Boost your RRB NTPC exam preparation with these very important RRB NTPC GK questions!
1. The sky appears blue due to:
A) Rayleigh scattering
B) Mie scattering
C) Back scattering
D) None of the above
Answer: A) Rayleigh scattering
Explanation: The sky appears blue because of Rayleigh scattering. When sunlight passes through Earth’s atmosphere, shorter wavelengths of light, such as blue, scatter more than longer wavelengths like red, resulting in the sky’s blue color.
2. The base year of the All-India Wholesale Price Index (WPI) has been revised from 2004-05 to:
A) 2010-11
B) 2015-16
C) 2011-12
D) 2016-17
Answer: C) 2011-12
Explanation: The base year for the Wholesale Price Index (WPI) was updated to 2011-12 to more accurately reflect current economic trends and provide an improved measure of inflation over time.
3. The numerical value of a physical quantity is its:
A) Vector
B) Magnitude
C) Direction
D) Property
Answer: B) Magnitude
Explanation: Magnitude represents the size or quantity of a physical property. It provides a numerical value that describes the extent of the quantity without indicating direction.
4. “Virus” in Latin means:
A) Sweet
B) Small
C) Fluid
D) Poison
Answer: D) Poison
Explanation: The term “virus” originates from Latin, where it translates to “poison” or “toxin,” reflecting its harmful nature, a concept understood even before the scientific study of viruses.
5. Books in electronic formats are called:
A) i-books
B) e-books
C) e-library
D) e-learning
Answer: B) e-books
Explanation: E-books, or electronic books, are digital versions of books that can be read on electronic devices like tablets, e-readers, and computers, providing a portable and convenient alternative to physical books.
6. Where did Lord Buddha deliver his first sermon?
A) Lumbini
B) Bodh Gaya
C) Sarnath
D) Kushinagar
Answer: C) Sarnath
Explanation: Lord Buddha delivered his first sermon at Sarnath after attaining enlightenment. In this sermon, he shared the Four Noble Truths, marking the beginning of his teachings.
7. Which is called the twin city of Kochi?
A) Ernakulam
B) Alwaye
C) Alleppey
D) Kottayam
Answer: A) Ernakulam
Explanation: Ernakulam is considered the twin city of Kochi. Together, these cities form a significant metropolitan area in Kerala, combining commercial and cultural importance.
8. Who was elected the President of the All India Workers and Peasants Party in Calcutta in 1928?
A) M.N. Joglekar
B) Shripad Amrit Dange
C) Sahel Singh Josh
D) Mujaffar Ahmed
Answer: C) Sahel Singh Josh
Explanation: Sahel Singh Josh was a leader of the Workers and Peasants Party, which supported the rights of laborers and farmers during India’s freedom struggle.
9. Rukmini Devi Arundale is associated with which of the arts?
A) Classical singing
B) Classical dance
C) Folk song
D) No option is correct
Answer: B) Classical dance
Explanation: Rukmini Devi Arundale was a significant figure in classical Indian dance, particularly Bharatanatyam, which she revived and promoted as a respected art form.
10. Each trait in a child can be influenced by:
A) Only paternal DNA
B) Only maternal DNA
C) Both paternal and maternal DNA
D) Neither paternal nor maternal DNA
Answer: C) Both paternal and maternal DNA
Explanation: A child’s traits are shaped by genetic material inherited from both parents, as each parent contributes half of the child’s DNA, creating a unique combination of traits.
RRB NTPC GK Questions in English
11. The Comptroller and Auditor General of India is appointed by:
A) Prime Minister of India
B) Judge of the Supreme Court
C) President of India
D) Chief Election Commissioner of India
Answer: C) President of India
Explanation: The President of India appoints the Comptroller and Auditor General (CAG), who audits government finances to ensure accountability and transparency.
12. Why do desert plants take up carbon dioxide for photosynthesis at night?
A) To prevent water loss
B) To enhance carbon absorption
C) To release excess oxygen
D) No option is correct
Answer: A) To prevent water loss
Explanation: Desert plants use a process called CAM (Crassulacean Acid Metabolism) photosynthesis, where they absorb carbon dioxide at night to minimize water loss during the day when temperatures are higher.
13. In a synapse, information is transmitted in the form of:
A) Biological
B) Chemical
C) Electrical
D) No option is correct
Answer: B) Chemical
Explanation: In a synapse, information is transmitted through chemical signals, or neurotransmitters, that bridge the gap between neurons, enabling communication in the nervous system.
