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Showing posts with label General Science Quiz. Show all posts
Showing posts with label General Science Quiz. Show all posts

Wednesday, October 25

[Quiz] Science Physics - Magnetism - Free Online Tests - 9

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Subject
Science

Exam Portions
Physics - Magnetism
Science Physics- Free Online Tests - 9
No of Questions
20
Duration
10 Min
Difficulty Level
Easy
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  1. Chinese know the property of magnet since
    1.  1100 AD
    2.  1000 BC
    3.  1100 BC
    4.  2000 BC

  2. Magnetic compass was used by chinese since
    1.  1100 AD
    2.  1000 BC
    3.  2000 BC
    4.  1100 BC

  3. Who told that earth behaves as a giant bar magnet
    1.  Gilbert
    2.  Albert einstein 
    3.  Newton
    4.  Johannes Kepler

  4. Earth's magnetic field extends to a height of
    1.  2 times the radius of earth
    2.  3 times the radius of earth
    3.  4 times the radius of earth
    4.  5 times the radius of earth

  5. Choose the correct answer
    1.  Earth's magnetism is also due to the electric currents of the earth
    2.  Earth's magnetism is also due to the radiation of the sun
    3.  Earth's magnetism is also due to the action of the moon
    4.  All the above are correct

  6. Magnetic length is ______ the geometric length
    1.  always more than
    2.  less than
    3.  more than
    4.  equal to

  7. Magnetic poles exists in
    1.  Single
    2.  Neither Single nor Pairs
    3.  Single or Pairs
    4.  Pair

  8. Unit of Pole Strength
    1.  ampere metre
    2.  ampere metre square
    3. Weber
    4.  Tesla

  9. Unit  of magnetic dipole
    1. Weber
    2.  ampere metre
    3.  ampere metre square
    4. Tesla

  10. Curie Temperature is a transition temperature at which
    1.  ferromagnetic become diamagnetic
    2.  ferromagnetic become paramagnetic
    3.  diamagnetic become ferro magnetic
    4.  paramagnetic become ferromagnetic

  11. Curie temperature for iron is ___ K
    1.  500
    2.  273
    3.  2000
    4.  1000

  12. Magnetic tapes uses
    1.  all the below
    2.  paramagnetic
    3.  diamagnetic
    4.  ferromagnetic

  13. Which of the below is not a ferromagnetic substance
    1.  Al
    2.  Fe
    3.  Co
    4.  Ni

  14. Which of the following is not a paramagnetic substance
    1.  Mn
    2.  Cr
    3.  Pt
    4.  Bi

  15. Which of the following is not a diamagnetic substance
    1.  Sb
    2.  Au
    3.  Hg
    4.  Cuso4

  16. In dia magnetic the net magnetic moment of  atoms is
    1.  One
    2.  Zero
    3.  Low Positive Value
    4.  Very Large

  17. Unit for Magnetic Suscptiblity
    1.  Tesla
    2.  Ampere
    3. Weber
    4.  No Unit

  18. Island of Magnesia is in
    1.  Greece
    2. China
    3.  India
    4. West Indies

  19. Non Uniform Magnetic field can be
    1.  Only Divergent
    2.  Only convergent
    3.  Convergent or divergent
    4.  parallel

  20. Direction of magnetic lines of force inside a magnet
    1.  North Pole to South Pole
    2.  South Pole to North Pole
    3.  Both a and b
    4. All are wrong
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Tuesday, May 12

[Quiz] Science Chemistry- Free Online Test - 2 (7th STD)

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Subject
Science - Chemistry

Exam Portions
Tamil Nadu Samacheer Kalvi 7th Std
Science - Chemistry Full
Science Chemistry Online Test Series No: 2
No of Questions
20
Duration
10 Min
Difficulty Level
Easy
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  1. Select the correct option based on the descending order of Inter-molecular space
    1.  Solid-Liquid-Gas
    2.  Gas-Liquid-Solid
    3.  Liquid-Gas-Solid
    4.  Liquid-Solid-Gas

  2. Select the correct option based on the ascending order of Inter-molecular force
    1.  Solid-Gas-Liquid
    2.  Liquid-Gas-Solid
    3.  Solid-Liquid-Gas
    4.  Gas-Liquid-Solid

  3. The value of  power in nanometer is
    1.  -9
    2.  9
    3.  3
    4.  -3

  4. Which of the following is the fourth state of matter
    1.  Plasma - a superheated Gaseous state
    2.  Solid
    3.  Liquid
    4.  Bose-Einstein condensate - super cooled Solids

