Bihar Police GK Questions: Get Ready for the Competitive Exam!
Prepare with our collection of key General Knowledge questions for the Bihar Police exam. This guide will help you strengthen your knowledge and improve your chances of getting a top government job. Use these questions to boost your confidence and succeed in your career!
1. For which of the following commissions is there no provision in the Indian Constitution?
A) Election Commission
B) Finance Commission
C) Planning Commission
D) Union Public Service Commission
Answer: C) Planning Commission
Explanation: The Planning Commission, established in 1950, was not a constitutional body but was created by an executive resolution. The other commissions, like the Election Commission, Finance Commission, and Union Public Service Commission, have provisions in the Indian Constitution.
2. Which Sultan received robes of honor from the Caliph?
A) Alauddin Khilji
B) Iltutmish
C) Balban
D) Qutubuddin Aibak
Answer: B) Iltutmish
Explanation: Iltutmish, the Sultan of Delhi, was the first ruler in India to receive a robe of honor and a letter of investiture from the Abbasid Caliph, recognizing him as the legitimate ruler of the Delhi Sultanate.
3. Which of the following lines is not a boundary between two countries?
A) International Date Line
B) McMahon Line
C) Radcliffe Line
D) Durand Line
Answer: A) International Date Line
Explanation: The International Date Line is an imaginary line on the Earth’s surface that separates two consecutive calendar days. It is not a boundary between countries, unlike the McMahon Line, Radcliffe Line, and Durand Line.
4. Which of the following languages is not specified in the Eighth Schedule of the Indian Constitution?
A) Urdu
B) English
C) Sindhi
D) Sanskrit
Answer: B) English
Explanation: The Eighth Schedule of the Indian Constitution lists the recognized languages of India. English is not included in this schedule, while Urdu, Sindhi, and Sanskrit are.
5. Which of the following is an indirect tax?
A) Capital Gains Tax
B) Excise Duty
C) Wealth Tax
D) Estate Duty
Answer: B) Excise Duty
Explanation: Excise duty is an indirect tax imposed on the manufacture of goods, while taxes like Capital Gains Tax, Wealth Tax, and Estate Duty are direct taxes.
6. What is the lake formed in the bend of a meandering river called?
A) Playa Lake
B) Meteoric Lake
C) Ox-Bow Lake
D) Kettle Lake
Answer: C) Ox-Bow Lake
Explanation: An ox-bow lake is formed when a wide meander from the main stem of a river is cut off, creating a free-standing body of water.
7. What is the rapid growth of plankton on the surface of lake or pond water called?
A) Eutrophication
B) Algal Bloom
C) Water Pollution
D) Water Sumbul
Answer: B) Algal Bloom
Explanation: An algal bloom is a rapid increase or accumulation in the population of algae in water systems, often resulting in visible patches on the surface.
8. Which Indian state is leading in the ship-breaking industry?
A) Tamil Nadu
B) Maharashtra
C) Gujarat
D) West Bengal
Answer: C) Gujarat
Explanation: Gujarat, particularly the Alang ship-breaking yard, is known to be the largest ship-breaking yard in the world, making it the leading state in the ship-breaking industry in India.
9. During Margaret Thatcher‘s tenure as Prime Minister, which country did Britain fight to regain control over the Falkland Islands?
A) Chile
B) Argentina
C) Brazil
D) None of the above
Answer: B) Argentina
Explanation: The Falklands War in 1982 was fought between the United Kingdom and Argentina over the Falkland Islands, a British overseas territory in the South Atlantic. Margaret Thatcher was the Prime Minister of the UK during this conflict.
10. Where is the tallest statue of Mahatma Gandhi in the world located?
A) Champaran
B) Patna
C) Lucknow
D) Rajkot
Answer: B) Patna
Explanation: The tallest statue of Mahatma Gandhi in the world, standing at 70 feet, is located in Gandhi Maidan, Patna, Bihar. This statue commemorates the leader’s contribution to India’s freedom struggle.
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11. What is the primary source of information on Ashoka’s campaign against Kalinga?
A) Pillar Edict VII
B) Mahavamsa
C) Divyavadana
D) Rock Edict XIII
Answer: D) Rock Edict XIII
Explanation: Rock Edict XIII of Ashoka provides detailed information on his campaign against Kalinga and his subsequent transformation towards non-violence and Buddhism. It reflects Ashoka’s remorse over the violence caused during the war.