14. Who is considered the political guru of Mahatma Gandhi?
A) Dadabhai Naoroji
B) Gopal Krishna Gokhale
C) Lala Lajpat Rai
D) Bal Gangadhar Tilak
Answer: B) Gopal Krishna Gokhale
Explanation: Gopal Krishna Gokhale was a mentor to Mahatma Gandhi, significantly influencing his philosophy of non-violence and political engagement.
15. The two volcanic islands in Indian territory are:
A) Kavaratti and New Moore
B) Pamban and Barren
C) Barren and Narcondam
D) Great Andaman and Little Nicobar
Answer: C) Barren and Narcondam
Explanation: Barren and Narcondam Islands are volcanic islands in the Indian territory, located in the Andaman and Nicobar archipelago. Barren Island is India’s only active volcano.
16. Sadir is an ancient name for which Indian dance style?
A) Kathak
B) Odissi
C) Bharatanatyam
D) Mohiniattam
Answer: C) Bharatanatyam
Explanation: Sadir was the original name for Bharatanatyam, a classical dance form from Tamil Nadu. This dance style was later redefined and popularized as Bharatanatyam.
17. What is the minimum age required to become a member of a municipality?
A) 15 years
B) 20 years
C) 21 years
D) 25 years
Answer: C) 21 years
Explanation: The minimum age required to become a member of a municipality in India is 21 years. This is to ensure that members have attained an age where they can understand civic responsibilities and contribute meaningfully to municipal governance.
18. In which language were the Buddhist literary works generally written?
A) Prakrit
B) Pali
C) Nepalese
D) Sanskrit
Answer: B) Pali
Explanation: Most Buddhist literary works were written in Pali, the language commonly used in ancient Buddhist scriptures. Pali was widely spoken in the region where Buddhism originated, and it became the main language for recording the teachings of Buddha.
19. A ________________ is known by different names in different parts of the world. It is called a ‘hurricane’ in North America.
A) Funnel
B) Whirlpool
C) Cyclone
D) Twister
Answer: C) Cyclone
Explanation: A cyclone is a system of winds rotating inward to an area of low pressure. In different parts of the world, it is called a ‘hurricane’ in North America, a ‘typhoon’ in Asia, and simply a ‘cyclone’ in the Indian Ocean region.
20. Mir Hassan Dehlavi was in the court of whom?
A) Alauddin Khilji
B) Mubarak Khilji
C) Muhammad Bin Tughlaq
D) Firoj Tughlaq
Answer: A) Alauddin Khilji
Explanation: Mir Hasan Dehlavi was a renowned poet and writer who served in the court of Alauddin Khilji. Alauddin Khilji was a prominent ruler of the Khilji dynasty in India, known for his patronage of art and literature.
RRB NTPC GK Questions and Answers
21. Leaving agricultural land uncultivated for some years is known as
A) Intensive farming
B) Fallowing
C) Shifting cultivation
D) Subsistence farming
Answer: B) Fallowing
Explanation: Fallowing is the practice of leaving land uncultivated for a period to allow it to recover and regain nutrients. This helps maintain soil fertility and prevents depletion of essential minerals from overuse.
22. The Currency Convertibility concept in its original form originated in___________.
A) Taylors agreement
B) Wells agreement
C) Bretton Woods agreement
D) Symonds agreement
Answer: C) Bretton Woods agreement
Explanation: The concept of currency convertibility was first introduced under the Bretton Woods Agreement in 1944, which established rules for international financial exchange. It allowed currencies to be convertible into each other under a fixed exchange rate system.
23. What was the name of the operation launched by India to help Bangladesh with the Rohingya crisis?
A) Operation Saksham
B) Operation Manavata
C) Operation Khushhali
D) Operation Insaniyat
Answer: D) Operation Insaniyat
Explanation: Operation Insaniyat was India’s humanitarian mission to assist Bangladesh in providing aid to the Rohingya refugees who fled Myanmar. This operation demonstrated India’s commitment to regional stability and humanitarian values.
24. The mountain formed on the earth’s crust due to tension is called
A) Young folded mountain
B) Old folded mountain
C) Laccolith mountain
D) Block mountain
Answer: D) Block mountain
Explanation: Block mountains are formed by the shifting of large blocks of the earth’s crust due to tension or faulting. This leads to one section being lifted while the adjacent block sinks, creating high ridges and low valleys.
