RRB Group D — Set 5
40 questions
What is the S.I. unit of Force?
Correct Answer: A. Newton
The S.I. unit of Force is Newton. It is named after the physicist Isaac Newton. One Newton is equal to 1 kg·m/s².
What is the pH value of pure water?
Correct Answer: B. 7
Pure water has a pH value of 7, which makes it chemically neutral. The pH scale ranges from 0 to 14, with values below 7 indicating acidity and above 7 indicating alkalinity. A pH of 7 means equal concentrations of hydrogen (H⁺) and hydroxide (OH⁻) ions. Pure water's neutral pH of 7 makes it an important reference point on the pH scale.
What is the average lifespan of Red Blood Cells (RBCs)?
Correct Answer: C. 120 days
The average lifespan of Red Blood Cells is 120 days. These cells are produced in the bone marrow. After their cycle, they are destroyed in the spleen.
In which year did the First Battle of Panipat take place?
Correct Answer: D. 1526
The First Battle of Panipat took place in 1526. It was fought between Babur and Ibrahim Lodi. This battle marked the beginning of the Mughal Empire in India.
Which part of the Indian Constitution deals with Fundamental Rights?
Correct Answer: A. Part III
Part III of the Indian Constitution deals with Fundamental Rights. These rights are covered from Articles 12 to 35. This section is often described as the Magna Carta of India.
Which is the largest planet in our Solar System?
Correct Answer: B. Jupiter
Jupiter is the largest planet in the Solar System. It is a gas giant primarily composed of hydrogen and helium. Jupiter has a massive storm known as the Great Red Spot.
Kuchipudi is a classical dance form of which Indian state?
Correct Answer: C. Andhra Pradesh
Kuchipudi is a classical dance form of Andhra Pradesh. It is known for its graceful movements and storytelling. Traditionally, it was performed by male dancers called Brahmins.
In which medium does sound travel the fastest?
Correct Answer: D. Steel
Sound travels fastest in solids like steel. This is because molecules in solids are packed tightly together. Sound cannot travel through a vacuum at all.
In which year was the Quit India Movement launched?
Correct Answer: A. 1942
The Quit India Movement was launched in 1942. It was started by Mahatma Gandhi during the Gowalia Tank Maidan speech. The famous slogan 'Do or Die' was given during this movement.
Which house of the Parliament is known as the Lower House?
Correct Answer: B. Lok Sabha
The Lok Sabha is known as the Lower House of Parliament. Its members are directly elected by the citizens of India. The maximum strength of this house is 550 members.
Which is the longest river in India?
Correct Answer: C. Ganga
The Ganga is the longest river in India. It flows through India and Bangladesh covering a distance of 2,525 km. The river originates from the Gangotri Glacier in the Himalayas.
Which organelle is known as the 'Powerhouse of the Cell'?
Correct Answer: D. Mitochondria
Mitochondria are known as the powerhouse of the cell. They generate most of the cell's supply of adenosine triphosphate (ATP). This organelle has its own DNA and ribosomes.
Kathakali is a traditional dance form of which state?
Correct Answer: A. Kerala
Kathakali is a traditional dance-drama from Kerala. It is distinguished by its elaborate colorful makeup and costumes. The themes are usually based on Hindu epics like the Ramayana.
A 'Light Year' is a unit of which physical quantity?
Correct Answer: B. Distance
A light year is a unit of astronomical distance. It represents the distance light travels in one year through a vacuum. One light year is approximately 9.46 trillion kilometers.
Who was the founder of the Maurya Empire?
Correct Answer: C. Chandragupta Maurya
Chandragupta Maurya was the founder of the Maurya Empire. He established the empire with the help of his mentor Chanakya. His reign began after defeating the Nanda Dynasty.
What is the retirement age of a Supreme Court Judge in India?
Correct Answer: D. 65 years
The retirement age of a Supreme Court Judge is 65 years. This age limit is specified in the Constitution of India. High Court judges retire at the age of 62 years.
Which is the highest mountain peak in India?
Correct Answer: A. Kanchenjunga
Kanchenjunga is the highest mountain peak located in India. It is situated on the border between India and Nepal. Kanchenjunga is the third highest mountain in the world.
Which vitamin is found in abundance in citrus fruits like lemons and oranges?
Correct Answer: B. Vitamin C
Vitamin C is found in abundance in citrus fruits. It is scientifically known as Ascorbic Acid. Deficiency of Vitamin C can lead to a disease called scurvy.
Who was the first woman Prime Minister of India?
Correct Answer: C. Indira Gandhi
Indira Gandhi was the first woman Prime Minister of India. She served as Prime Minister from 1966 to 1977 and again from 1980 to 1984. She was posthumously awarded the Bharat Ratna.
What is the unit of electric current?
Correct Answer: D. Ampere
The unit of electric current is Ampere. It is named after the French physicist André-Marie Ampère. An ammeter is the device used to measure current in a circuit.
Who was the 24th Tirthankara of Jainism?
