List of Famous Scientists and their Inventions

Physics and Chemistry

Archimedes—Invention of the famous Archimedean law, discovery of the principles of lever and specific gravity.
Avogadro—An Italian scientists known for Avogadro’s hypothesis.
Bacquarrel—Radio-activity of uranium.
Baird J.L.—Television.
Benjamin Franklin—Lightning conductor.
Bhabha H.J.—Research in cosmic rays and quantum theory.
Binet—Intelligence tests.
Bose, J.C.—Crescograph.
Bose, S.N.—Discovery of nuclear particles ‘Boson’.
Bohr—Electron Theory, Atomic structure.
Bunsen—Spectroscope.
Bushwell—Submarine.
Carothers—Nylon Plastics.
Cavendish—Discovery of hydrogen, rare gases, chemical composition of water.
Charles Darwin—Theory of Evolution; Origin of Species.
Curie, Madame—Radium.
Dalton—Law of partial pressures; Atomic theory; laws of chemical combination; the law of multiple proportions.
Democritus—(Greek Philosopher)—Atomic theory.
Dewar—Thermos flask.
Einstein—Theory of relativity.
Euclid—Science of geometry.
Fahrenheit—Fahrenheit mercury thermometric scale in which freezing point is—32° and boiling point is 212°.
Farady—Electromagnetic induction and laws of electrolysis.
Fermi—Artificial splitting of atoms.
Freud—Psycho-analysis.
Gay Lussac—Law of gases.
Herschel. William—Discovered the planet Uranus.
Hertz—Electrical waves.
Hoffman—Aniline dye.
Kelvin, Lord—Dynamic theory of heat.
Khorana, Dr. Hargovind—Interpretation of genetic code.
Lawrence—Invention of cyclotron.
Lee de Forest—Talkies, radio, telephone.
Lockyer—Helium gas.
Louis Braille—Discovered and perfected his system of reading and writing for the blind.
Marconi—Wireless telegraphy, radio.
Maxwell—Electromagnetic theory of light.
Mendel—Laws of heredity.
Mendeleev—Periodic table.
Millikan, R.A.—Cosmic rays.
Newton—Laws of Motion, laws of gravitation.
Nobel—Dynamite.
Otto Hahn—Discovery of uranium fission.
Planck—Quantum theory.
Priestley—Discovery of oxygen.
Raman C.V.—‘Raman Effect’.
Ramnathan—Molecular scattering of light in fluids.
Ramanujam—A great Indian mathematician.
Ramsay—Discovery of inert gases like Argon, Helium, Neon etc.
Robert Mallet—Seismograph.
Roger Bacon—Discovery of gun powder.
Rontgen—Discovery of X-rays.
Rutherford—Succeeded in splitting the atom for the first time.
Stephenson—British engineer-to put locomotive on the line.
Thomson J.J.—Discovered electron.
Urey—Discovery of Heavy Hydrogen.
Volta—Current electricity and electric battery.
Wadia D.N.—Meteorology.
Ykawa. Hideki—Meson.

Pioneers in Mechanical Inventions and Discoveries

Austin—Motor car.
Baird J.L.—Television.
Bell, Graham—Telephone.
Broquet—Helicopter.
Gutenburg—Printing Press.
Colt—Revolver.
Daimler—Gas engine, Automobile.
Davy—Miner’s Safety Lamp.
Diesel—Internal combustion.
Edison—First electric bulb and gramophone.
Faraday—Dynamo.
Frank Whittle—Jet propulsion.
Franklin Benjamin—Lightning conductor.
Lippershe—Telescope.
James Puckle—Machine Gun.
Hoe—Rotary Printing Press.
James Watt—Steam engine (1769).
Macmillan—Bicycle (1842).
Mergenthaler—Linotype.
Montgolfer—Balloon (1883).
R.A. Watson Watt—Radar.
Sholes—Typewriter.
Stephenson—Railway engine.
Swinton—Military tank.
Torricelli—Barometer.
W. & O. Wright—Aeroplane.
Waterman—Fountain pen.
Whittle, Frank—Jet propulsion.
Zeis—Lenses, Camera.

Medical Inventions & Discoveries

Banting—Insulin (a cure for diabetes).
Bernard Christian—Replacing the human heart.
Brahmchari, U.M.—Cure of Kala-a-zar fever.
Domagk—Sulpha drugs as bactericides.
Fleming Alexander—Penicillin (in 1929).
Harvey—Circulation of blood.
Hahnemann—Founder of Homeopathy.
Hopkins. F.G.—Vitamin D.
Jenner—Smallpox Vaccination.
Koch Robert—Tubercle Bacillus.
Lainnec—Stethoscope.
Lister, Lord—Antiseptic surgery.
Pasteur Louis—Treatment of rabies; cure of hydrophobia.
Ronald Ross—Malaria parasite.
Salk Jonas E.—Anti-polio. Vaccine.
Simpson and Harrison—Chloroform.
Wakesman—Streptomycin.