25. Which country’s national flag has a Dragon on it?
A) Nepal
B) Sri Lanka
C) Myanmar
D) Bhutan
Answer: D) Bhutan
Explanation: The national flag of Bhutan features a dragon, symbolizing the strength and purity of the nation. The dragon holds jewels in its claws, representing Bhutan’s wealth and prosperity.
26. India changed over to the decimal system of coinage in___________.
A) April, 1958
B) April, 1959
C) April, 1995
D) April, 1957
Answer: D) April, 1957
Explanation: India adopted the decimal system of coinage in April 1957, simplifying the currency system and making calculations easier. This transition involved dividing the rupee into 100 paise.
27. Iron is prevented from rusting by coating it with zinc. This process is called
A) Galvanisation
B) Corrosion
C) Sublimation
D) Reduction
Answer: A) Galvanisation
Explanation: Galvanization is the process of coating iron or steel with a protective layer of zinc to prevent rusting. Zinc acts as a barrier, protecting the metal from moisture and oxygen, which cause rust.
28. The ‘Dronacharya Award’ is given to __________________?
A) Sportsmen
B) Sports Coaches
C) Umpires
D) Sports Editors
Answer: B) Sports Coaches
Explanation: The Dronacharya Award is an honor given by the Indian government to outstanding sports coaches who have successfully trained athletes and contributed significantly to Indian sports.
29. Most of the population in Sri Lanka follows ___________.
A) Hinduism
B) Islam
C) Christianity
D) Buddhism
Answer: D) Buddhism
Explanation: The majority of Sri Lanka’s population practices Buddhism, making it the dominant religion. Buddhism was introduced to Sri Lanka over two millennia ago and remains integral to the nation’s culture.
30. Which of the following is an example of thermoplastics?
A) Bakelite
B) Melamine
C) PVC
D) No option is correct
Answer: C) PVC
Explanation: PVC (Polyvinyl Chloride) is a type of thermoplastic that can be molded upon heating and retains its shape after cooling. It is commonly used in pipes, cables, and flooring.
RRB NTPC GK Previous Year Questions and Answers
31. In Paramecium, the food is moved to a specific spot by the movement of ______ which covers the entire surface of the cell.
A) Cilia
B) Villi
C) Pseudopodia
D) Vacuole
Answer: A) Cilia
Explanation: Paramecium, a single-celled organism, uses cilia to move food particles to its oral groove. Cilia are small hair-like structures that beat rhythmically to propel food and aid in locomotion.
32. Who was the first woman Prime Minister of Pakistan?
A) Benazir Bhutto
B) Sheikh Hasina Wazed
C) Hina Rabbani Khar
D) None of the options is correct
Answer: A) Benazir Bhutto
Explanation: Benazir Bhutto became the first woman to serve as Prime Minister of Pakistan in 1988, making her the first female leader of a Muslim-majority country.
33. To which field is the Goldman Award related?
A) Environment
B) Scientific research
C) Medical science
D) Agricultural science
Answer: A) Environment
Explanation: The Goldman Environmental Prize, also called the “Green Nobel,” is awarded annually to environmental activists for their contributions to environmental protection and sustainability.
34. Which of the following cereals was among the first to be used by man?
A) Rye
B) Wheat
C) Barley
D) Oat
Answer: B) Wheat
Explanation: Wheat is one of the earliest cultivated crops, with evidence of its use dating back over 10,000 years. It was among the first domesticated grains in the Fertile Crescent.
35. Aflatoxins are produced by
A) Bacteria
B) Algae
C) Viruses
D) Fungi
Answer: D) Fungi
Explanation: Aflatoxins are toxic compounds produced by certain fungi, primarily *Aspergillus flavus* and *Aspergillus parasiticus*, that can contaminate crops like maize and peanuts.
36. The colors of stars depend on their
A) Temperature
B) Distance
C) Radius
D) Atmospheric pressure
Answer: A) Temperature
Explanation: A star’s color reflects its surface temperature. Hotter stars appear blue, while cooler stars appear red, based on the spectrum of black-body radiation they emit.
37. In astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge?
A) Black hole
B) Ozone hole
C) Asteroid belt
D) White hole
Answer: D) White hole
Explanation: A white hole is a theoretical region in space-time that matter and energy can escape from but cannot enter, considered the opposite of a black hole.