12. Which state has adopted the Neem tree as its state tree?
A) Maharashtra
B) Tamil Nadu
C) Kerala
D) Andhra Pradesh
Answer: D) Andhra Pradesh
Explanation: The Neem tree (Azadirachta indica) is the state tree of Andhra Pradesh. It is known for its medicinal properties and is widely used in traditional Indian medicine.
13. A contour line is an imaginary line that connects points of equal ___________.
A) Rainfall
B) Humidity
C) Elevation
D) Temperature
Answer: C) Elevation
Explanation: Contour lines on a map represent lines of equal elevation above sea level. They are used in topographical maps to show the shape and elevation of the land.
14. The sale of government shares to private companies is called __________.
A) Investment
B) Disinvestment
C) Centralization
D) Decentralization
Answer: B) Disinvestment
Explanation: Disinvestment is the process of selling or liquidating an asset or subsidiary. In the context of government, it refers to the sale of shares in public sector enterprises to private companies or the general public.
15. Which was the first state in India to enact the Food Security Act?
A) Chhattisgarh
B) Gujarat
C) Tamil Nadu
D) Bihar
Answer: A) Chhattisgarh
Explanation: Chhattisgarh was the first state in India to enact its own Food Security Act in 2012, which aimed to provide food grains at subsidized rates to the poor.
16. Which Article of the Indian Constitution provides for equal opportunities for citizens in matters of public employment?
A) Article 22
B) Article 16
C) Article 20
D) Article 25
Answer: B) Article 16
Explanation: Article 16 of the Indian Constitution guarantees equal opportunity for all citizens in matters related to employment or appointment to any office under the state.
17. Sandstone transforms into which of the following?
A) Shale
B) Slate
C) Quartzite
D) Marble
Answer: C) Quartzite
Explanation: Sandstone, a sedimentary rock, undergoes metamorphism to form quartzite, which is a hard, non-foliated metamorphic rock consisting mainly of quartz.
18. Who can collect taxes on professions?
A) Only the State Government
B) Both State and Central Governments
C) Only the Panchayat
D) Only the Central Government
Answer: A) Only the State Government
Explanation: The authority to collect taxes on professions, trades, callings, and employments is vested solely with the state governments as per the Indian Constitution (Article 276).
19. Which of the following is contrary to a democratic situation?
A) Dictatorship
B) Republic
C) Socialism
D) Monarchy
Answer: A) Dictatorship
Explanation: A dictatorship is a form of government where absolute power is concentrated in the hands of a single ruler or a small group. This is the opposite of democracy, where power is vested in the people and their elected representatives.
20. Which of the following is not a function of capital?
A) Transfer of value
B) Accumulation of value
C) Price stabilization
D) Measurement of value
Answer: C) Price stabilization
Explanation: Price stabilization is typically a function of government policy or central banking mechanisms, not a function of capital itself. Capital is mainly used for investment, accumulation, and transfer of value.
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21. What does a closed economy mean?
A) No provision for the public sector
B) No provision for the private sector
C) No well-defined economic policy
D) A country with no imports and exports
Answer: D) A country with no imports and exports
Explanation: A closed economy is one that does not engage in international trade, meaning there are no imports or exports. It is self-sufficient and does not participate in the global market.
22. Under whose rule did the Gandhara period flourish?
A) Kushan Period
B) Satavahana Period
C) Gupta Period
D) Maurya Period
Answer: A) Kushan Period
Explanation: The Gandhara period, known for its distinctive art style that combined Greek and Buddhist elements, flourished under the Kushan Empire, particularly during the reign of Emperor Kanishka.
23. At the equilibrium level:
A) The industry is in equilibrium in the long run
B) Producers incur minimum loss
C) The seller earns maximum profit
D) The firm is in a zero-profit situation
Answer: D) The firm is in a zero-profit situation
Explanation: At the equilibrium level in a perfectly competitive market, firms are in a zero-profit situation (normal profit) where total revenue equals total costs, including opportunity costs.
24. Who said, “Where there is no law, there is no freedom”?
A) Bentham
B) Lenin
C) Marx
D) Locke
Answer: D) Locke
Explanation: John Locke, an English philosopher, argued that freedom is not possible without law. He believed that laws are necessary to protect the rights and freedoms of individuals.
25. Which part of the Indian Constitution is related to the Directive Principles of State Policy?
A) Part I
B) Part II
C) Part IV
D) Part V
Answer: C) Part IV
Explanation: Part IV of the Indian Constitution deals with the Directive Principles of State Policy, which are guidelines for the government to ensure social and economic justice.
