TNPSC Science Online Test 14

1. 'James Chadwick' discovered

A. Atom
B. Electron
C. Neutron
D. Protron

2. 'Gargobind Khorana' is well-known for

A. Deciphering of genetic code
B. Discovery of penicillin
C. Heart transplantation
D. None of these

3. 'Einstein' was a/an

A. American
B. French man
C. English man
D. None of these

4. 'Euclid' is associated with

A. Law of Heredity
B. Atomic Theory
C. Geometry
D. None of these

5. 'Roentgen' discovered

A. X-rays
B. Encephalograph
C. Anti-Polio Vaccine

D. None of these


6. 'Electrons' Were discovered by

A. Roentgen
B. J.J. Thompson
C. Issac Newton
D. None of these


7. 'Bushwell' invented

A. Hovercraft
B. Submarine
C. Atomic Bomb
D. None of these

8. 'Revolver' Was invented by

A. Bushwell
B. Colt
C. Mercafter
D. None of these

9. Thermos Flask' was invented by

A. Dewar
B. Daimler
C. Urey
D. None of these

10. 'Analytical Engine' Was invented by

A. Dewar
B. Daimler
C. Charles Babbage
D. None of these

1.Answer: Option C

2.Answer: Option A

3.Answer: Option A
4.Answer: Option C

5.Answer: Option A

6.Answer: Option B
7. Answer: Option B
8.Answer: Option B
9.Answer: Option A
10.Answer: Option C

TNPSC Group 2 Online Test 13

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 13

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 13 

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Question 1.  Green house effect is enhanced in the environment due to

A.  Carbon monoxide 

B.  Oxygen

C. Carbon dioxide

D.  None of the above

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Question 2.    Which one of the following polymers is used for making bullet-proof windows ?

A.  Polyurethanes 

B.   Polycarbonates

C.  Polystyrene 

D.  Polyamides

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Question 3.   Oncogenes are associated with

A.    Typhoid

B.    Hepatitis 

C.    Tuberculosis 

D.    Cancer 

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Question 4.    Peeling  of onions  causes  tears  as onions release

A.    Sulfenic acid

B.   Amino acid      

C.   Sulphonic acid  

D.    Carbolic acid

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Question 5.    The common name of the chemical compound ‘Cholecalciferol’ is

A.  Vitamin D 

B.   Bone Calcium 

C.   Vitamin C

D.   Vitamin B 

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Question 6.   Pheromones are generally produced by

A.   Bats 

B.    Snakes 

C.    Insects

D.    Birds

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Question 7.   What was the fissionable material used in the bombs dropped at Nagasaki (Japan) in the year 1945?

A.   Sodium 

B.  Uranium

C.   Potassium

D.   Plutonium 

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Question 8.  Which   one   of  the   following   can provide both power and manures ?

A.   Biogas plants 

B.  Hydroelectric plants

C.  Nuclear plants 

D.  Thermal plants

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Question 9.   The original name of Changez (Genghis) Khan was

A.  Yesugai 

B.  Ogadi

C.  Khasul Khan 

D.  Temuchin (Tenurjin)

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Question 10.  Which one of the following nutritional elements is not essential for the formation and strengthening of bones and teeth?

A.   Calcium 

B.   Iodine

C.  Fluorine 

D.   Phosphorus

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TNPSC Group 2 Maths Aptitude Online Test 12

TNPSC  Group 2 Maths Aptitude Multiple Choice Questions (MCQ) Online Test 12

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 12 

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Question 1.   If  N = M²    and  N is divisible by 80 then M must necessarily be divisible by

A.  80

B.  20

C.  16

D.  20

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Question 2.   The diameter of a right circular cone is 14 meters and its  height is 2 meters. Its volume is

A.   564 m³

B.   500 m³

C.   616 m³

D.   418 m³

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Question 3.    The ratio between two numbers is 2:3 one number is greater than the other by 15. The number are 

