.
(a) 110 V, 60 Hz
(b) 110V, 50 Hz
(c) 220 V, 60 Hz
(d) 220 V, 50 Hz
(48) What is the frequency of 12V, DC ?
(a) 50 Hz
(b) 12 Hz
(c) 0 Hz
(d) 220 Hz
(49) Which law is used to decide the direction of force acting on a current carrying conductor kept in a magnetic field
?
(a) Joule's law
(b) Fleming's left hand rule
(c) Ampere's law
(d) Right hand rule
(50) Which of the following is the appropriate answer for magnetic field around
a current carrying wire having infinite length ?
(a) is same everywhere
(b) inversely proportional to the square of the distance from wire
(c) inversely proportional to the distance from wire
(d) directly proportional to distance from wire
51. By which instrument can the presence of magnetic field be determined?
a) voltmeter
b) ammeter
b) galvanometer c) magnetic needle
52. The magnetic field produced in a straight conducting wire on passing the current through it is ____
a) in the direction of current
b) in the direction opposite to the current
c) circular around the wire
d) in the direction parallel to the wire
53. Whose magnetic field is like a magnetic field of a bar magnet?
a) current carrying wire
b) current carrying ring
c) current carrying solenoid
d) current carrying rectangular loop
54. What does the centre figure show in Fleming’s left hand rule?
a) force
b) magnetic field
c) electric current
d) none of these
55. How is the current carrying wire placed in a magnetic field so that magnetic field does not act on it?
a) parallel to magnetic field
b) perpendicular to magnetic field
c) at an angle of 450 with magnetic field
d) at an angle of 1200 with magnetic field
56. Which instrument is used to know the presence of an electric current?
a) fuse
b) galvanometer
c) voltmeter
d) magnetic needle
57. The magnitude of an AC voltage used in India is __________ and its frequency is ________
a) 110V , 60 Hz
b) 110V, 50 Hz
c) 220 V , 50 Hz
d) 220 V , 60 Hz
58. In which of the following appliances electric motor is not used?
a) mixer
b)electric bell
c) electric fan
d) washing machine
59. Which colour of insulation is not used for domestic electric circuits wire?
a) red
b) black
c) green
d) yellow
60. Which of the following statements is not for AC (Alternative current) ?
a) it is comparatively easier to produce AC. b) The production of AV is relatively cheaper.
c) There is lot of loss of electricity
d) There is less loss of electricity
SARVAYOGAM SCHOOL
Standard : 10 : SCIENCE [ lesson – 6 ] Universe
Q.1 Choose the correct. [Marks : 50]
(1) What is the diameter of milky way ?
(a) 50,000 light years
(b) 1 lac light years
(c) 20,000 light years
(d) 30,000 light years
(2) Which is the second largest planet of solar system ?
(a) Venus
(b) Uranus
(c) Saturn
(d) Neptune
(3) The star rises how much minutes before the previous day ?
(a) 6 minute
(b) 2 minute
(c) 8 minute
(4) Which is the largest moon of solar family ?
(d) 4 minute
(a) Mimas
(b) Titan
(c) Phobos
(d) Dimos
(6) Which gas is not present in structure of Jovin planets ?
(a) Hydrogen
(b) Ammonia
(c) Carbon dioxide
(d) Helium
(7) Which is the nearest planet of solar system ?
(a) Earth
(b) Mercury
(c) Mars
(d) Jupiter
(8) Which of the following statement is not true for the planet Venus ?
(a) Sun rises from west in it
(b) It has one moon
(c) It's orbit is more circular
(d) It has one satellite
(9) Far from Pluto, there is a group of about millions of celestial objects, which is known as ?
(a) Terrestrial cloud
(b) None of these
(c) Urt cloud
(d) Jovian cloud
(10) Most of the stars in the elliptical galaxy are of which colour ?
(a) White
(b) Blue
(c) Indigo
(d) Red
(11) What is the size of Uranus compared to that of earth ? (a) 1400
(12) Which was the first artificial satellite of world ?
(a) Sputnik
(13) What is the diameter of Uranus compared to that of earth ?