  5. Which of the following is the fifth state of matter
    1.  Plasma - a superheated Gaseous state
    2.  Solid
    3.  Liquid
    4.  Bose-Einstein condensate - super cooled Solids

  6. While cutting vegetable a brown pigment melanin is formed due to the reaction of
    1.  Chlorophyll and Oxygen
    2.  Phenolic compound and Oxygen
    3.  Keratin and Oxygen
    4.  Sodium and Oxygen

  7. Which of the following is essential of rusting of Iron?
    1.  Oxygen
    2.  Water
    3.  Grease
    4.  Both A and B

  8. The plant in which the flowers blossom in different colour based on the acidity of the soil is
    1.  Hydrangea
    2.  Rose
    3.  Hybiscus
    4.  Balsam

  9. The Discolouration of Silver(Tarnishing) is due to the reaction of
    1.  Carbondioxide
    2.  Oxygen
    3.  Sulphur
    4.  Nitrogen

  10. Which of the following is known as the king of chemicals
    1.  Flurosulphuric Acid
    2.  Sulphuric Acid
    3.  Nitric Acid
    4.  HCL

  11. Which of the following is the known Strongest acid in the world
    1.  HCL
    2.  Sulphuric Acid
    3.  Nitric Acid
    4.  Flurosulphuric Acid

  12. Select the Wrong Pair
    1.  Vinegar - Acetic Acid
    2.  Tomato - Oxalic Acid
    3.  Ant - Formic Acid
    4.  Grapes - malic Acid

  13. A: Burning of Diesel releases Sulphur dioxide B: Burning of Petrol releases oxides of Nitrogen
    1.  Neither A Nor B is Correct
    2.  Both are Correct
    3.  Only A is Correct
    4.  Only B is correct

  14. Natural Gas is a mixture of
    1.  Ethane and Propane
    2.  Methane and Butane
    3.  Butane and Propane
    4.  Methane and Ethane

  15. LPG is a mixture of
    1.  Methane (15%) and Ethane (85%)
    2.  Methane (15%) and Ethane (85%)
    3.  Butane (15%) and Propane (85%)
    4.  Butane (85%) and Propane (15%)

  16. The gas which gives odour to the LPG is
    1.  ethyl oxide
    2.  ethyl mercapton
    3.  ethyl cyanide
    4.  ethyl acetete

  17. Gobar gas is a mixture of
    1.  Butane and Propane
    2.  Methane and Ethane
    3.  Methane and Butane
    4.  Ethane and Propane

  18. While burning a candle the hottest point will be having the ___ colour
    1.  Blue
    2.  Red
    3.  Yellow
    4.  White

  19. The combustion of white phosphorous is an example of
    1.  Rapid Combustion
    2.  Slow Combustion
    3.  Spontaneous Combustion
    4.  Incomplete Combustion

  20. The minimum temperature at which a particular fuel catches fire is
    1.  Critical temperature
    2.  ignition temperature
    3.  Sparking temperature
    4.  Burning temperature
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Wednesday, November 5

[Quiz] Science_Chemistry- Free Online Test - 1 (6th STD)

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Subject
Science - Chemistry

Exam Portions
Tamil Nadu Samacheer Kalvi 6th Std
Science - Chemistry FULL
Science Chemistry Online Test Series No: 1
No of Questions
20
Duration
10 Min
Difficulty Level
Easy
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  1. Which of the following are the non periodic changes?
    1.  Season
    2.  Earthquake
    3.  Tsunami
    4.  Earthquake and Tsunami

  2. A: Reaction in which heat is absorbed is said to be exothermic reaction B: Dissolution of glucose in water is an endothermic reaction
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A nor B is Correct

  3. A: Reaction in which heat is evolved is said to be exothermic reaction B: Dissolution of Detergent in water is an endothermic reaction
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A nor B is Correct

  4. Velcro, which is used in our footwear was invented by
    1.  Galileo
    2.  Neil bohr
    3.  Newton
    4.  George Mestral

  5. Which one among the following is a desirable change?
    1.  earthquake
    2.  tsunami
    3.  ripening of fruits
    4.  Curdling of Milk

  6. The method in which the pebbles are separated from sand is
    1.  evaporation
    2.  sieving
    3.  sedimentation
    4.  None of the above

  7. What is a supernatant liquid?
    1.  super cooled liquid
    2.  liquid collected during condensation
    3.  used to make glasses
    4.  Clear liquid above the sediment during sedimentation process

  8. Which of the following method is used  to separate dissolved solids from the liquid?
    1.  Evaporation
    2.  Sieving
    3.  Sedimentation
    4.  None of the above