A.   15,20

B.   30,45

C.   20,30

D.   30,50

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Question 4.    P varies inversely as q+3 . if p=1 then 1=3 ,when q=1 , p is 

A.    1/3

B.    2/3

C.    3/2

D.   1/6

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Question 5.    If the population in a place increases by 1% in the first year 2% in the second year the total percentage increase is

A.   2%

B.   3%

C. 3.02%

D.   2.02%

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TNPSC Group 2 Maths Aptitude Online Test 11

TNPSC  Group 2 Maths Aptitude Multiple Choice Questions (MCQ) Online Test 11

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 11 

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Question 1.    the number of points required to determine a plane is

A.  2

B.  3

C.  4

D.  1

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Question 2.   The type of average that can be used to find out the average rate of speed is

A.   Harmonic mean

B.   Geometric mean

C.  Arithmetic mean

D.   Median

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Question 3.    The geometric mean of two numbers is 16. If one number is 32 the other number is

A.   4

B.   6 

C.   8

D.    10

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Question 4.    The locus of point equal distant from a fixed point is a 

A.    Circle 

B.    Straight line

C.   Parabola

D.   Ellipse

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Question 5.    Cost price of 30 articles is equal to selling price of 24 articles. The percentage of again is 

A.   20%

B.    25%

C.    15%

D.    22%

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TNPSC Group 2 Online Test 10

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 10

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 10 

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Question 1.  World No Tobacco Day is observed on

A.  May 1st

B.  May 30th

C.  May 31st

D.  May 28th

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Question 2.    If P/Q = 1/3 then 27P - 34Q/36P - 3Q is

A.  -25/9

B.  -14/3 

C.  14/3    

D.   25/9  

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Question 3.   who received Dada Sahab Phalke Award 2013

A.    Pran Sikand 

B.     Ramesh Agarwal

C.    Vijay Seshadri

D.    Sampooran Singh Kalra

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Question 4.    Which of the following has the highest ionizing power 

A.    Beta rays 

B.     X-ray

C.   Alpha rays

D.    Gamma rays

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Question 5.    The mean of first five prime numbers is

A.   5.0 

B.   4.5 

C.    5.6

D.    6.5

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Question 6.   Expenditure tax in India was introduced by

A.   T.T.Krishnamachari

B.    C.Rajagopalachari

C.    Yashwant Sinha

D.    R.Venkatraman

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Question 7.   Tamil Isai Sangam was established at Madras by

A.   Sir R.K.Shanmugam Chettair

B.  Sir M.A.Muthaiah Chettair

C.   Sir Annamalai Chettair

D.   L.P.Ramanathan Chettiar

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Question 8.  If the arithmetic mean of 7,5,13,x and a be 10, then the value of x is

A.   16

B.  10

C.  12  

D.  15

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Question 9.   International Day of United Nations Peacekeepers is observed on

A.  May 28

B.  May 29

C.  May 30

D.  May 31

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Question 10.   The important of Harappa was excavated by

A.   Sir John Marshall

B.   R.D.Banerjee

C.  Dayaram Sahini

D.   R.S.Sharma

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TNPSC Group 2 Online Test 9

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 9

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 9 

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 a.  b.    c.  d.  

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 a.    b.    c.  d.  

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TNPSC Group 2 Online Test 8

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 8

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 8 

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Question 1.  Joule’s law of heating is given by

A.   H = I R2t

B.    H=I2Rt2

C.    H =I^2 Rt

D.    H=IRt2

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Question 2.    The father of local self-government in India is

A.     Lord Canning 

B.     Lord Ripon

C.     Robert Clive

D.     Lord Dalhousie

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Question 3.  Who introduced Ryotwari system in Tamil Nadu?