Geographical Discoveries

Amundsen—Discovered South Pole in Dec. 14, 1911.
Armstrong, Neil A.—(U.S.A.) First person to set foot on the moon on July 20, 1969.
Cabot Sebastian—Discovered New Found land in 1497.
Columbus Christopher—Discovered America in 1492 and South America in 1498.
Copernicus—Discovered solar system in 1540. He propounded the astronomical system which bears his name.
Edmund Hillary—Conquered Mt. Everest on May 29, 1953, along with Sherpa Tenzing.
Ferdinand de Lesseps—Conceived the plan of the Suez Canal on which work was completed in 1969.
Henry Hundson—Discovered Hudson Bay in 1610.
Kepler—Discovered the Laws of Planetary Motion in 1609.
Magellan—Sailed round the World in 1519.
Marco Polo—A Venetian Traveller who explored China (in 1272) India. South—eastern countries.
Peary, Robert—Discovered North Pole in 1909.
Tabei Mrs. Junko—She is the first-ever woman to climb Mt. Everest on May 16, 1975.
Tasman—Dutch navigator, discovered the Tasmania Island and New Zealand in 1649.
Vasco-De-Gama—The Portuguese sailor rounded the Cape of Good Hope and discovered sea route to India and reached Calicut (now Khozikhode) in 1498.

CONCOR Assistant Supervisor, Sr. Assistant Posts Recruitment

Container Corporation of India Limited is looking for Assistant Supervisor, Sr. Assistant Vacancies.

Post Details:
1. Assistant Supervisor: 04 Posts

Qualification: Graduate with 50% marks. 4 years experience.
2. Sr. Assistant (C & O): 174 Posts 
Qualification: Graduate with 50% marks. Candidates should be conversant with working in a computerized environment. 
3. Sr. Assistant (Accounts): 03 Posts
Qualification: B.Com with minimum 50% marks. Candidates should be conversant with working in a computerized environment.
4. Stenographer Grade-I: 04 Posts
Qualification: Degree. Should have done stenography/ secretarial practice course/ exam with a speed of 80 WPM in shorthand and 40 WPM in typing. 
Application Process: Candidates are required to submit their applications only through online mode.
Online 
Application: http://careers1.concorindia.co.in/advt_jul2015/default_advtjul15.aspx


Notification

RailTel Corporation of India Ltd. Recruitment

RailTel Corporation of India Limited has given notification for the recruitment of Senior Manager & Deputy Manager vacancies.

Post Details:
1. Senior Manager (Data Centre/IT/MPLS): 20 Posts
2. Deputy Manager (Data Centre/IT/MPLS): 33 Posts

Qualification: BE/ B.Tech/ B.Sc (Engg) in Information Technology/ Computer Science/ Electronics and Telecommunication/ Electrical or M.Sc (Electronics/ IT/ Comp. Science)/ MCA with relevant experience.

How to Apply: Candidates can send their applications in prescribed format along with all relevant self-attested documents and demand draft through ordinary post to Deputy General Manager (P&A)-II, Rail Tel Corporation of India Limited, Plot no. 143, Sector-44, Gurgaon on or before 31.07.2015.


Notification 

GENERAL AWARENESS PRACTICE QUESTIONS

1. Which are the fundamental particles present in equal numbers in neutral atoms? – Protons and electrons 
2. Where has an advanced water management system of Harappan times been unearthed? – At Dholavira 
3. Which is the farthest planet to the Sun? – Neptune  
4. What is the fact that support the concept that viruses are living is that? – Multiply themselves 
5. The Indian Legislature was made bi-cameral for the first time by which act? – The Government of India Act, of 1919 
6. Which is a development expenditure? – Irrigation expenditure  
7. In which is an application of Bernoulli’s equation for fluid flow found? – Dynamic lift of an aeroplane 
8. When was the first ‘International Non-Smoking Day’ observed all over the world? – 04.07.1988 
9. Which Indian has been recently appointed as a ‘chief economist’ by world bank? – Kaushik Basu 
10. The doctrine of three jewels-Right belief, Right conduct and Right knowledge-is the crownings glory of which religion? – Jainism 
11. Which feature is the product of vulcancity ? – Atoll 
12. Who was the Chairman of the Union Power Committee of Constituent Assembly of India? – Dr. B. R. Ambedkar 
13. Why has the Green Revolution not been as green as if has been made out to be? – because it is confined only to wheat 
14. When the external torque on a system is zero, there will be conservation of its how much energy? – Total energy 
15. Which electromagnetic wave has the longest wave length? – Infra red rays  
16. Which plant will lose its economic value if its fruits are produced by parthenocarpy? – Pomegranate 
17. In which field ‘Aachan Maharaj’ has distinguished himself? – Dance  
18. Which dynasty did rule over Magadha after Nanda dynasty? – Maurya 
19. What is Separating the mesosphere from the stratosphere transition zone called? – Stratopause 
20. At which of its session, did the Congress officially accept the ‘Socialistic Pattern of Society’ ? – Avadi Session of 1955 
21. The Rolling Plan concept in national planning was introduced by which government? – The Janata Party Government 
22. The wavelength of the radiation emitted by a body depends upon which thing? – The temperature of the surface