26. Which right was removed from the list of Fundamental Rights by the 44th Amendment of the Indian Constitution?
A) Freedom of Speech
B) Equality before Law
C) Right to Property
D) Right to Religion
Answer:C) Right to Property
Explanation: The 44th Amendment of the Indian Constitution, enacted in 1978, removed the Right to Property from the list of Fundamental Rights, making it a legal right instead.
27. Who was the first Chief Minister of Bihar?
A) Krishna Singh
B) K.B. Sahay
C) Mahamaya Prasad Sinha
D) Karpoori Thakur
Answer: A) Krishna Singh
Explanation: Sri Krishna Singh, also known as “Babu,” was the first Chief Minister of Bihar, serving from 1946 to 1961.
28. Which of the following comes under the primary sector of the Indian economy?
A) Textile Industry
B) Dairy
C) Banking
D) Transportation of Goods
Answer:B) Dairy
Explanation: The primary sector of the economy involves activities that are directly related to natural resources. Dairy farming, which involves the production of milk and related products, is part of the primary sector.
29. What is the Japanese Parliament known as?
A) Diet
B) Dail
C) Yuan
D) Tokyo
Answer:A) Diet
Explanation: The Japanese Parliament is called the “Diet,” or “Kokkai” in Japanese. It is a bicameral body consisting of the House of Representatives and the House of Councillors.
30. In which field was Jamini Roy famous?
A) Dancer
B) Magician
C) Cartoonist
D) Painter
Answer:D) Painter
Explanation: Jamini Roy was a renowned Indian painter, famous for his unique style that was inspired by traditional Indian folk art, especially the Kalighat painting style.
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31. The collection of Turushkadanda by the Gahadavala dynasty rulers in Bihar is mentioned in an inscription found in?
A) Gaya
B) Maner
C) Munger
D) Patna
Answer:C) Munger
Explanation: The inscription mentioning the collection of “Turushkadanda” (a kind of tax) by the Gahadavala dynasty was found in Munger, Bihar.
32. Who is the first disabled woman to climb Mount Everest?
A) Samina Baig
B) Arunima Sinha
C) Bachendri Pal
D) Raha Moharrak
Answer:B) Arunima Sinha
Explanation: Arunima Sinha is the first female amputee to climb Mount Everest. She achieved this remarkable feat in 2013, after losing a leg in a tragic train accident.
33. What is the name of the Himalayan peak located in the northwest corner of Bihar?
A) Kaimur Hills
B) Rajgir Hills
C) Kharagpur Hills
D) Someshwar Hills
Answer:D) Someshwar Hills
Explanation: The Someshwar Hills are located in the northwest corner of Bihar, near the Nepal border, and are a part of the Himalayan range.
34. Which of the following states is considered the most flood-prone state in India?
A) Uttarakhand
B) Jharkhand
C) Bihar
D) Nagaland
Answer:C) Bihar
Explanation: Bihar is one of the most flood-prone states in India, with numerous rivers like the Ganges, Kosi, and Gandak causing frequent and severe flooding.
35. Who was the author of the book “Mudrarakshasa”?
A) Kalidasa
B) Kalhana
C) Kautilya
D) Vishakhadatta
Answer:D) Vishakhadatta
Explanation: “Mudrarakshasa” is a Sanskrit play written by Vishakhadatta. It is a historical drama that depicts the cunning strategies of Chanakya in the court of Chandragupta Maurya.
36. Where is the Vishnupad Temple located?
A) Gaya
B) Varanasi
C) Rajgir
D) Nalanda
Answer:A) Gaya
Explanation: The Vishnupad Temple is located in Gaya, Bihar. It is a famous Hindu temple dedicated to Lord Vishnu, and it is believed to be built around the footprint of Lord Vishnu.
37. In which year was the Mahabodhi Temple in Bodh Gaya, Bihar declared a World Heritage Site?
A) 2002
B) 2003
C) 2004
D) 2005
Answer:A) 2002
Explanation: The Mahabodhi Temple in Bodh Gaya, Bihar, was declared a UNESCO World Heritage Site in 2002 due to its significance as a major pilgrimage site for Buddhists around the world.
38. Dr. Rajendra Prasad’s birthplace, Ziradei, falls under which district of Bihar?
A) Patna
B) Madhubani
C) Gaya
D) Siwan
Answer:D) Siwan
Explanation: Dr. Rajendra Prasad, the first President of India, was born in Ziradei, which is located in the Siwan district of Bihar.