A.     Lord Cornwallis

B.     Lord Mayo

C.    Lord Dalhousie

D.    Sir Thomas Monroe

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Question 4.    Queen of Arabian Sea is

A.    Vishakhapatnam

B.    Tuticorin

C.   Kochi

D.   Kandla

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Question 5.     Important Vitamin for blood clotting is

A.    Vitamin A

B.    Vitamin B

C.    Vitamin C

D.    Vitamin K

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Question 6.   First Maratha ruler of Tanjore was

A.    Sivaji 

B.    Venkoji 

C.    Serboji-I

D.    Tukkoji

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Question 7.    If log x + log y = log (x+y) then

A.   x = y

B.  xy = 1

C.   y= x-1 / x 

D.   y = x / x-1

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Question 8.  What is the pH level of blood of a normal person?

A.   4.0 - 4.5

B.  6.45 - 65.5

C.   7.35 - 7.45

D.   8.25 – 8.35

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Question 9.   Which of the following acts introduced communal electorate in India?

A.  Indian Council Act, 1861

B.   Indian Council Act, 1892

C.  Indian Council Act, 1909

D.  Government of India Act, 1919

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Question 10.   The Indian Legislature was made bi-cameral for the first time by

A.   Indian Council Act, 1892

B.   Indian Council Act, 1909

C. The Government of India Act, 1919

D.   The Government of India Act, 1935

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TNPSC Group 2 Online Test 7

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 7

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 7 

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Question 1.  Every year 30th January is observed as 

A.   World Tuberculosis Day

B.    Anti-Leprosy Day

C.    World Cancer Day

D.    World AIDS Day

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Question 2.    NITI Aayog stands for......

A.     National Institution for Transforming India

B.     National Institution for Take India

C.     National Information for Transforming India

D.     National Institution for Transition India

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Question 3.   Name the Indians who won the prestigious 57th Grammy Awards on 8th Feb’15?

A.     Amitabh Bachchan

B.     A.R. Rahman

C.    Neela Vasvani

D.    Ricky Kej

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Question 4.     The “Tunnel of Time” is the autobiography of 

A.     Rajni Kothari

B.     P Chindambaram

C.   R K Laxman

D.    M S Narayana

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Question 5.    NITI Aayog come into effect from

A.    1 April 2015

B.    1 April 2016

C.    1 March 2015

D.    1 January 2015

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Question 6.   Which country will host the Commonwealth Games 2022?

A.    Canada

B.    South Africa

C.    United States

D.    Australia

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Question 7.    Which of the following declared 2014 as the Year of the Commando?

A.   CRPF

B.  BSF

C.   NSG

D.   ITBP

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Question 8.  Which day is declared as National Deworming Day in India?

A.   9th February

B.  15th March

C.   13th December

D.   10th February

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Question 9.   Which among the following states is the site for India’s first International Institute of Music? 

A.  Kerala

B.   Assam

C.  Haryana

D.  Madhya Pradesh

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Question 10.   Think - tank of Government of India that replaces Planning Commission of India is

A.   NITI Vakya

B.   NITI Dharma

C.  NITI Aayog

D.   NITI Vajpayee

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TNPSC Group 2 Online Test 6

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 6

This is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 6 

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Question 1. Hitler party which came into power in 1933 is known as 

A. Labour Party  

B. Nazi Party 

C. Ku-Klux-Klan  

D. Democratic Party 

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Question 2. Nuclear sizes are expressed in a unit named

A. Fermi 

B. Angstrom  

C. Newton  

D. Tesla  

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Question 3. Sound of frequency below 20 Hz is called?

A. Audio sounds  

B. Ultrasonic  

C. Infrasonic 

D. Supersonics  

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Question 4.  The most abundant rare gas in the atmosphere is

A. He  

B. Ne  

C. Xe 

D. Ar  

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Question 5. The octane number of zero is assigned to

A. n-heptane  

B. iso-octane  

C. 2-methyl octane

D. 3-methyl octane  

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Question 6. The heat required to raise the temperature of body by 1 K is called

A. specific heat

B.  water equivalent

C.  thermal capacity

D. none of these

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Question 7.  Plants synthesis protein from ?