23. The á-particle carries two positive charges. Its mass is very nearly equal to that of which element? – an atom of helium 
24. Which root contain nitroen fixing bacteria ? – Nodulated root 
25. Late Ustad Nisar Hussain Khan earned distinction in which fields? – Vocal music 
26. Which dynasty succeeded Sungas? – Kanvas  
27. Which country in Africa has luxurious tropical rain forests? – Ivory coast 
28. Right to education to all children between the age of 6 to 14 years is which right? – A Fundamental Right 
29. When is World Malaria Day, recoginzed by the WHO observed? – April 25  
30. Which set of sources of revenue belongs to the Union Government alone? – Custom duties, Corporation tax 
31. What is the phenomenon in which the amplitude of oscillation of pendulum decreases gradually called? – Damping 
32. When a gas is subjected to adiabatic expansion, why does it gets cooled? – Due to energy spent in doing work 
33. What is the percentage of light energy utilised for photosynthesis by higher plant? – 1% to 2%  
34. Who was the first woman President of the Indian National Congress? – Annie Besant 
35. What is the The chemical part of the dye that absorbs light and produces colour called? – A pigment 
36. Why is at high altitudes the boiling point of water lowers? – Because of atmospheric pressure is low 
37. Human stomach produces acid ‘X’ which helps in digestion of food. What is acid ‘X’? – Hydrochloric acid 
38. Which was the official language of Gupta period? – Sanskrit  
39. ‘Rally for Valley’ programme in India was organized to highlight the problem of which thing? – Environmental degradation 
40. Which Directive Principles bears the direct impact of Gandhi’s moral philosophy? – Provision of free legal aid and advice 
41. With which sector has the B.K. Chaturavedi Committee dealt? – Price reforms in the oil sector  
42. Quality is that sensation of sound which is felt by our ears by which virtue? – Waveform of sound wave 
43. What is a system which can exchange energy with the surrondings but no matter called? – A closed system 
44. Study of typical behaviour of organisms in their natural habitatis is called– – Ethology 
45. The year 1995 is the golden Jubilee year of which international organisations? – UNO 
46. Alberuni lived during the period of which king? – Mahmud Ghaznavi  
47. Which is the largest producer of fruits in the Anglo-American Region? – California 
48. Which office is held during the pleasure of the President of India? – Governor of a State 
49. Many a time we read a term PPP in financial newspapers. What is the full form of the PPP? – Purchasing Power Parity 
50. A plane mirror reflects a beam of light to form a real image. How is the incident beam? – Convergent 
51. Which pair of atomic numbers, represent the elements belonging to the same group? – 13 and 31 
52. When is World Maritime Day, recognized by the UN is observed? – During last week of September 
53. In which animal, is skin a respiratory organ? – Frog 
54. What is the total number of judges of the International Court of Justice (ICJ)? – 15 
55. The seven pagodas of Mahabalipuram are a witness to the art patronised by which dynasty? – Pallavas 
56. Which has the world’s largest reserves of Uranium? – Australia 
57. Who was the Prime Minister of India when the Anti-Defection Bill was passed? – Rajiv Gandhi 
58. The Banks are required to maintain a certain ratio between their cash in hand and total assets. What is this called? – CRR 
59. Which UN agency has its headquarters at Paris? – UNESCO  
60. When Raja Wodeyar founded the kingdom of Mysore, who was the ruler of the Vijayanagar Empire? – Venkata II 
61. Which technique is useful for predicting the wheat yield? – Regression  
62. A proclamation of emergency must be placed before the Parliament for its approval with in howmany months? – Within 1 month 
63. To which does the lowering of Bank Rate by the Reserve Bank of India leads? – More liquidity in the market 
64. Faraday’s law of electromagnetic induction is related to the which thing? – Law of conservation of energy 
65. Which catalyst is used in the manufacture of hydrogen by Bosch process? – Fe₂O₃ + Cr₂O₃
66. When a forgein body inter into blood circulatory system the reaction is started by cells? – WBC 
67. How many votes are entitled for members of the UN Economic and Social Council? – One vote 
68. Who was a contemporary of Chinghiz Khan? – Iltutmish  
69. Which South Asian country has the highest population density? – India 
70. Which court in India is/are known as the Court(s) of Records? – The High Courts and Supreme Court 
71. Volume of air inspired or expired with each normal breath is known as which name? – Total volume 
72. Who is the author of the classic book Life Divine? – Aurobindo Ghosh 
73. Who was defeated at kannauj in the hands of Sher Shah in 1540? – Humayun 
74. Which continent has the lowest birth and death rates? – Europe 
75. Which committee recommended for according a constitutional position to the Panchayati Raj? – L. M. Singhvi Committee 
76. Which is an asset for a Commercial Bank? – Borrowing from RBI  
77. Equal charges are given to two spheres of different radii. what will the potential? – Be more on the smaller sphere 
78. The ability of a catalyst to accelerate the chemical reaction is known as which name? – Negative catalysis 
79. The cellular and molecular control of programed cell death is known as which name? – Apoptosis 
80. The famous book’ The General Theory of Employment, Interest and Money’ is written by which author? – J. M. Keynes 
81. During whose reign did Sir Thomas Roe have regular attendance at the Mughal court to secure commercial privilege? – Jahangir 
82. The United Nations declared 2013 as which International Year? – Quinoa  
83. Tropic of Capricorn passes through which country? – Botswana 
84. From where must the authorization for the withdrawal of funds from Consolidated Fund of India come? – The Parliament of India 
85. Under Gadgil-Mukerjee formula to whom is the higher weithage is given? – Population  
86. Which bank was earlier called the ‘Imperial Bank of India’? – SBI  
87. When is a galvanometer converted into an ammeter? – When we connect a low resistance in parallel 
88. The decomposition of H2O2 is retarded by phosphoric acid. Thus how does phosphoric acid acts? – As negative catalyst 
89. In electric supply lines in India, which parameter is kept constant? – Frequency 
90. Which element is used as common catalyst? – Ni  
91. Which land mark in medical history was the first to take place? – Plastic surgery 
92. Who is the author of the book ‘Freedom from Fear’? – Aung San Suukyi 
93. Which Indian was appointed as Deputy Diwan of Bihar by Robert Clive? – Raja Shitab Rai 
94. Which country has the highest agricultural production in Europe? – France 
95. Who accords recognition to various political India as National or Regional Parties? – The Election Commission 
96. When average cost of production falls, what must be marginal cost of production must? – less than the average cost 
97. What is the Percentage of the original number of atoms in a radioactive sample remaining at the end of one mean life? – 37 
98. Which material is very hard and very ductile? – Nichrome 
99. Hybridoma technology is a new biotechnological approach for commercial production of which antibodies? – Monoclonal antibodies 
100. Who is the author of the book ‘A bend in the River’? – V.S. Naipaul 

