RRB Group D — Set 4
40 questions
What is the SI unit of power?
Correct Answer: A. Watt
Watt is the SI unit used to measure power. It is defined as the rate of doing work of one joule per second. James Watt was the scientist after whom this unit is named.
In which state is the Sanchi Stupa located?
Correct Answer: B. Madhya Pradesh
Sanchi Stupa is situated in the Raisen district of Madhya Pradesh. It was originally commissioned by the Mauryan Emperor Ashoka. This site is famous for its ancient Buddhist monuments.
Which Article of the Indian Constitution deals with the abolition of untouchability?
Correct Answer: C. Article 17
Article 17 of the Constitution prohibits the practice of untouchability in any form. It is a fundamental right aimed at ensuring social equality. The enforcement of any disability arising out of it is a punishable offense.
Which vitamin deficiency causes the disease Scurvy?
Correct Answer: D. Vitamin C
Scurvy is caused by a significant lack of Vitamin C in the diet. This vitamin is essential for the production of collagen in the body. Citrus fruits like lemons and oranges are rich sources of Vitamin C.
The Hirakud Dam is built across which of the following rivers?
Correct Answer: A. Mahanadi
The Hirakud Dam is constructed across the Mahanadi River in Odisha. It is one of the longest earthen dams in the world. The dam helps in flood control and hydroelectric power generation.
Which of the following is an inert gas?
Correct Answer: B. Neon
Neon is a chemical element that belongs to the noble gas group. These gases are chemically unreactive under standard conditions. Neon is commonly used in advertising signs and glow lamps.
The First Battle of Panipat was fought in which year?
Correct Answer: C. 1526
The First Battle of Panipat took place in 1526 between Babur and Ibrahim Lodi. This battle marked the beginning of the Mughal Empire in India. It was one of the earliest battles involving gunpowder firearms.
Ghoomar is a traditional folk dance of which Indian state?
Correct Answer: D. Rajasthan
Ghoomar is a famous folk dance performed by women in Rajasthan. It involves graceful circular movements and the swirling of colorful skirts. This dance is often performed during festivals and special occasions.
What is the mathematical expression for Ohm's Law?
Correct Answer: A. $V = IR$
The mathematical expression for Ohm's Law is V = IR, where V is voltage in volts, I is current in amperes, and R is resistance in ohms. V = IR states that the voltage across a conductor is proportional to the current through it at constant temperature. This V = IR formula is used in all basic electrical calculations and circuit design. Georg Simon Ohm derived V = IR in 1827 from experimental observations.
Bihu is a major festival celebrated in which state?
Correct Answer: B. Assam
Bihu is the most important cultural festival of Assam. There are three types of Bihu celebrated at different times of the year. It marks the various stages of the agricultural cycle.
What is the chemical formula of bleaching powder?
Correct Answer: C. $CaOCl_2$
$CaOCl_2$ is the chemical formula for calcium hypochlorite, known as bleaching powder. It is widely used for disinfecting drinking water and bleaching clothes. It has a strong smell of chlorine.
Who appoints the Governor of a state in India?
Correct Answer: D. President
The President of India appoints the Governor of each state. A Governor holds office during the pleasure of the President. The normal term for a Governor is five years.
Which is the highest mountain peak located entirely within India?
Correct Answer: A. Kanchenjunga
Kanchenjunga is the highest mountain peak in India and the third highest in the world. It is located on the border between Sikkim and Nepal. Nanda Devi is the highest peak located entirely within Indian territory.
What is the chemical name of common salt?
Correct Answer: B. Sodium Chloride
Sodium Chloride is the chemical name for the salt we use in food. It is an ionic compound with the chemical formula $NaCl$. It is primarily obtained by the evaporation of seawater.
In which year was the Gandhi-Irwin Pact signed?
Correct Answer: C. 1931
The Gandhi-Irwin Pact was signed on March 5, 1931. It was a political agreement between Mahatma Gandhi and the British Viceroy Lord Irwin. It led to the suspension of the Civil Disobedience Movement.
Kaziranga National Park is primarily famous for which animal?
Correct Answer: D. One-horned Rhinoceros
Kaziranga National Park in Assam is home to the world's largest population of one-horned rhinos. It was declared a UNESCO World Heritage Site in 1985. The park also hosts tigers, elephants, and wild water buffalo.
In which of the following mediums does sound travel the fastest?
Correct Answer: A. Steel
Sound travels fastest in solids like steel because the particles are closely packed. It travels slower in liquids and slowest in gases. Sound cannot travel through a vacuum at all.
How many chambers are there in a human heart?
Correct Answer: B. Four
The human heart consists of four chambers: two atria and two ventricles. This structure ensures the separation of oxygenated and deoxygenated blood. It allows for an efficient double circulation system.
The concept of Fundamental Rights in the Indian Constitution was inspired by which country?
Correct Answer: C. USA
The Fundamental Rights in India are inspired by the Bill of Rights of the USA. They are enshrined in Part III of the Indian Constitution. These rights are justiciable and protected by the judiciary.
The 'White Revolution' in India is associated with the production of?
Correct Answer: D. Milk
The White Revolution aimed to increase milk production in India. Dr. Verghese Kurien is known as the Father of the White Revolution. Operation Flood was the program that led to this transformation.