A. starch  

B. sugar  

C. fatty acids 

D. amino acids

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Question 8. Who presided over the first meeting of Indian Constituent Assembly?

A. Dr. Rajendra Prasad

B. Sachchidananda Sinha

C. B.R. Ambedkar

D. H.V. Kamath 

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Question 9. The Constitution of India was adopted on 

A. 26th January, 1950

B. 26th January, 1949

C. 26th November, 1949

D. 15th August, 1947

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Question 10.Who was the Chairman of the Union Power Committee of Constituent Assembly of India?

A. Sardar Vallabhbhai Patel

B. Dr. B.R. Ambedkar

C. Sir Alladi Krishnaswami Ayyar

D. Pt. Jawaharlal Nehru

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TNPSC Group 2 General Knowledge Multiple Choice Questions Online Test 5

TNPSC  Group 2 General Knowledge Multiple Choice Questions (MCQ) Online Test 5 

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. 

This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score.

Questions are collected from various competitive exams and presented here for your self training. There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 5 

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Question 1. The Indian rupee sign Rupee was designed by

A. Rakesh Kumar

B. D. Udaya Kumar

C. Kamal Kumar Pandey

D. Hitesh Padmashali

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Question 2. World Water Day is celebrated on 

A. February 20

B. February 22

C. March 20

D. March 22

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Question 3. Who is known as the father of the political movement in Travancore

A. K.P Achutha Menon

B. C. Kunjirama Menon

C. G.P. Pillai

D. Mannath Krishnan Nair

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Question 4. When was Bangladesh formed

A. 26 March , 1971

B. 26 December, 1971

C. 16 December, 1971

D. none of these

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Question 5. Which day has been declared as International Yoga Day

A. 2nd October

B. 13th January

C. 21st June

D. 15th August

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Question 6. Who won the Nobel Prize for Literature in 2014

A. Patrick Modiano

B.  MalalaYousafzai

C.  KailashSatyarthi

D. none of these

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Question 7. The variety of coal having the highest carbon content is

A. Bituminous

B. peat

C. Lignite

D. Anthracite

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Question 8. Increase in atmospheric temperature due to carbon dioxide, is called

A. Emerson effect

B. Greenhouse effect

C. Blackman effect

D. Pasteur effect

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Question 9. Which one among the following industries is the maximum consumer of water in India?

A. Engineering

B. Textiles

C. Thermal power

D. Paper and pulp

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Question 10.I am not going to be satisfied with anything short of complete freedom we shall do or die we shall either free India or die in the attempt. Who among the following gave the speech?

A. Subash Chandra Bose

B. Jawaharlal Nehru

C. Sardar Vallabhai JPatel

D. Gandhiji

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TNPSC Group 2 Multiple Choice Questions (MCQ) Online Test 4

TNPSC Model ExamMultiple Choice Questions (MCQ) Online Test 4 

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. This site will be your practice ground. You can write various model online tests available here and evaluate yourself based on your score. Questions are collected from various competitive exams and presented here for your self training. 

There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website. 

 All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams . 

The following sets of Questions cover the most frequently asked Questions from TNPSC Exam Test your knowledge by participating this online test.

TNPSC ONLINE TEST 4 

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TNPSC Multiple Choice Questions (MCQ) Online Test 3

TNPSC Model ExamMultiple Choice Questions (MCQ) Online Test 3

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. This site will be your practice ground.
You can write various model online tests available here and evaluate yourself based on your score. Questions are collected from various competitive exams and presented here for your self training.

There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams .

The following sets of Questions cover the most frequently asked Questions from TNPSC Exam

Test your knowledge by participating this online test.

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1. Which was the ancient port of Indus Civilization ?
   