RRB Centralised Employment Notice No.01/2015

Online applications are invited for the following posts of Jr. Engineer, Depot Material Superintendent, Chemical & Metallurgical Assistant, Sr. Section Engineer and Chief Depot Material Superintendent.

Post Details:
1. Jr. Engineer/ Research Engineer:  935 Posts
2. Depot Material Superintendent: 35 Posts
3. Chemical & Metallurgical Assistant: 75 Posts
4. Sr. Section Engineer: 1165 Posts
5. Chief Depot Material Superintendent: 25 Posts

Qualification: Bachelor’s degree (Civil/ Mechanical/ Electrical/ Electronics/ Manufacturing/ Industrial/ Machining/ Instrumentations & Control/ Tools & Machining/ Tools & Die Making/ Automobile/ Production Engineering/ Information Technology/ Communication Engineering)/ M.Sc. Electronics. Or Degree in Engineering in any discipline. Or Diploma (Civil/ Mechanical/ Electrical/ Electronics/ Manufacturing/ Mechatronics/ Industrial/ Machining/ Instrumentation & Control/ Tools & Machining/ Tools & Die Making/ Automobile/ Production Engineering or B.Sc. (Civil Engineering/ Computers). Or PGDCA/ BCA.

How to Apply: Candidates are required to apply through Online mode.

Last date for receipt of applications: 26.07.2015.

Date of Publication (Employment News): 27.06.2015. 

For Notification Click Here

RPF Sub-Inspector Exam 2013 General Knowledge Solved Paper

1. As a result of global warming, we could be
(A) sea level rise (B) changes in crop pattern
(C) changes in the coast line (D) All the above (Ans: D)

2. The Earth Summit (Save Earth) had organized
(A) by UNESCO (B) by Yuensiidi
(C) W H o (D) UNICEF (Ans: B)

3. If the two things complement their cross price elasticity modules:
(A) minus (B) plus (C) negative (D) imaginary number (Ans: C)

4. The opportunity cost of producing a commodity that is-
(A) the costs which the firm can take on a different technique was adopted
(B) the cost of production under a different law firm could raise
(C) actual costs incurred
(D) the next best alternative production leaved (Ans: D)

5. land vary in the short term by any other factor is the earned surplus are:
(A) economic rent (surplus) (B) Net rent (surplus)
(C) virtual rent (surplus) (D) Max normal rent (surplus) (Ans: C)

6. Who is the ex-officio Chairman of the Planning Commission?
(A) Planning and Development Minister (B) FM
(C) Prime Minister (D) Rural and Community Development Minister (Ans: C)

7. Which of the following is not true in the case when the economy is in a high interest rate?
(A) is increased savings (B) lending is reduced
(C) the cost of production increases (D) return of capital increases (Ans: D)

8. Which of the following is not the method of measurement of national income?
(A) value-added method (B) Income Method
(C) investment method (D) expense method (Ans: C)

9. labor-intensive techniques shall be chosen
(A) in a labor surplus economy (B) capital surplus economy
(C) in the developed economies (D) in developing economies (Ans: A)

