RRB Group D — Set 29
40 questions
Which is the smallest bone in the human body?
Correct Answer: A. Stapes
The stapes is the smallest bone located in the middle ear. It helps in transmitting sound vibrations to the inner ear. It is approximately 3 millimeters long.
Who was the 24th and last Tirthankara of Jainism?
Correct Answer: B. Lord Mahavira
Lord Mahavira was the final Tirthankara who revived the Jain philosophy. He was born in Kundagrama near Vaishali in Bihar. He attained enlightenment after 12 years of intense penance.
The 73rd Constitutional Amendment Act is related to which of the following?
Correct Answer: C. Panchayati Raj System
Panchayati Raj System is the correct answer to this question. This is an important fact from the General Knowledge and Current Affairs syllabus frequently tested in Indian competitive examinations such as SSC CGL, RRB NTPC, and state-level PSC exams. A thorough understanding of Panchayati Raj System and related topics will help candidates score well in the GK section. Regular revision of such key facts is highly recommended for exam preparation.
Which country is the largest producer of coffee in the world?
Correct Answer: D. Brazil
Brazil has been the world's leading coffee producer for over 150 years. It accounts for about one-third of the global coffee supply. The state of Minas Gerais is its most productive region.
Who was the first foreigner to be honored with the Bharat Ratna award?
Correct Answer: A. Khan Abdul Ghaffar Khan
Khan Abdul Ghaffar Khan was a prominent Pashtun leader known as Frontier Gandhi. He received India's highest civilian award in the year 1987. He was a close associate of Mahatma Gandhi during the freedom struggle.
What is the chemical name of 'Dry Ice'?
Correct Answer: B. Solid Carbon dioxide
Dry ice is the solid form of carbon dioxide gas. It is called dry ice because it turns directly into gas without melting. It is widely used for cooling and preserving food items.
To whom does the Speaker of the Lok Sabha submit their resignation?
Correct Answer: C. Deputy Speaker of Lok Sabha
The Speaker addresses their resignation letter to the Deputy Speaker. Similarly, the Deputy Speaker submits their resignation to the Speaker. This mutual resignation process is defined in the Constitution.
A 'Light-year' is a unit of which of the following?
Correct Answer: D. Distance
A light-year is the distance that light travels in one year. It is used to measure vast distances between stars and galaxies. One light-year is approximately 9.46 trillion kilometers.
The 'Davis Cup' is associated with which of the following sports?
Correct Answer: A. Tennis
The Davis Cup is the premier international team event in men's tennis. It is often described as the 'World Cup of Tennis'. The competition began in 1900 and involves various nations.
In which Indian state is the 'Silent Valley National Park' located?
Correct Answer: B. Kerala
Silent Valley is located in the Palakkad district of Kerala. It is famous for its rich biodiversity and the endangered lion-tailed macaque. The park is situated in the Nilgiri Hills region.
What is the unit of the power of a lens?
Correct Answer: C. Dioptre
Dioptre is the standard unit used to measure the refractive power of a lens. It is equal to the reciprocal of the focal length in meters. Positive values represent convex lenses and negative values represent concave lenses.
The region known as 'Doldrums' is located near which of the following?
Correct Answer: D. Equator
Doldrums are regions of calm winds and low pressure near the Equator. This zone is also called the Intertropical Convergence Zone. Sailing ships often get stuck here due to lack of wind.
Which type of lens is used to correct the eye defect known as Myopia?
Correct Answer: A. Concave lens
Myopia or nearsightedness is corrected by using a concave lens. This lens diverges incoming light rays to focus them correctly on the retina. It helps the person see distant objects clearly.
The first Five Year Plan in India was launched in which year?
Correct Answer: B. 1951
The first plan was launched in 1951 with a focus on agriculture. It was based on the Harrod-Domar model of economic growth. This plan successfully initiated the industrialization process in India.
Deficiency of Vitamin D causes which of the following diseases?
Correct Answer: C. Rickets
Rickets causes the softening and weakening of bones in children. It is primarily caused by a lack of Vitamin D or calcium. Exposure to sunlight helps the body produce this essential vitamin.
Which is the longest cell in the human body?
Correct Answer: D. Neuron
Neurons or nerve cells are the longest cells that transmit signals. Some neurons can reach a length of over one meter in the human body. They are the fundamental units of the nervous system.
The alloy 'Brass' is a mixture of which two metals?
Correct Answer: A. Copper and Zinc
Brass is primarily composed of copper and zinc in varying proportions. It is known for its bright gold-like appearance and durability. It is widely used in making musical instruments and decorative items.
What is the common name for 'Copper Sulphate'?
Correct Answer: B. Blue Vitriol
Copper Sulphate pentahydrate is commonly known as blue vitriol. It has a distinctive bright blue color in its hydrated form. It is often used as a fungicide and in electroplating processes.
In which year was 'Project Tiger' launched in India?
Correct Answer: C. 1973
Project Tiger was launched in April 1973 from Corbett National Park. It aims to ensure a viable population of Bengal tigers in their natural habitats. It is one of the most successful wildlife conservation projects.
Which is the largest muscle in the human body?
Correct Answer: D. Gluteus maximus
The gluteus maximus is the largest and heaviest muscle in the body. It is located in the buttocks and helps in maintaining upright posture. It is vital for movements like climbing stairs or running.
Pulicat Lake is situated on the border of which two Indian states?