Which formula represents Newton's Second Law of Motion?
Correct Answer: A. $F = ma$
Newton's Second Law of Motion is given by the formula F = ma, where F is the net force, m is the mass, and a is the acceleration produced. The formula F = ma shows that force is directly proportional to both mass and acceleration. Using F = ma, if the mass is constant and the force is doubled, the acceleration also doubles. F = ma is a cornerstone formula in classical physics.
Which planet in our solar system is known as the 'Red Planet'?
Correct Answer: B. Mars
Mars is called the Red Planet due to the iron oxide on its surface. It has a thin atmosphere and features like volcanoes and valleys. It is the fourth planet from the Sun.
Article 324 of the Indian Constitution is related to which body?
Correct Answer: C. Election Commission
Article 324 provides for the establishment and powers of the Election Commission of India. It ensures the conduct of free and fair elections in the country. This body supervises elections to Parliament and State Legislatures.
What is the SI unit of Force?
Correct Answer: D. Newton
The Newton is the SI unit used to measure force. One Newton is the force required to accelerate one kilogram of mass at one meter per second squared. It is named after Sir Isaac Newton.
By what other name was Chanakya, the advisor to Chandragupta Maurya, known?
Correct Answer: A. Kautilya
Chanakya is widely known as Kautilya or Vishnugupta. He authored the Arthashastra, an ancient Indian treatise on statecraft. He played a key role in the establishment of the Maurya Empire.
Silent Valley National Park is located in which Indian state?
Correct Answer: B. Kerala
Silent Valley National Park is located in the Palakkad district of Kerala. It is known for its unique tropical evergreen rain forests. The park is a part of the Western Ghats World Heritage Site.
Which of the following non-metals exists in a liquid state at room temperature?
Correct Answer: C. Bromine
Bromine is the only non-metal that is liquid at standard temperature and pressure. It is a reddish-brown liquid with a sharp, pungent odor. It belongs to the halogen group in the periodic table.
On which date is National Panchayati Raj Day celebrated in India?
Correct Answer: D. April 24
National Panchayati Raj Day is celebrated on April 24 every year. It commemorates the passing of the 73rd Constitutional Amendment Act in 1992. This day celebrates the decentralization of power to the grassroots level.
Which acid is naturally produced in the human stomach to help digestion?
Correct Answer: A. Hydrochloric acid
The stomach produces Hydrochloric acid ($HCl$) to help break down food. It creates an acidic environment necessary for the enzyme pepsin to function. This acid also helps in killing harmful bacteria in the food.
The Sangeet Natak Akademi, India's national academy for music, dance, and drama, is located in?
Correct Answer: B. New Delhi
The Sangeet Natak Akademi is headquartered in New Delhi. It was established by the Government of India in 1953. It is the apex body for the performing arts in the country.
Which metal is found in a liquid state at room temperature?
Correct Answer: C. Mercury
Mercury is the only metal that remains liquid at room temperature. It has a very low freezing point compared to other metals. It is commonly used in thermometers and barometers.
What is the outermost layer of the Earth called?
Correct Answer: D. Crust
The crust is the thin, outermost solid layer of the Earth. It is where all known life exists and where tectonic plates are located. Below the crust lie the mantle and the core.
Who was the founder of the Brahmo Samaj?
Correct Answer: A. Raja Ram Mohan Roy
Raja Ram Mohan Roy founded the Brahmo Samaj in 1828 in Calcutta. He was a great social reformer who campaigned against the Sati system. He is often called the Father of the Indian Renaissance.
Where is the headquarters of UNESCO located?
Correct Answer: B. Paris
The headquarters of UNESCO is situated in Paris, France. UNESCO stands for United Nations Educational, Scientific and Cultural Organization. It was founded in 1945 to promote international cooperation.
Which type of mirror is used as a rear-view mirror in vehicles?
Correct Answer: C. Convex mirror
Convex mirrors are used in vehicles because they provide a wider field of view. They always form an erect and diminished image of distant objects. This helps drivers see a large area of traffic behind them.
Article 51A of the Indian Constitution contains which of the following?
Correct Answer: D. Fundamental Duties
Article 51A lists the Fundamental Duties of the citizens of India. These were added by the 42nd Amendment Act in 1976. There are currently eleven fundamental duties listed in this article.
The Gateway of India is located in which city?
Correct Answer: A. Mumbai
The Gateway of India is an iconic monument located on the waterfront in Mumbai. It was built to commemorate the visit of King George V and Queen Mary to India. The structure was completed in 1924.
Which is the largest gland in the human body?
Correct Answer: B. Liver
The liver is the largest internal organ and gland in the human body. It plays a vital role in detoxifying chemicals and metabolizing drugs. It also secretes bile which helps in digestion.
What is the SI unit of frequency?
Correct Answer: C. Hertz
Hertz is the SI unit used to measure frequency. One Hertz represents one cycle per second. It is named after the German physicist Heinrich Hertz.
Who was the first Speaker of the Lok Sabha?
Correct Answer: D. G.V. Mavalankar
Ganesh Vasudev Mavalankar was the first Speaker of the Lok Sabha. He served in this position from 1952 to 1956. He is popularly known as 'Dadasaheb' in Indian political history.