(b) 64
(b) Rohini
(c) 1200
(d) 850
(c) Aryabhatt
(a) 2
(b) 2.3
(14) By which constituents solar system is made up ? (a) Energy (b) None of these
(d) Landsat
(c) 3
(c) Mass (d) Mass and energy
(16) How much percentage of the total mass in the solar system is contained by the sun ?
(a) 98%
(b) 96%
(c) 97%
(17) Which planet is known as dark planet ?
(d) 99%
(a) Pluto
(b) Jupiter
(c) Saturn
(d) Uranus
(18) For how much time, sun remains in each nakshatra ?
(a) 1 month
(b) 13.5 days
(c) 12.5 days
(d) 1 day
(20) Which of following planet is a Jovian planet ?
(a) Mars
(b) Venus
(c) Uranus
(d) Jupiter
(21) Which gas is mainly present in the atmosphere of mars ?
(a) Nitrogen
(b) Carbon dioxide
(c) Methane
(d) Oxygen
(22) At what height, PSLV can project a satellite of 1000 kg in a poler orbit ?
(a) 2000 km
(b) 35786 km
(c) 1500 km
(d) 3.7
(d) 900 km
(23) Which rocket has the ability to project a satellite in a geostationary orbit ?
(a) GSLV
(b) SLV
(c) PSLV
(d) PSLV-II
(24) What is the colour of rings around Uranus ?
(a) Blue
(b) Brown
(c) Ash
(d) Red
(25) The composition of Jovian Planets is similar to which planet ?
(a) Uranus
(b) Jupiter
(c) Neptune
(d) Saturn
(26) On which planet sun is seen rising from west ?
(a) Earth
(b) Venus
(c) Mars
(d) Jupiter
(27) For how much time, moon remains in each nakshatra ?
(a) 1 month
(b) 1 year
(c) 1 day
(d) 1 hour
(29) Which was the first artificial satellite India launched in space ?
(a) Aryabhatt
(b) Rohini
(c) IRS
(d) Insat
(30) Which planet of solar system has the largest moon ?
(a) Saturn
(b) Uranus
(c) Jupiter
(d) Mars
(31) Which artificial satellite India launched using a rocket in space ?
(a) Aryabhatt
(b) Rohini
(c) Sross
(d) Edusat
(32) In which year, Halley's comet will be seen again ?
(a) 2072
(b) 2062
(c) 2052
(d) 2082
(33) Which satellite used for geographical survey ?
(a) IRS
(b) Rohini
(c) METSAT
(d) CARTOSAT
(34) Which of the following is a star ?
(a) Phobos
(b) Comet
(c) Asteroid
(d) Sun
(35) How much times is size of Saturn compared to that of earth ?
(a) 64
(b) 1400
(c) 850
(d) 1200
(36) Remote sensing satellites of India visit any location on the earth at interval of ___ days.
(a) 21 days
(b) 27 days
(c) 25 days
(d) 16 days
(37) Why are sunspots see in photosphere ?
(a) Because of presence of black liquid
(b) Because of low temperature in that region
(c) None of these
(d) Because of high temperature in that region
(38) What is the colour of star having highest surface temperature ?
(a) Yellow
(b) Red
(c) Blue
(d) White
(39) Total how many rocket engines are present in a space shuttle ?
(a) 3
(b) 5
(c) 4
(d) 2
(40) Triton and Nerid are moons of which planet ?
(a) Neptune
(b) Mars
(c) Pluto
(d) Saturn
(43) What is the approximate temperature of core region of the sun ?
(a) 6000 K
(b) 1.5 crore K
(c) 6000 C
(44) How many rings does Neptune have ?
(a) 5
(b) 4
(c) 9
(d) 3
(45) How is the density compared to of the Jovian planets ?
(a) Infinite
(b) More
(c) Zero
(d) Less
(46) Which planet is completely made up of hydrogen gas ?
(a) Venus
(b) Jupiter
(c) Pluto
(47) Which of the following planet is not a Jovian planet ?
(d) Saturn
(d) 1.5 crore C
(a) Saturn
(b) Uranus
(c) Mars
(d) Neptune
(48) How many rings are meaning present around Saturn ?
(a) One
(b) Three
(c) Four
(d) Two
(49) What is the colour of star having lowest surface temperature ?
(a) Yellow
(b) Red
(c) White
(d) Blue
(50) Which of the following statement is true for a terrestrial planets ?