Correct Answer: A. Andhra Pradesh and Tamil Nadu
Pulicat Lake is the second largest brackish water lagoon in India. It is located on the boundary of Andhra Pradesh and Tamil Nadu. The Satish Dhawan Space Centre is situated on Sriharikota island within this lake.
Which Mughal Emperor built the Red Fort in Delhi?
Correct Answer: B. Shah Jahan
Shah Jahan commissioned the construction of the Red Fort in 1638. It served as the main residence of the Mughal emperors for nearly 200 years. The fort is made of red sandstone and is a UNESCO site.
The 'Right to Privacy' is a part of which Article of the Constitution?
Correct Answer: C. Article 21
The Right to Privacy is protected under Article 21 of the Indian Constitution as part of the Right to Life and Personal Liberty. In the landmark K.S. Puttaswamy v. Union of India case (2017), the Supreme Court unanimously declared that Article 21 includes the right to privacy as a fundamental right. Article 21 provides that no person shall be deprived of life or personal liberty except according to procedure established by law.
The Gobi Desert is located in which continent?
Correct Answer: D. Asia
The Gobi Desert is a large cold desert region in East Asia. It covers parts of northern and northwestern China and southern Mongolia. It is known for its role in the historic Silk Road.
What is the highest gallantry award in India during wartime?
Correct Answer: A. Param Vir Chakra
Param Vir Chakra is the highest military decoration for bravery in the face of the enemy. Major Somnath Sharma was the first recipient of this prestigious award. It is equivalent to the Victoria Cross in the UK.
Who is the author of the autobiography 'The Story of My Experiments with Truth'?
Correct Answer: B. Mahatma Gandhi
This book covers the life of Mahatma Gandhi from his childhood to 1921. It was originally written in the Gujarati language. It details his spiritual and moral journey through his principles.
On which day is 'World Water Day' observed globally?
Correct Answer: C. March 22
World Water Day is observed every year on March 22. It highlights the importance of freshwater and advocates for sustainable management. The initiative was first proposed at a 1992 UN conference.
What is the official currency of Japan?
Correct Answer: D. Yen
The Yen is the official currency of Japan and a major reserve currency. It is issued by the Bank of Japan, which is the central bank. It is one of the most traded currencies in the world.
The Battle of Haldighati was fought in which year?
Correct Answer: A. 1576
The battle took place in June 1576 between Maharana Pratap and the Mughal forces. The Mughal army was led by Man Singh I of Amber. It remains one of the most significant battles in Rajput history.
Who is known as the 'Father of Modern Chemistry'?
Correct Answer: B. Antoine Lavoisier
Antoine Lavoisier established the law of conservation of mass. He correctly identified and named oxygen and hydrogen elements. His work transformed chemistry from a qualitative to a quantitative science.
Which Article of the Constitution gives the Parliament the power to amend it?
Correct Answer: C. Article 368
Article 368 in Part XX deals with the amendment procedures of the Constitution. It allows for changes to reflect the evolving needs of the nation. Some parts require a special majority for any modification.
What is the capital city of Bhutan?
Correct Answer: D. Thimphu
Thimphu is the capital and largest city of the Kingdom of Bhutan. It became the permanent capital of the country in 1961. It is located in the western central part of Bhutan.
The study of Fungi is known as?
Correct Answer: A. Mycology
Mycology is the branch of biology concerned with the study of fungi. This includes their genetic and biochemical properties and their use to humans. Fungi play a vital role as decomposers in the ecosystem.
Where is the headquarters of UNICEF located?
Correct Answer: B. New York
UNICEF provides humanitarian and developmental aid to children worldwide. Its headquarters is situated in New York City, USA. It was created by the UN General Assembly in 1946.
Who was the author of the national song 'Vande Mataram'?
Correct Answer: C. Bankim Chandra Chattopadhyay
Bankim Chandra Chattopadhyay wrote this song in his 1882 novel Anandamath. It played a major role in the Indian independence movement. It was adopted as the national song of India in 1950.
The concept of 'Fundamental Rights' in the Indian Constitution was borrowed from?
Correct Answer: D. USA
The concept of 'Fundamental Rights' in the Indian Constitution was borrowed from the USA, specifically from the Bill of Rights. The American Constitution's Bill of Rights (1791) provided the model for including enforceable rights in India's Constitution. India's Fundamental Rights in Part III were influenced by the USA's approach of making rights judicially enforceable. Like the USA, India also made these rights justiciable, meaning courts can enforce them.
What is the unit used to measure the intensity of sound?
Correct Answer: A. Decibel
The decibel (dB) is a logarithmic unit used to express the intensity of sound. A normal conversation is usually around 60 decibels. Prolonged exposure to levels above 85 dB can cause hearing loss.
The first Asian Games were held in which city in 1951?
Correct Answer: B. New Delhi
The inaugural Asian Games took place in New Delhi, India. They were officially opened by President Rajendra Prasad at the Dhyan Chand Stadium. Eleven nations participated in this historic sporting event.
Kuchipudi is a classical dance form of which Indian state?
Correct Answer: C. Andhra Pradesh
Kuchipudi originated in a village of the same name in Andhra Pradesh. It is known for its fast footwork and dramatic storytelling. It traditionally combines both speech and dance elements.
Which gas is primarily used in fire extinguishers to put out electrical fires?
Correct Answer: D. Carbon dioxide
Carbon dioxide extinguishers are effective because they displace oxygen. They are non-conductive, making them safe for use on electrical equipment. They do not leave any residue after use.