38. Which vein brings clean blood from the lungs into the heart?
A) Renal Vein
B) Pulmonary Vein
C) Vena Cava
D) Hepatic Vein
Answer: B) Pulmonary Vein
Explanation: The pulmonary vein transports oxygenated blood from the lungs to the left atrium of the heart, playing a crucial role in systemic circulation.
39. For internal financing of Five-Year Plans, the Government depends on
A) Taxation and public borrowing
B) Taxation, public borrowing, and deficit financing
C) Only taxation
D) Public borrowing and deficit financing
Answer: D) Public borrowing and deficit financing
Explanation: The Indian government primarily relies on public borrowing and deficit financing to fund its Five-Year Plans. Public borrowing involves issuing government bonds and securities, while deficit financing means spending more than the government earns, covering the shortfall by printing money or borrowing from the central bank.
40. A television channel is characterized by
A) Frequency of transmitted signal
B) Velocity of transmitted signal
C) Physical dimension of the television screen
D) Size of picture tube
Answer: A) Frequency of transmitted signal
Explanation: Each television channel operates at a specific frequency, which distinguishes it from others, as the frequency determines the signal’s range and clarity.
RRB NTPC GK Questions
41. If waste materials contaminate the source of drinking water, which disease will spread?
A) Scurvy
B) Typhoid
C) Malaria
D) Anaemia
Answer: B) Typhoid
Explanation: Typhoid fever, caused by *Salmonella typhi*, spreads through contaminated water and food, highlighting the need for clean drinking water sources.
42. IVF (In Vitro Fertilization) Technique was first devised by
A) Patrick Steptoe and Robert Edwards
B) Dr. Henry Dixon
C) Robertson
D) Dr. Martin Cooper
Answer: A) Patrick Steptoe and Robert Edwards
Explanation: Patrick Steptoe and Robert Edwards developed the IVF technique, leading to the birth of the first “test-tube baby” in 1978, a breakthrough in reproductive medicine.
43. Who is the recipient of the first Lifetime Achievement award instituted by the Badminton Association of India?
A) G.S.S.V. Prasad
B) Nandu Patekar
C) P. Gopichand
D) Prakash Padukone
Answer: D) Prakash Padukone
Explanation: Prakash Padukone received the first Lifetime Achievement award from the Badminton Association of India in recognition of his contributions to Indian badminton.
44. The newly hatched tadpole breathes through its
A) Lung
B) External gills
C) Internal gills
D) All of the above
Answer: B) External gills
Explanation: Newly hatched tadpoles use external gills to extract oxygen from water, which allows them to breathe underwater until they develop lungs.
45. In India, who is known as the highest law officer?
A) President of India
B) Attorney General of India
C) Comptroller and Auditor General of India
D) Advocate General of the State
Answer: B) Attorney General of India
Explanation: The Attorney General of India is the highest legal advisor to the Government of India and serves as the chief law officer of the country.
46. Movement of hairs in Drosera is referred to as
A) Heliotropism
B) Thigmotropism
C) Photonastic
D) Seismonastic
Answer: B) Thigmotropism
Explanation: Thigmotropism is the movement of plants in response to touch. In *Drosera* (sundew), the hairs move upon contact with an insect, aiding in trapping prey.
47. Saint Kabir was the disciple of whom?
A) Ramanujacharya
B) Chaitanya Mahaprabhu
C) Swami Haridas
D) Ramananda
Answer: D) Ramananda
Explanation: Saint Kabir, a 15th-century Indian mystic poet, was a disciple of Ramananda, under whom he gained spiritual and philosophical knowledge.
48. Which Vedic text mentioned the eastern and western seas for the first time?
A) Tandya Brahmana
B) Satpath Brahmana
C) Gopath Brahmana
D) Kaustiki Brahmana
Answer: B) Satpath Brahmana
Explanation: The *Satpath Brahmana* mentions both the eastern and western seas, providing an early reference to geographical knowledge in ancient Indian literature.
49. Which planet has the highest revolutionary motion?
A) Mercury
B) Venus
C) Mars
D) Jupiter
Answer: D) Jupiter
Explanation: Jupiter has the highest revolutionary speed among the planets due to its size and gravitational strength, completing its orbit faster than others of its type.
50. Exobiology is a science that deals with
A) Extinct forms
B) Life on other planets
C) Life in outer space
D) Life in marine habitat
Answer: C) Life in outer space
Explanation: Exobiology, also known as astrobiology, studies life in outer space, focusing on conditions and possibilities for extraterrestrial life forms.