(a) The cores of these planet are composed of nickel iron elements and have thin layer of crust
(b) Their structures are similar to hat of the earth
(c) All of these
(d) They have very few satellites
(51) How many of asteroids are there approximately ?
(a) 4,000
(b) 50,000
(c) 1 lakh
(d) 2 lakh
(52) At what distance is sun away from the centre of milky way (galactic
(a) 15,000 light year
(b) 30,000 light year
centre) ?
(c) 1 lack light year
(d) 20,0000 light year
(53) Which is the bluish planet ?
(a) Mars
(b) Pluto
(c) Jupiter
(d) Neptune
(54) Which of the following planet is not a terrestrial planet ?
(a) Venus
(b) Jupiter
(c) Mercury
(d) Mars
(55) Crown type part during solar eclipse is known as ___.
(a) sunspot
(b) photosphere
(c) chromospheres
(d) corona
(56) The liquid fuel used in rocket is ___.
(a) Petrol
(b) Highly refined kerosene
(c) Liquid Hydrogen
(d) LPG
(57) What is the diameter of ceres ?
(a) 100 Km
(b) 500 Km
(c) 400 Km
(d) 2000 Km
(58) What is the periodic time for Halley's comet ?
(a) 66
(b) 76
(c) 75
(d) 70
(59) What is the shape of our galaxy ?
(a) Irregular
(b) None of these
(c) Spiral
(d) Elliptical
(60) Which substance are present in the core region of Uranus ?
(a) Aluminium
(b) Magnesium
(c) Zinc
(d) Copper
(61) How is the orbit of Pluto ?
(a) Elliptical
(b) Circular
(c) None of these
(d) Highly Elliptical
(62) What is the bright layer around the sun known as ?
(a) Chromosphere
(b) Photosphere
(c) None of these
(d) Coroma
(63) Which planet is solar system support life ?
(a) Mars
(b) Jupiter
(c) Earth
(d) Saturn
(64) What is the height of a satellite to be launched in polar orbits from the surface of earth ?
(a) 3500 km
(b) 1000 km
(c) 35586 km
(d) 2000 km
(65) Which is the fifth planet of solar system ?
(a) Jupiter
(b) Mars
(c) Earth
(d) Venus
(c) Venus
(d) Uranus
(66) Which planet is raddish in colour ?
(a) Jupiter
(b) Mars
(67) Which satellite is used for weather forecasting ?
(a) METSAT
(b) INSAT
(c) IRS
(d) CARTOSAT
(68) What are the rocks who fail to form planets known as ?
(a) Moons
(b) Comets
(c) Shooting stars
(d) Asteroids
(69) How many moon dos mercury have ?
(a) 5
(b) 0
(c) 2
(d) 1
(70) Which of the following statement is not true for Jovian planets ?
(a) Rings are seen around them
(b) They are less dense
(c) They are relatively small in size
(d) They have relatively more amount of moons
(71) Which of the following is not a space shuttle ?
(a) Challenger
(b) Discovery
(c) Columbia
(d) PSLV
(72) Which region of the sun is known as chromosphere ?
(a) Below photosphere
(b) None of these
(c) Between photosphere and corona
(d) After corona
(73) What is the shape of a comet ?
(a) Elliptical
(b) Circular
(c) None of these
(d) Hyperbolic
(74) Which is the largest planet of solar system ?
(a) Uranus
(b) Jupiter
(c) Mars
(d) Saturn
(75) Which satellite India launched for countrywide classrooms and teleconferencing ?
(a) METSAT
(b) IRS series
(c) INSAT series
(d) Rohini
(76) How many moons does Saturn have ?
(a) 30
(b) 5
(c) 21
(d) 39
(77) With what speed the sun revolves around the centre of milky way (galactic centre) ?
(a) 250 m/s
(b) 150 km/s
(c) 250 km/s
(d) 150 m/s
(78) How much is the range of atmosphere on earth ?
(a) 80 Km to 100 Km
(b) 800 m to 1000 m
(c) 800 Km to 1000 Km
(d) 80 m to 100 m
(79) Who plays an important role to keep earth's water in liquid state ?
(a) wind energy
(b) water energy
(c) Geo thermal energy
(d) solar energy
(80) ___ astronomer gave the laws of planetary motion.
