RRB ALP — Set 6
40 questions
What is the pH value of pure water?
Correct Answer: C. 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.
In which year was the Battle of Plassey fought?
Correct Answer: A. 1757
The Battle of Plassey was fought in 1757 between the British East India Company and the Nawab of Bengal. This victory established the foundation of British rule in India. Robert Clive led the British forces in this historic conflict.
Which state is the largest producer of tea in India?
Correct Answer: B. Assam
Assam is the largest tea-producing state in India due to its favorable climate. It accounts for more than half of India's total tea production. The state is often referred to as the 'Tea Garden of India'.
What is the minimum age required to become the President of India?
Correct Answer: D. 35 years
The minimum age to hold the office of the President is 35 years. This qualification is clearly mentioned in Article 58 of the Indian Constitution. A candidate must also be a citizen of India to be eligible.
Who is the author of the famous book 'Malgudi Days'?
Correct Answer: A. R.K. Narayan
R.K. Narayan wrote the collection of short stories titled 'Malgudi Days'. The book is set in the fictional South Indian town of Malgudi. He is also famous for writing 'Swami and Friends'.
What is the S.I. unit of Power?
Correct Answer: B. Watt
The S.I. unit of power is the Watt, which represents one joule per second. Power is defined as the rate at which work is done or energy is transferred. This unit was named after the Scottish inventor James Watt.
Who was the founder of the Mughal Empire in India?
Correct Answer: C. Babur
Babur founded the Mughal Empire after winning the First Battle of Panipat. He defeated Ibrahim Lodi in the year 1526 to establish his rule. He was a descendant of both Timur and Genghis Khan.
The river Brahmaputra originates in which region?
Correct Answer: D. Tibet
The Brahmaputra river originates in the Mansarovar Lake region of Tibet. It enters India through the state of Arunachal Pradesh. In Tibet, the river is known as the Yarlung Tsangpo.
How many Fundamental Duties are currently listed in the Indian Constitution?
Correct Answer: A. 11
There are currently 11 Fundamental Duties listed for the citizens of India. These duties were added by the 42nd Amendment Act in 1976. The 11th duty was added later by the 86th Amendment Act in 2002.
What is the currency of Bangladesh?
Correct Answer: B. Taka
Taka is the official currency of the People's Republic of Bangladesh. The central bank responsible for issuing this currency is the Bangladesh Bank. Dhaka is the capital and largest city of this nation.
Which of the following is a rich source of Vitamin C?
Correct Answer: C. Lemon
Lemon is an excellent source of Vitamin C, also known as ascorbic acid. This vitamin is essential for the repair of body tissues and immune system function. A deficiency of Vitamin C can lead to a disease called Scurvy.
The 'Quit India Movement' was launched in which year?
Correct Answer: D. 1942
The Quit India Movement was launched by Mahatma Gandhi in August 1942. During this movement, he gave the famous slogan 'Do or Die'. It was a mass protest demanding an orderly British withdrawal from India.
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. Mount Everest is the highest globally but is located in Nepal.
Where is the headquarters of UNESCO located?
Correct Answer: B. Paris
The headquarters of UNESCO is located in Paris, France. UNESCO stands for United Nations Educational, Scientific and Cultural Organization. It was founded in 1945 to promote international collaboration.
Who is known as the 'Father of the Green Revolution' in India?
Correct Answer: C. M.S. Swaminathan
M.S. Swaminathan is known as the Father of the Green Revolution in India. He introduced high-yielding varieties of wheat and rice to increase food production. This movement made India a self-sufficient nation in food grains.
What is the normal temperature of the human body in Celsius?
Correct Answer: D. 37°C
The normal body temperature of a healthy human adult is 37 degrees Celsius (98.6°F). This temperature is maintained by the body's thermoregulatory system. A temperature above 37.5°C is generally considered a fever. The hypothalamus in the brain acts as the body's thermostat to regulate this temperature.
Who presides over the joint session of the two Houses of Parliament?
Correct Answer: A. Speaker of Lok Sabha
The Speaker of the Lok Sabha presides over a joint session of both Houses of Parliament. If the Speaker is absent, the Deputy Speaker of the Lok Sabha takes the chair. Joint sessions are summoned by the President under Article 108.
The First Battle of Panipat was fought in which year?
Correct Answer: B. 1526
The First Battle of Panipat took place in 1526 between Babur and Ibrahim Lodi. This battle marked the beginning of the Mughal rule in North India. It was one of the earliest battles involving gunpowder and field artillery.
National Science Day is celebrated in India on which date?
Correct Answer: C. 28 February
National Science Day is celebrated on 28 February to mark the discovery of the Raman Effect. Sir C.V. Raman discovered this phenomenon on this day in 1928. He was awarded the Nobel Prize in Physics for this discovery in 1930.
Which planet in our solar system is known as the 'Red Planet'?
Correct Answer: D. Mars
Mars is known as the Red Planet because of the iron oxide prevalent on its surface. This gives the planet a reddish appearance that is visible from Earth. It has two small moons named Phobos and Deimos.