Correct Answer: A. Lord Mahavira
Lord Mahavira was the 24th and last Tirthankara of Jainism. He was born in Kundagrama near Vaishali. He attained enlightenment under a Shala tree after 12 years of penance.
How many Fundamental Duties are currently mentioned in the Indian Constitution?
Correct Answer: B. 11
There are currently 11 Fundamental Duties in the Indian Constitution. They were added by the 42nd Amendment Act in 1976 based on the Swaran Singh Committee. The 11th duty was added later in 2002.
Which planet is known as the 'Red Planet'?
Correct Answer: C. Mars
Mars is known as the Red Planet. Its reddish appearance is due to the prevalence of iron oxide on its surface. Mars has two moons named Phobos and Deimos.
According to Ohm's Law, what is the relationship between Voltage (V), Current (I), and Resistance (R)?
Correct Answer: D. V = I * R
According to Ohm's Law, the relationship between Voltage (V), Current (I), and Resistance (R) is V = I * R. The formula V = I * R means voltage equals current multiplied by resistance. Ohm's Law in the form V = I * R is the cornerstone of electrical circuit analysis. Using V = I * R, the resistance in a circuit can be calculated as R = V/I, and current as I = V/R.
Which blood group is known as the universal donor?
Correct Answer: A. O negative
O negative is known as the universal donor blood group. It can be given to patients of any blood type in emergencies. This is because it lacks A, B, and Rh antigens.
Who is the ex-officio Chairman of NITI Aayog?
Correct Answer: B. Prime Minister
The Prime Minister of India is the ex-officio Chairman of NITI Aayog. NITI Aayog replaced the Planning Commission in 2015. It serves as the premier policy 'Think Tank' of the government.
Who wrote the national song 'Vande Mataram'?
Correct Answer: C. Bankim Chandra Chattopadhyay
Bankim Chandra Chattopadhyay wrote the national song Vande Mataram. It was first published in his novel titled Anandamath. The song was first sung at a political session in 1896.
Which gas is commonly filled in electric bulbs to prevent the oxidation of the filament?
Correct Answer: D. Argon
Argon is commonly used in electric bulbs. This inert gas prevents the tungsten filament from oxidizing at high temperatures. Sometimes nitrogen is also mixed with argon for this purpose.
What is the minimum age required to become the President of India?
Correct Answer: A. 35 years
A person must be at least 35 years old to become the President of India. The President is the first citizen and the supreme commander of the armed forces. The term of office is five years.
Which Indian state has the longest coastline?
Correct Answer: B. Gujarat
Gujarat has the longest coastline among all Indian states. It stretches over approximately 1,600 kilometers. The state is bounded by the Arabian Sea on its western side.
Who founded the Arya Samaj in 1875?
Correct Answer: C. Swami Dayanand Saraswati
Swami Dayanand Saraswati founded the Arya Samaj in 1875. He gave the famous call 'Go back to the Vedas'. His major literary work is titled Satyarth Prakash.
Which is the largest gland in the human body?
Correct Answer: D. Liver
The liver is the largest gland and the largest internal organ in the body. It plays a vital role in detoxifying chemicals and metabolizing drugs. The liver also produces bile for digestion.
What is the capital of Japan?
Correct Answer: A. Tokyo
Tokyo is the capital and the largest city of Japan. It is located on the eastern coast of Honshu island. Tokyo was formerly known by the name Edo.
What is the chemical name of common salt?
Correct Answer: B. Sodium Chloride
The chemical name of common salt is Sodium Chloride. Its chemical formula is represented as NaCl. Salt is essential for many biological functions and food preservation.
Which article of the Indian Constitution provides for the Right to Education?
Correct Answer: C. Article 21A
Article 21A provides for the Right to Education. It ensures free and compulsory education for children between 6 and 14 years. This article was added by the 86th Amendment Act.
Kaziranga National Park is located in which state?
Correct Answer: D. Assam
Kaziranga National Park is located in the state of Assam. It is famous for being home to the world's largest population of one-horned rhinoceroses. It is also a UNESCO World Heritage site.
Which instrument is used to measure the humidity in the air?
Correct Answer: A. Hygrometer
A hygrometer is used to measure the moisture or humidity in the air. This device is important for meteorology and industrial processes. High humidity indicates a large amount of water vapor.
Who was the first Governor-General of Bengal?
Correct Answer: B. Warren Hastings
Warren Hastings was the first Governor-General of Bengal. He was appointed following the Regulating Act of 1773. He played a key role in centralizing British administration in India.
What is the study of fungi called?
Correct Answer: C. Mycology
The study of fungi is called mycology. Fungi are distinct from plants as they cannot perform photosynthesis. Mycology includes the study of mushrooms, molds, and yeasts.
In which year was the Reserve Bank of India (RBI) established?
Correct Answer: D. 1935
The Reserve Bank of India was established on April 1, 1935. It was set up based on the recommendations of the Hilton Young Commission. The RBI is the central bank of India.