10. Which of the following will not be economic activity?
(A) was read to the students in his class teacher
(B) the teacher is teaching students under SSA
(C) read to her daughter's home teacher
(D) is providing advisory services to his residence Teacher (Ans: C)

11. Finance Commission
(A) makes five-year plans
(B) makes monetary policy
(C) The Central Government has recommended the revision of salaries
(D) resources between the center and the states decides on Bntbare (Ans: D)

12. When a country's net national product is-
(A) to GDP, reduced allowances Mulyttas
(B) by adding net income in GDP abroad
(C) Gross national product of the net income from abroad reduced
(D) of the gross national product Mulyhnas allowances reduced (Ans: D)

13. To whom jaundice is caused by infection?
(A) of the brain (B) liver (C) Renal (D) spleen (spleen) (Ans: B)

14. The average rate of the heart beat in a normal person is-
(A) 82 (B) 92 (C) 72 (D) 98 (Ans: C)

15. EEG (EEG) is used to record what activity?
(A) Heart (B) Lung (C) brain (D) muscle (Ans: C)

16. cow's milk due to the presence of a yellow color what happens?
(A) Jathofil (B), riboflavin (C) Raibulos (D) Carotene (Ans: D)

17. Which of the following is a contagious disease?
(A) diabetes (B) diphtheria (C) arthritis (D) Cancer (Ans: B)

18. Which of the following volume is decreased in anemia?
(A) hemoglobin (B) collagen (C) Haioglobin (D) myosin (Ans: A)

19. Which of the following disease is often transmitted through the air?
(A) The Plague (B) Tayfoid (C) Tuberculosis (D) Cholera (Ans: C)

20. A rich source of food, ie
(A) starch (B) of glucose (C) of fructose (D) of Maltose (Ans: A)

21. Aspirin simple name is-
(A) of salicylic acid (B) of salicylate
(C) of Methil salicylate (D) Aesitil of salicylic acid (Ans: D)

22. Forms due to smallpox
(A) Rubiola virus (B) Variola virus (C) Varisela (D) Micsovayrs (Ans: B)

23. Carbon monoxide is a flammable gas. Which of the following and is flammable gas?
(A) Helium (B) nitrogen (C) oxygen (D) hydrogen (Ans: D)

24. breathing mechanism should
(A) Heat (B) Water (C) oxygen (D) sunlight (Ans: C)

25. Which of the following metal reacts with water to produce hydrogen does not?
(A) potassium (B) cadmium (C) sodium (D) Lithium (Ans: B)

26. Forms are ozone
(A) only oxygen (B) oxygen and nitrogen
(C) hydrogen and carbon (D) oxygen and carbon (Ans: A)

27. Which of the following has the lowest density of liquid?
(A) FRESH WATER (B) salted water (C) gasoline (D) Mercury (Ans: C)

28. 'low temperature' to cause which of the following principle is used?
(A) superconductivity (B) water-Kelvin effect
(C) heat-electric effect (D) Adiabatic demagnetization (Ans: D)

29. Forms photoelectric cell changes
(A) mechanical energy into electrical energy (B) heat energy into mechanical energy
(C) light energy into chemical energy (D) light energy into electrical energy (Ans: D)

30. The two stones of different mass from the top of a building with a dropped-in
(A) small stone on the ground before it reaches
(B) large stones on the ground before it reaches
(C) both arrive at the stone ground
(D) depends on the composition of the stone (Ans: C)

31. pulsars, ie
(A) are the stars of the earth (B) are moving away from Earth stars
(C) rapidly moving stars (D) high-temperature stars (Ans: C)

32. The solar system's largest planet is-
(A) Earth (B) Tue (C) Saturn (D) Jupiter (Ans: D)

33. "National School of Drama," which of the following is situated in the city?
(A) Mumbai (B) New Delhi (C) Bhopal (D) Kolkata (Ans: B)

34. When and where our national anthem was sung for the first time?
(A) 24 January, 1950 at Allahabad (B) 24 January, 1950 in Delhi
(C) 26 December, 1942 in Calcutta (D) 27 December, 1911 in Calcutta (Ans: D)

35. The ozone hole in the atmosphere has been detected, where it is located?
(A) over the Arctic Ocean (B) above Aentarktika
(C) over India (D) above Alaska (Ans: B)

36. Talent Playn-
(A) is a disease
(B) educational and technical institutions dissuade students say
(C) the cost of scientific and industrial research is pointless
(D) migration of skilled personnel say (Ans: D)

37. How many lines Dharmacakra the national flag?
(A) 22 (B) 24 (C) 18 (D) 14 (Ans: B)

38. 'India Today' it?
(A) unstable mass of problems
(B) by removing the former British India, Pakistan and Bangladesh
(C) a newsletter dedicated to current affairs
(D) is a member of the Indian Union, the United Nations (Ans: C)

39. Book 'is VAZ Fraiv Past Midnight "is the subject?
(A) of the Bhuj earthquake (B) of Orissa flood
(C) of Andhra Pradesh cyclone (D) Bhopal Gas case, (Ans: D)