39. Which of the following is included among the major industries of North Bihar?
A) Sugar, Jute, Paper, Chemicals, Rubber
B) Sugar, Medicine, Rubber, Motor Vehicles
C) Sugar, Jute, Paper, Medicine
D) All of these
Answer:A) Sugar, Jute, Paper, Chemicals, Rubber
Explanation: The major industries in North Bihar include sugar, jute, paper, chemicals, and rubber. These industries are significant contributors to the region’s economy.
40. Which of the following National Highways passes through Bihar?
A) 77
B) 19
C) 30
D) All of the above
Answer: D) All of the above
Explanation: National Highways 77, 19, and 30 all pass through Bihar, making them important routes for transportation and connectivity in the state.
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41. The density of water is exactly 1 g/cc at which temperature?
A) 0°C
B) 4°C
C) 25°C
D) 100°C
Answer: B) 4°C
Explanation: The density of water is exactly 1 g/cc at 4°C. At this temperature, water reaches its maximum density.
42. Who is the founder of the quantum theory of radiation?
A) Einstein
B) Bohr
C) Planck
D) S.S. Bose
Answer: C) Planck
Explanation: Max Planck is considered the founder of the quantum theory of radiation. He proposed that energy is emitted in discrete packets called quanta.
43. Why is the outer bottom part of cooking utensils left black?
A) It is difficult to clean daily
B) Black surfaces are good conductors of heat
C) Black surfaces are poor conductors of heat
D) Black surfaces are good absorbers of heat
Answer: D) Black surfaces are good absorbers of heat
Explanation: Black surfaces are good absorbers of heat, which helps in cooking food faster by absorbing more heat.
44. Gas thermometers are more sensitive than liquid thermometers because gas?
A) Expands
B) Is lighter
C) Has lower specific heat
D) Has higher specific heat
Answer: C) Has lower specific heat
Explanation: Gas thermometers are more sensitive because gases have lower specific heat capacity, allowing them to respond more quickly to changes in temperature.
45. Sulfuric acid is?
A) Monobasic
B) Dibasic
C) Tribasic
D) Tetrabasic
Answer: B) Dibasic
Explanation: Sulfuric acid (H₂SO₄) is a dibasic acid because it can donate two protons (H⁺) per molecule in an aqueous solution.
46. Which alloy is used for making heating elements in electric heating appliances?
A) Solder
B) Alloy Steel
C) Nichrome
D) German Silver
Answer: C) Nichrome
Explanation: Nichrome is an alloy composed of nickel and chromium, and it is commonly used for making heating elements in electric heaters due to its high resistance and ability to withstand high temperatures.
47. What is the estimated pH of lemon juice?
A) Equal to 7
B) Prediction is not possible
C) Less than 7
D) Greater than 7
Answer: C) Less than 7
Explanation: Lemon juice is acidic in nature, and the pH of an acidic substance is less than 7.
48. During electrorefining, where does the pure metal collect?
A) Vessel
B) Electrolyte
C) Cathode
D) Anode
Answer: C) Cathode
Explanation: In the process of electrorefining, the pure metal is deposited at the cathode, while impurities settle at the anode or are left in the electrolyte solution.
49. Which of the following is the most powerful coagulant?
A) Zinc Chloride
B) Aluminum Chloride
C) Barium Chloride
D) Magnesium Sulfate
Answer: B) Aluminum Chloride
Explanation: Aluminum chloride is a strong coagulant commonly used in water treatment to remove impurities by causing them to clump together.
50. Which chemical is used for cloud seeding in artificial rain?
A) Silver Nitrate
B) Potassium Bromide
C) Silver Iodide
D) Potassium Nitrate
Answer: C) Silver Iodide
Explanation: Silver iodide is widely used for cloud seeding, which involves dispersing it into clouds to encourage the formation of ice crystals, thereby inducing precipitation.
Bihar Police GK Questions
51. Which of the following substances is a liquid non-metal?
A) Mercury
B) Bromine
C) Water
D) Alcohol
Answer: B) Bromine
Explanation: Bromine is a liquid non-metal at room temperature, while mercury is a liquid metal.
52. If sewage is completely oxidized, what form will nitrate take?
A) Nitrite
B) Ammonia
C) Nitramine
D) Nitrate
Answer: D) Nitrate
Explanation: Complete oxidation of sewage converts nitrogenous waste into nitrate, which is a stable and oxidized form of nitrogen.