  9. A: Common salt can only be obtained from sea water. B: One litre of Sea water contains about 3.5 grams of salt. C: Common Salt consists of more than 50 minerals
    1.  Both A and B are Correct
    2.  Neither A nor B is Correct
    3.  Only A is wrong
    4.  Only B is wrong

  10. Which of the following are the kind of Thermo setting plastics
    A:PET
    B:PVC
    C:Melamine
    D:Bakelite
    1.  A and B
    2.  C and D
    3.  A and C
    4.  B and D

  11. The important constituents of cement are
    1.  Lime Stone and Gypsum
    2.  Lime Stone and Clay
    3.  Clay and Gypsum
    4.  Lime stone, Clay and Gypsum

  12. The plastics that can be easily melt and softened by heating is
    1.  natural plastics
    2.  artificial plastics
    3.  thermo setting plastics
    4.  thermo plastics

  13. The plastics that cannot be melt and softened by heating is
    1.  natural plastics
    2.  artificial plastics
    3.  thermo setting plastics
    4.  thermo plastics

  14. Expand "PVC"
    1.  Poly Vernier Chlorine
    2.  Poly Vinyl Coating
    3.  Poly Vinyl Chlorine
    4.  Poly Vinyl Chloride

  15. A: Bakelite is a good conductor of electricity B: Bakelite is used in switches
    1.  Neither A nor B is Correct
    2.  Both A and B are Correct
    3.  Only B is wrong
    4.  Only A is wrong

  16. Which of the following substance is used in fire proof clothes?
    1.  PET
    2.  Melamine
    3.  PVC
    4.  Bakelite

  17. A: The harappan people were the first to use glass materials B: Glass is made up of silica Only
    1.  Only A is wrong
    2.  Only B is wrong
    3.  Both A and B are Correct
    4.  Neither A nor B is Correct

  18. Annealing is a process in which glass is cooled
    1.  gradually
    2.  quickly
    3.  very slowly
    4.  none of the above is correct

  19. A: Umbrella is made from material called PVC B: The chemical substance found in the cotton fibre is called cellulose
    1.  Both A and B are correct
    2.  Neither A nor B is Correct
    3.  Only A is wrong
    4.  Only B is wrong

  20. India Cement Ltd was started in India in the year
    1.  1910
    2.  1914
    3.  1931
    4.  1947
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Tuesday, October 28

[Quiz] Science Physics - Free Online Test - 8 (10th STD)

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TNPSC Free Online Test by TNPSC GURU.in
Subject
Science Physics

Exam Portions
Tamil Nadu Samacheer Kalvi 10th Std
Science
Physics Full
TNPSC Science Physics Test Series No: 8
No of Questions
10
Duration
10 Min
Difficulty Level
Easy
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  1. Select the Correct Option
      A: Force is a Scalar Quantity
      B: The SI Unit of Force is pascal
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct

  2. Select the Correct Option
      A: Astronomical distance is the minimum distance between the sun and the earth
      B: One Astronomical unit (AU)= 1.496 x 10^11 m
      C: Light year is the Distance travelled by light in one year in vacuum
      D: One Light Year = 9.467 x 10^15 m
    1.  All are Correct
    2.  Only A is Wrong
    3.  A and C are Correct
    4.  A, C and D are Correct

  3. Select the Correct Option
      A: Inertia is a tendency of an object to stay at rest or of uniform motion
      B: Inertia does not depends on the mass of the object
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct

  4. Select the Correct Option
      A: The direction of electric current is taken as the direction of the flow of electrons.
      B: The Unit of Electric Current is Ampere
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct

  5. What is the SI unit of Electric Charge
    1.  Watt
    2.  Volt
    3.  Ampere
    4.  Coulomb

  6. Chandrayaan - 1, India's first lunar mission was launched in the year
    1.  2004
    2.  2008
    3.  2010
    4.  2012

  7. Select the Correct Option
      A: Cryogenic hardening means heating the metal to very high temperature
      B: Cryogenic hardening increases the life of the metals.
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct

  8. Select the Correct Option
      A: Momemtum of an object is directly proportion to its velocity
      B: Momemtum of an object is indirectly proportion to its mass
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct

  9. Select the Correct Option
      A: The word 'Cryogenic' is derived from a Latin word
      B: Cryogenics is a study of material at very low temperature
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct

  10. Select the Correct Option
      A: Momemtum is a scalar quantity
      B: The SI Unit of Momentum is kilogram metre per second
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A Nor B is correct




Test 1 | Test 2 | Test 3 | Test 4 | Test 5 | Test 6 | Test 7 | Test 8 | 
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