40. "Tin Bigha Corridor" that connects?
(A) for India and Pakistan (B) India and China
(C) Bangladesh and Pakistan (D) Bangladesh and India (Ans: D)

41. Pulitzer Prize for outstanding work in the area are recognized?
(A) Science and Technology (B) literature and journalism
(C) International Understanding (D) Environmental Studies (Ans: B)

42. Victory Column built in Chittor Who did?
(A) Maharana Pratap (B) Rana Sangram Singh
(C) the Azad Rana (D) Rana Ratan Singh (Ans: C)

43. The instrument is used to change the speed of the electric fan?
(A) amplifier (B) regulator (C) switch (D) Rectifier (Ans: B)

44. Namdhapa National Park?
(A) Mizoram (B) Manipur (C), Tripura (D) Arunachal Pradesh (Ans: D)

45. Which religious books Gandhiji their 'mother said?
(A) Ramayana (B) The New Testament (C) to God Gita (D) Koran (Ans: C)

46. ​​Which of the following Tehri Hydro Power Complex is located on the river?
(A) Alaknanda (B) Mandakini (C) Dhauliganga (D) Bhagirathi (Ans: D)

47. Nobel laureate Amartya Sen of India are famous for acting in what area?
(A) Physics (B) Protecting the environment (C) Chemistry (D) Economics (Ans: D)

48. Which of the following North Atlantic Treaty Organization (NATO) is not a member?
(A) Italy (B) Germany (C) USA (D) India (Ans: D)

49. Which country following the recent 'Tiangung -1 called "first space laboratory module launched?
(A) South Korea (B) North Korea (C) China (D) Japan (Ans: C)

50. Which of the following countries of SAARC in India recently, an important border with the Pact?
(A) Myanmar (B) Nepal (C) China (D) Bangladesh (Ans: D)

GENERAL KNOWLEDGE PRACTICE QUESTIONS FOR RRB EXAMS

1. In the grasslands, why do trees not replace the grasses as a part of an ecological succession – because of water limits and fire
2. Which event was associated with American War of Independence? – Boston Tea Party
3. Who was the first British Author to win the Man Booker Prize for fiction twice? – Hillary Mantel
4. In which form the 'Dakshinamurti' idol of Shiva depicts him? – Teacher
5. Who is the pioneer of modern Hindi literature? – Bharatendu Harishchandra
6. Which of Sikh religious heritage is not in India? – Nankana Sahib
7. In MS-Excel, which function is used to find the highest value within the list? – MAX
8. Which country has three capitals viz, Administrative, Legislative and Judicial? – South Africa
9. Which country is regarded as the home of 'Fabian Socialism'? – England
10. Where is the head office of the Coca Cola Company? – Atlanta
11. On which day the Non Resident Indians (NRI) Day is marked? – January 9
12. What is the term of a non-permanent member of the UN Security Council? – 2 years
13. Which is an impact printer? – Daisy wheel printer
14. Which plant pigments absorbs In red and far-red region of light? – Phytochrome
15. How can the ultraviolet rays be used in water treatment? – As Disinfectant
16. Who was the first to use the term 'State' ? – Machiavelli
17. Which thing is a temporary holding space for data that is being copied or moved? – Clipboard
18. To which the 'Population dividend' refer? – Youthful age structure of a population
19. Which is important strategy for the conservation of biodiversity ? – Biosphere Reserves
20. In South Asia, which is country with the' largest percentage of aged population? – Sri Lanka
21. Which State of India has the highest urban density? – West Bengal
22. In which Union Territory, the female literacy is highest according to Census 2011? – Lakshadweep
23. The "Secretariat Building" of which State is known as "Writer's Building"? – West Bengal
24. On which Principle is the Gandhian economy? – based Trusteeship
25. IN which year was the 'Eco Mark' Scheme was launched in to encourage consumers to buy products of less harmful environmental impact? – Drugs and Antibiotics 