(a) Ptolemy
(b) Nicholas
(c) John Kepler
(d) Archmedes
(81) Which of the following is not a nakshatra ?
(a) Aries
(b) Taurus
(c) Capricorn
(d) Gemini
(82) In which months maximum number of meteors are seen ?
(a) August to November
(b) December to February
(c) None of these
(d) January to March
(83) Which gas is mainly present in atmosphere of Pluto ?
(a) Carbon dioxide
(b) Methane
(c) Nitrogen
(d) Oxygen
(84) Which is the space organization in India ?
(a) NASA
(b) ESA
(c) ISRO
(d) IPR
(85) Phobos is the moon of which planet ?
(a) Saturn
(b) Jupiter
(c) Mars
(d) Earth
(86) Most of the stars in the spiral galaxy are of which colour ?
(a) Blue
(b) Red
(c) Yellow
(d) White
(87) Rocket works on ___.
(a) Newton's second law of motion
(b) Newton's third law of motion
(c) Law of conservation of energy
(d) Combustion
(88) Sheron is the moon of which planet ?
(a) Saturn
(b) Pluto
(c) Mars
(d) Jupiter
(89) Which heavenly bodies are known as tailed star ?
(a) Asteroids
(b) Moons
(c) Meteors
(d) Comets
(90) How many moons does mars have ?
(a) 1
(b) 3
(c) 2
(d) 4
(91) What is the approximately diameter of sun ?
(a) 13,92,000 km
(b) 12,92,000 m
(c) 13,92,000 m
(d) 14,92,000 km
(92) How many rings are there around Uranus ?
(a) 5
(b) 9
(c) 8
(d) 3
(93) With the help of which satellite, information can be obtained on mineral resources present in earth's crust ?
(a) CARTOSAT
(b) IRS series
(c) INSAT series
(d) METSAT
(94) Which satellite is used for astronomical observations ?
(a) Insat
(b) CARTOSAT
(c) METSAT
(d) Rohini
(95) Which of the following is not a member of solar system ?
(a) Shooting stars
(b) Artificial satellite
(c) Stars
(d) Aseroid
(96) Which of the following planet is a terrestrial planet ?
(a) Saturn
(b) Jupiter
(c) Earth
(d) Pluto
(97) Which scientist showed that galaxies recede away from each other ?
(a) Edwin Hubble
(b) Joh Kepler
(c) William Hubble
(98) How many planets can be seen with naked eyes ?
(99) How many rings does Neptune have ?
(a) 4
(a) 4
(d) Nicholas Copernicus
(b) 5
(b) 3
(c) 6
(d) 7
(c) 9
(d) 5
(100) Which planet has almost same rotation time as well as revolution time ?
(a) Neptune
(b) Venus
(c) Uranus
(d) Mercury
(101) What height from the surface of earth, the orbits of artificial satellites are called geostationary orbits ?
(a) 36,786 km
(b) 3500 km
(c) 3570 km
(d) 35,786 km
(102) Solid fuel used in rocekt is ___.
(a) Plastic
(b) Mineral coal
(c) Urea
(103) Which metals are not present in an asteroids ?
(104) Which is the largest asteroid ?
(d) Ammonium nitrate
(a) Copper
(a) Ceres
(b) Platinum
(b) Phobos
(105) What is the approximate diameter of vesta ?
(a) 1000 Km
(c) Calcium
(c) Demos
(b) 500 Km
(d) Gold
(d) Vesta
(c) 400 Km
(d) 1500 Km
(106) How much times is Jupiter bigger compared to the size of earth ?
(a) 1200
(b) 1300
(c) 1500
(d) 1400
(107) Which is the brightest planet in our solar system ?
(a) Venus
(b) Mars
(c) Jupiter
(108) In which year, Hellbopp's comet was last seen ?
(d) Saturn
(a) 1986
(b) 1997
(c) 2001
(d) 1999
(109) Which one of the following is not a natural satellite ?
(a) Sheron
(b) Aryabhatt
(c) Demos
(d) Tritan
(110) Due to which phenomena, radiations are produced from stars ?
(a) Combustion
(b) Nuclear fission
(c) Thermonuclear fusion
(111) How many planets are discovered with the help of a telescope ?