   1. Surkotada
   2.  Harappa
   3.  Dholavira
   4.  Lothal
   
   
2. Which of the following was the court language during the reign of Akbar ?
   
   1. Persian
   2. Hindi
   3. Arabic
   4. Urdu
   
   
3. Where did British first open their factories in Eastern part of India ?
   
   1. Bihar
   2. Orissa
   3. Sikim
   4. Assam
   
   
4. The frequency range of ultrasound is
   
   1. below 20 kHz
   2. below 2kHz
   3. above 20,000 kHz
   4. above 20 kHz
   
   
5. The metal that is extracted from sea water is
   
   1. magnesium
   2.  sodium
   3.  calcium
   4. tin
   
   
6. Where is the heavy water plant in Tamil Nadu?
   
   1. Palayamkottai
   2. Chennai
   3. Tanjore
   4. Tuticorin
   
   
7. Who is the author of the journal ‘Harijan’?
   
   1.  Thiru.Vi.Ka
   2. Mahatma Gandhi 
   3.  Bharathiyar
   4.  E,V.R
   
   
8. The birth place of Sri Ramanujam is
   
   1. Sri Perambudur
   2. Kaladi
   3. Kokarnam
   4. Kasi
   
   
9.  The maximum length of the pencil that can be kept in a rectangular box of dimensions 8 cm x 6 cm x 2 cm is
   
   1. 10 √2 cm
   2. 2 √13 cm
   3. 2 √14 cm 
   4. 2 √26 cm
   
   
10. The mean deviation from the median of (2, 4, 5, 6, 8) is
    
    1. 1.6
    2. 0
    3. 3.0
    4. 0.5
    
    
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TNPSC Multiple Choice Questions Online Test 2

TNPSC Model ExamMultiple Choice Questions (MCQ) Online Test 2

This  is for the people who aspire to score high marks in Tamil Nadu Public Service Commission All Group Exams at free of cost. This site will be your practice ground.
You can write various model online tests available here and evaluate yourself based on your score. Questions are collected from various competitive exams and presented here for your self training.

There is no need of registration and no need to pay the money. It is free of cost. Start using it and share it with your friends if you like this website.

All The Questions Given Here For Your Preparation To Various Exams Such As Tamil Nadu Public Service Commission All Group Exams, Village Administrative Officer [Vao] Exams .

The following sets of Questions cover the most frequently asked Questions from TNPSC Exam

Test your knowledge by participating this online test.

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TNPSC ONLINE TEST 2 

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1. Nuclear sizes are expressed in a unit named
   
   1. newton
   2.  Fermi
   3.  tesla
   4.  angstrom
   
   
2. Stars appears to move from east to west because
   
   1. the background of the stars moves from west to east
   2. the earth rotates from east to west
   3. the earth rotates from west to east
   4. all stars move from east to west
   
   
3. the scalar quantity
   
   1. velocity
   2. pressure
   3. force
   4. acceleration
   
   
4. India changed over to the decimal system of coinage in 
   1. April 1995
   2. April 1958
   3. April 1957
   4. April 1959
   
   
5. The members of the State Public Service Commission are appointed by the
   
   1. chief minister
   2. vice-president
   3.  chief justice
   4. governor
   
   
6. The oath of office is administered to the Governor by the 
   1. chief justice of India
   2. Chief justice of high court
   3. President
   4. Speaker of legislative assembly
   
   
7. Constitution of India came into effect from ?
   
   1.  15 January, 1950
   2. 26 August, 1950
   3. 26 January, 1950
   4. 15 August, 1950
   
   
8. Big Bang theory explains ?
   
   1.  Origin of Sun
   2. Laws of physics
   3.  Origin of Universe
   4. Origin of Earth
   
   
9. Which are the main gases present in Sun ?
   
   1. Hydrogen and Helium
   2. Hydrogen and Argon
   3. Argon and Helium
   4. Hydrogen and Carbon Diaoxide
   
   
10. Which planet is smallest in size in solar system ?
    
    1. Mars
    2. Saturn
    3. Venus
    4. Mercury
    
    
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