GENERAL KNOWLEDGE PRACTICE QUESTIONS FOR RRB EXAMS

1. Which day does not synchronize with the birth anniversary of any eminent Indian? – National Science Day
2. Anthony De Mello Trophy is associated with test cricket series between which countries is this match played? – England and India
3. Which is the second most populous State of India as per Census-2011 ? – Maharashtra
4. What causes dough (a mixture of flour, water, etc.) to rise when yeast is added to it? – Release of carbon dioxide gas
5. While the computer executes a program, in which is the program held? – RAM
6. Which was the first electronic computer constructed at the Moore School of Engineering ? – ENIAC
7. How much a cultivable command area is covered when an irrigation project is categorized as a major project? – Above 10,000 hectares
8. From which banks did Madan Mohan Malviya take loans for financing "The Hindustan Times"? – Punjab National Bank
9. What is the full-form of USB? – Universal Serial Bus
10. Where was Human Environment Conference-in 1972 held? – Stockholm
11. How can Image files be sent along with the e-mail documents using? – Attachments
12. By what mechanism does scent spread all over the room if the lid is opened? – Diffusion
13. What is the most important property of nano-materials? – Friction
14. Political leadership of which country is known as 'Princeling'? – China
15. Which European country has the maximum number of running nuclear reactors? – France
16. Who discovered that malaria is caused by a particular type of mosquito? – Ronald Ross
17. In which country Khumbum monastery is situated? – China
18. How is the form of government of Newzealand? – Parliamantary
19. By which a  typical black hole is always specified? – A horizon
20. The invention of which thing did lead to the third generation of computers? – Integrated Chips
21. Which President of MCC was a non-professional cricketer? – Christopher Martin Jenkins
22. Which standard protocols is the most widely used by the Internet? – TCP/IP
23. By whom was the concept of "Green House Gases" postulated? – Joseph Furier
24. 'State is a necessary evil' with which is it associated with– Individualism
25. What are the pollutants which move downward with percolating groundwater called? – Leachates
26. For which purpose is Piped Natural Gas (PNG) is used? – Cooking
27. Which is the Satellite having the same orbital period as the period of rotation of the Earth about its own axis? – Geostationary satellite
28. In which system does Fascism believe? – One party system
29. Which woody raw material is used for making of paper pulp– Poplar
30. Who is a sports-person who has won the maximum number of gold medals in Summer Olympic Games? – Michael Phelps

GENERAL AWARENESS PRACTICE QUESTIONS FOR RRB EXAMS

1. In which country was Environmental impact assessment first formally established in 1969 ? – United States
2. Which device is generally used to check multiple choice questions? – OMR
3. Which was the first recipient of the "Bharat Ratna" Award posthumously? – Lal Bahadur Shastri
4. Which European Union country has its own currency and has not switched over to Euro? – Sweden
5. Which is the most stable ecosystem? – Ocean
6. Which American President was a famous film/T.V. star before he became the President? – Ronald Regan
7. Where is the Central Food Technological Research Institute (CFTRI) is located? – Mysore
8. How many countries in. Africa are members of the Organisation of Petroleum Exporting Countries (OPEC) ? – 3
9. By default, to run an application through mouse which has to be done? – Double click
10. By whom was the first computer mouse was built? – Douglas Engelbart
11. Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills? – Pseudomonas
12. Multi-purpose river valley projects are "New temples of modern India". By whom was the above statement was made? – Jawaharlal Nehru
13. Of which state are Apatanis are the major tribal group? – Arunachal Pradesh
14. What is the Coating of solid waste with impervious material? – Encapsulation
15. Who is the founder of "Facebook" which is currently the No. 1 social networking website in India? – Mark Zuckerberg
16. Who is the author of the book "No Full Stops in India"? – Mark Tully
17. What does the density of population show? – Man-land ratio
18. Which is the most stable ecosystem? – Ocean
19. Which is a bio-indicator of air pollution? – Lichen
20. Which group refer to dependent population in the population pyramid? – Above 60 years group
21. Where is the The National Institute for the Mentally Handicapped situated? – Hyderabad
22. Where was the first meeting of Non Aligned Nations (NAM) held? – Belgrade
23. By which Prime minister was the policy of liberalisation, 'privatisation and globalisation’ announced as New Economic Policy? – Narsimha Rao
24. Which is not a human right group? – Greenpeace Movement
25. Which air pollutant can affect blood stream leading to death? – Carbon monoxide 

RRC Jabalpur Group D Solved Question Paper (Exam Held on 30-11-2014)

1. What kind of reaction is highly Hanikarka emits radiation? 
(A) photochemical reaction (b) fission reaction (c) chemical reaction (d) liquefaction reaction (Ans: b) 

2. Election of Vice President of India who does? 
(A) the Lok Sabha and the Rajya Sabha (b) members of the Council, (c) an elected member of the Rajya Sabha (d) None of the above (Ans: a) 

3. 'Rail Bandhu' is- 
(a) capital / Century / Watanu Kulit Durnto express trains available in a journal of the Indian Railways 
(b) a web site of each railway division 
(c) emergency aid for a medical officer in each train 
(d) Rajdhani / Shatabdi and air-conditioned Durnto Express trains, each AC The security guard in bin 
(Ans: a) 

4. In which Indian city headquarters of two railway zones? 
(A) Jabalpur (b), New Delhi (c) Hubli (d) Mumbai (Ans: d) 

5. By what name was known in his childhood Chanakya? 
(A) Devgupt (b) Vishnugupta (c) Chanakya (d) Ajay (Ans: b) 
6. Which of these is a famous festival of Assam? 
(A) Onam (b) Yugadi (c) Rongali Bihu (d) Makar Sankranti (Ans: c) 

7. credit card (credit card) are known to- 
(a) supple posture (plastic money) (b) hard currency (Hard Money) (c) paper money (soft money) (d) easy money (Easy Money) (Ans: a) 