(a) 4
(d) None of these
(b) 3
(c) 1
(d) 2
(112) Why there is ice on pole of Mars ?
(a) Because of water
(b) Because of solid carbon dioxide
(c) None of these
(d) Because of rivers
(113) Due to presence of which gas for earth atmosphere, ultraviolet waves cannot reach the surface of earth ?
(a) Carbon dioxide
(b) Ozone
(c) Nitrogen
(d) Oxygen
(114) Due to which heavenly body, a streak of light is seen in sky ?
(a) Asteroids
(b) Meteors
(c) Satellite
(115) Orbits of how many comets are determined so far ?
(d) Comet
(a) 700
(b) 800
(c) 750
(d) 650
(116) Approximately, at how much distance sun from the centre of Akash ganga ?
(a) 30,000 lakh km
(b) 30,000 km
(c) 30,000 light years
(d) 30,000 miles
(117) By which other name Pluto is recognised ?
(a) Terrestrial planet
(b) Shooting star
(118) Who discovered Uranus ?
(c) None of these
(a) Edvin Hubble
(119) What is the diameter of milky way ?
(d) Jovian planet
(b) Gelilio
(c) John kepler
(a) 1 lac light years (b) 10 lac km
(d) William Harshall
(c) 1 lac km (d) 20,000 light years
(120) Nakshatra is obtained by dividing the ecliptic of the celestial sphere in how many equal parts ?
(a) 27
(b) 13
(c) 20
(d) 30
(121) Orbits of how many asteroids are determined so far ?
(122) What is the outer layer of earth made up ?
(a) 4000
(a) Silicate
(b) 3000
(b) Aluminium
(123) Which one of the following is not an artificial satellites ?
(a) Insat
(c) 1000
(c) Iron
(b) Phobos
(d) 2000
(d) Magnesium
(c) Rohini
(d) Sross
(124) Which task dos a space shuttle performs ?
(a) To perform various scientific experiments and
observations in space
(b) Relaunching of the satellite after maintenance
(c) To launch an artifical satellite in space
(d) All of these
125. The full form of NASA is ______________
a) National Aeronautic and space academy
b) National academy and space academy
c) National aeronautics and sound academy
d) national aeronautics and space administration
126. Who gave earth centred’ or ‘geocentric’ model regarding the universe?
a) Nicholas Copernicus b) Ptolemy
127. What is the periodic time of sun spots ?
c) Galileo
d) John Kepler
a) 11 years b) 12 years
c) 13 years
d) 14 years
128. Which of the following options represents Einstein’s energy mass equation?
a) E = m2c
b) E = mc2
c) E =
1
2
mc2
d) E = m2c2
129. Matter in the core region of the sun is in ______ state.
a) solid
b) liquid
130. Poles of Mars are covered by ________
c) gaseous
a) dry ice
131. What is the approximate number of asteroids?
a) 9
132. What is the periodic time of Halley’s comet in years?
133. How many kilometers equal to 1 light year?
d) plasma
b) water ice
b) 102
a) 67
a) 3 X 108 b) 9.46 X 1011
c) nitrogen
d) iron
c) 105
d) 1011
b) 76
c) 86 d) 96
c) 9.46 X 1012
d) 1011
134. How many metres equal to 1 light year?
a) 9.46 x 108
b) 9.46 X 1010
c) 9.46 X 1012
d) 9.46 X 1015
135. How many galaxies are approximately present in the universe?
a) 105
b) 108
c) 1011
d) 1022
c) on the diameter
d) on the surface
136. Black holes are found _________ of most galaxies.
a) on the circumference
b) at the centre
137. The slowest observed pulsar has period of ________ second.
a) 2
b) 4
c) 6 d) 8
138. _______ was the first person to land on the moon.
a) Yuri Gagarin
b) Alexei Leonov
c) Kalpana Chawla
d) Neil Armstrong
140. The minimum required speed is _________ to revolve the satellite around the earth in orbit.
a) 8 km/ hr
b) 8 km/ min
c) 8 km / s
d) 80 km / s
141. What is the full form of ISS?
a) International space spot b) international sport space c) international space station d) imperial space station
142. PSLV is for launching ______ kg class of remote sensing satellite?
a) 1000 – 2000
b) 500 – 1000
c) 1000 – 1500
d) 1500 – 2000