53. What is the acceptable noise pollution limit in India?
A) Between 16 – 35 decibels
B) Between 40 – 45 decibels
C) Between 60 – 80 decibels
D) Between 10 – 15 decibels
Answer: C) Between 60 – 80 decibels
Explanation: The acceptable noise pollution levels vary by zone, but a typical acceptable range for industrial areas can go up to 75 decibels during the day.
54. Spraying of Endosulfan on cashew crops led to a major pollution disaster in?
A) Kerala
B) Andhra Pradesh
C) Karnataka
D) Tamil Nadu
Answer: A) Kerala
Explanation: The spraying of Endosulfan on cashew plantations in Kerala resulted in a severe environmental and health disaster due to its toxic effects.
55. Transboundary pollution is the cause of acid rain due to?
A) Carbon Monoxide
B) Carbon Dioxide
C) Hydrocarbons
D) Nitrogen Oxides and Sulfur Dioxide
Answer: D) Nitrogen Oxides and Sulfur Dioxide
Explanation: Acid rain is primarily caused by the emission of nitrogen oxides (NOx) and sulfur dioxide (SO₂), which react with water vapor in the atmosphere to form acidic compounds.
56. The Milky Way galaxy was first observed by?
A) Galileo
B) Maarten Schmidt
C) Marconi
D) Newton
Answer: A) Galileo
Explanation: Galileo Galilei was the first to observe the Milky Way in detail with a telescope, recognizing that it was composed of numerous stars.
57. If we measure the time between two sunsets while sitting on the seashore, what can we estimate from that?
A) Distance between the Sun and Earth
B) Depth of the sea
C) Radius of the Earth
D) Radius of the Sun
Answer: C) Radius of the Earth
Explanation: By measuring the time between two sunsets from different points, we can estimate the Earth’s curvature, which can help in calculating the radius of the Earth.
58. Which rocket has provided us with information about Mars?
A) Discovery
B) INSAT 4
C) Atlas 5
D) Cassini
Answer: C) Atlas 5
Explanation: Atlas 5 is a launch vehicle used by NASA for various space missions, including those that provide information about Mars.
59. A portable, personal computer small enough to fit in your lap is known as?
A) Notebook computer
B) PDA (Personal Digital Assistant)
C) Mainframe computer
D) Workstation
Answer: A) Notebook computer
Explanation: A notebook computer, commonly referred to as a laptop, is a small, portable personal computer designed for mobile use.
60. The garden inside the Taj Mahal is known as?
A) Mughal Garden
B) Taj Garden
C) Taj Mahal Garden
D) Palace Garden
Answer: A) Mughal Garden
Explanation: The gardens surrounding the Taj Mahal are designed in the style of traditional Mughal gardens, which include various water channels, walkways, and greenery.
Bihar Police GK Questions and Answers
61. Which medicine is used for the treatment of cataracts?
A) Fexofenadine
B) Ketoconazole
C) Latanoprost
D) Ibuprofen
Answer: C) Latanoprost
Explanation: Latanoprost is commonly used in treating glaucoma and ocular hypertension, which can be related to the management of cataract symptoms.
62. ___________ is a group of chemicals that affect cell division and plant formation?
A) Cytokinesis
B) Gibberellins
C) Dormins
D) Auxins
Answer: D) Auxins
Explanation: Auxins are a class of plant hormones that regulate various aspects of growth and development, including cell elongation and division.
63. Lungs are the primary organs of _________?
A) Digestion
B) Constipation
C) Sweating
D) Respiration
Answer: D) Respiration
Explanation: Lungs are the primary organs responsible for respiration, facilitating the exchange of oxygen and carbon dioxide in the body.
64. Who discovered oxygen?
A) Carl Scheele
B) Hooke
C) Heisenberg
D) William
Answer: A) Carl Scheele
Explanation: Carl Scheele is credited with the discovery of oxygen in the 18th century, although Joseph Priestley and Antoine Lavoisier also made significant contributions.
65. Electrons present in the highest energy level of an atom are called __________?
A) Conductivity Protons
B) Orbital Protons
C) Valence Electrons
D) None of these
Answer: C) Valence Electrons
Explanation: Valence electrons are the electrons located in the outermost shell of an atom and are involved in forming chemical bonds.
66. How many KB are there in 1 GB?
A) 1024
B) 256 x 1024
C) 1024 x 1024
D) 1024 x 1024 x 128
Answer: C) 1024 x 1024
Explanation: 1 GB (Gigabyte) is equal to 1024 MB (Megabytes), and each MB is 1024 KB (Kilobytes), so 1 GB is 1024 x 1024 KB.