8. When was the first election to the Lok Sabha? 
(A) 1952 (b) 1954 (c) 1953 (d) 1947 (Ans: a) 

9. The first month of the Indian national calendar is- 
(a) cornered (b) Magh (c) Chatr (d) Aashaadh (Ans: c) 

10. Who is the President of the Council? 
(A) President (b) Vice President (c) Prime Minister (d) any one state governor (Ans: b) 

11. CPU whose abbreviated form? 
(A) central protocol unit (b) Computer Protocol Unit (c) central programming unit (d) Central Processing Unit (Ans: d) 

12. Which of the following does not cause pollution?
 (A) Burning of rubber (b) the use of solar energy (c) The burning of gasoline (d) All the above (Ans: b) 

13. Which part of the computer refers to the completion of work? 
(A) R. O. M. (ROM) (b) R. A. M. (RAM) (c) Monitor (d) printers (Ans: c) 

14. PARAMM PADAM is? 
(A) Computer (b) radar (c) supercomputer (d) aircraft (Ans: c) 

15. Globalisation, to- 
(a) the integration of the various sectors of the economy (b) of the domestic economy with the global economy integration ( c) the integration of the economy (d) money market integration (Ans: b) 

16. Which is the planet Earth, most located? 
(A) Earth (b) Jupiter (c) Tue (d) Neptune (Ans: d) 

17. Maulana Azad Education-A-Baligan What is the main goal? 
(A) to build homes for Visthapiten (b) the dissemination of religious harmony (c) Fund for Agricultural Promotion (d) of the Muslim community to increase literacy (Ans: d) 

18. eg 'cup' the 'crockery' is concerned, Vas as 'Pen' is related to the ...........
 (A) books, (b) stationery (c) paper (d) nozzle (Ans: b) 

19. 'Roulette law when passed? 
(A) 1922 (b) 1921 (c) 1920 (d) 1919 (Ans: d) 

20. Election of mismatch Kijia- 
(a) September (b) November (c) in October (d) in January (Ans: c) 

21 . The female reproductive hormone to- 
(a) estrogen (b) progesterone (c) Rileksin (d) None of these (Ans: a) 

22. When the Constitution was adopted? 
(A) 26 नवम्बर, 1949 (b) 15 अगस्त, 1947 (c) 26 जनवरी, 1950 (d) 2 अक्टूबर, 1952 (Ans: a) 

23. Which of the following countries is a permanent member of UN Security Council ? 
(A) Italy (b) France (c) Germany (d) Japan (Ans: b) 

24. electric heating element for heating devices which are built by Alloy? 
(A) German silver (b) soldering (c) nichrome (d) composite steel (Ans: c) 

25. ISRO chairman who? (A) d. D. Patil (b) law. Madhavan Nair (c) s. S. Patil (d) None of these (Ans: d) 

26. Enhanced industry in India is the best example of capital to- 
(a) the tourism industry, (b) the steel industry, (c) sports commodity related industries (d) Textile Industry (Ans : b) 

27. Where -2014 International Petroleum Conference concluded?
 (A) New Delhi (India) (b), Seoul (South Korea) (c), Hyderabad (India) (d) Abu Dhabi (UAE) (Ans: a) 

28. 'plastic money' following the word relationship What's in writing from? 
(A) ATM card / credit card (b) coated with plastic currency notes (c) Foreign Currency (d) None of the above (Ans: a) 

29. Indian Institute of Forest Management where it is located? 
(A) Dehradun (b) Hisar (c) Bhopal (d) Chennai (Ans: c) 

30. Who was Bahadur Shah Zafar? 
(A) Maratha successor (b) the successor of Sher Shah Suri (c) last Mughal emperor (d) final Lodi ruler (Ans: c) 

31. One carat diamond is equal 
(a) 250 min. G (b) 150 min. G (c) 100 min. G (d) 200 min. Village (Ans: d) 

32. Forms are numbers of neutrons in isotopic 
(a) uniform 
(b) (a) and (d) both 
(c) None 
(d) other (Ans: d) 

33. 'zero Era 'Who is on voluntarily? 
(A) Prime Minister
 (b) the opposition leader,
 (c) Chairman 
(d) President 
(Ans: c) 

34. 1857 revolution who was governor-general of India? 
(A) Lord Dalhousie 
(b) Lord Kenning 
(c) Lord Mayo 
(d) Lord Rippan 
(Ans: b) 

35. Parliament 'Union budget' Who serves? 
(A) Prime Minister 
(b) Parliamentary Affairs Minister 
(c) by the Finance Minister 
(d) Lok Sabha Speaker 
(Ans: c) 

36. Where is the headquarters of the Reserve Bank? 
(A) Mumbai 
(b) Chennai 
(c) Kolkata 
(d) Delhi 
(Ans: a) 

37. World's Greatest Au Sdi (pharmaceutical) What is the maker companies? 
(A), Sun Pharma (b) Pfizer 
(c) GlaxoSmithKline 
(d) None of these 
(Ans: b) 

38. Who is the Chief Minister's appointment? 
(A) by the chairman of the Party
 (b) by the Chief Justice of the High Court 
(c) by the President of India 
(d) by the Governor 
(Ans: d)