What is the chemical name of common salt?
Correct Answer: A. Sodium Chloride
The chemical name of common salt is Sodium Chloride, represented by the formula NaCl. It is an ionic compound consisting of sodium and chlorine ions. Salt is widely used as a food preservative and seasoning.
Which city is the capital of Australia?
Correct Answer: B. Canberra
Canberra is the capital city of Australia and is its largest inland city. It was selected as the capital in 1908 as a compromise between Sydney and Melbourne. The city was entirely planned and built for this purpose.
Which Article of the Indian Constitution provides the 'Right to Education'?
Correct Answer: C. Article 21A
Article 21A states that the State shall provide free and compulsory education to all children aged 6 to 14. This Article was added by the 86th Constitutional Amendment Act of 2002. Education is now considered a fundamental right in India.
The Non-Cooperation Movement was started by Gandhi in which year?
Correct Answer: D. 1920
The Non-Cooperation Movement was launched by Mahatma Gandhi in 1920. It aimed to resist British rule in India through non-violent means and boycotts. The movement was called off in 1922 following the Chauri Chaura incident.
In which medium does sound travel the fastest?
Correct Answer: A. Solids
Sound travels fastest in solids because the particles are packed closely together. This allows the vibration to transfer more quickly through the material. Sound cannot travel through a vacuum because it requires a medium.
Which is the longest river in India?
Correct Answer: B. Ganga
The Ganga is the longest river in India, flowing for approximately 2525 kilometers. It originates from the Gangotri Glacier in the Himalayas. It is considered the most sacred river by Hindus in India.
Who was the first Indian woman to go into space?
Correct Answer: C. Kalpana Chawla
Kalpana Chawla was the first woman of Indian origin to fly in space in 1997. she served as a mission specialist and primary robotic arm operator. Sadly, she passed away in the Space Shuttle Columbia disaster in 2003.
Which type of mirror is used in the headlights of cars?
Correct Answer: D. Concave mirror
Concave mirrors are used in car headlights to produce a powerful parallel beam of light. The light source is placed at the focus of the mirror to achieve this. These mirrors are also commonly used as shaving mirrors.
What is the term of a member of the Rajya Sabha?
Correct Answer: A. 6 years
The term of a member of the Rajya Sabha is 6 years. Unlike the Lok Sabha, the Rajya Sabha is a permanent house and is not subject to dissolution. One-third of its members retire every two years.
Which ancient city served as the major port of the Indus Valley Civilization?
Correct Answer: B. Lothal
Lothal was one of the most prominent cities of the ancient Indus Valley Civilization, located in modern-day Gujarat. It featured the world's earliest known dockyard. This port city was a vital center for trade in the region.
Who was the first musician to be awarded the Bharat Ratna?
Correct Answer: C. M.S. Subbulakshmi
M.S. Subbulakshmi was the first musician ever to receive India's highest civilian honor, the Bharat Ratna. She was a renowned Carnatic singer from Madurai. She also became the first Indian musician to perform at the UN General Assembly.
Which Indian state has the longest coastline?
Correct Answer: D. Gujarat
Gujarat has the longest coastline among all Indian states, stretching over 1600 kilometers. It is located on the western coast of India along the Arabian Sea. The coastline is famous for its various ports and salt marshes.
What does the abbreviation 'GST' stand for in the context of the economy?
Correct Answer: A. Goods and Services Tax
GST stands for Goods and Services Tax, which is an indirect tax used in India. It was implemented on 1 July 2017 to replace several other indirect taxes. It aims to create a unified common market across the country.
Which gland in the human body is known as the 'Master Gland'?
Correct Answer: B. Pituitary
The pituitary gland is called the Master Gland because it controls the functions of many other endocrine glands. It is a small, pea-sized gland located at the base of the brain. It secretes hormones that regulate growth and development.
Who was the last Governor-General of independent India?
Correct Answer: C. C. Rajagopalachari
C. Rajagopalachari was the first and last Indian Governor-General of independent India. He served in this position from 1948 until India became a Republic in 1950. He was also a recipient of the Bharat Ratna award.
World Environment Day is observed every year on which date?
Correct Answer: D. 5 June
World Environment Day is celebrated annually on 5 June to raise awareness about environmental protection. This day was established by the United Nations General Assembly in 1972. It is the UN's principal vehicle for encouraging worldwide action for the environment.
What is the S.I. unit of electrical resistance?
Correct Answer: A. Ohm
The S.I. unit of electrical resistance is the Ohm, named after the physicist Georg Simon Ohm. Resistance is the measure of opposition to the flow of electric current. According to Ohm's Law, voltage equals current times resistance.
Which word was added to the Preamble of the Indian Constitution by the 42nd Amendment?
Correct Answer: B. Socialist
The word 'Socialist' was added to the Preamble of the Indian Constitution in 1976. Along with it, the words 'Secular' and 'Integrity' were also included. The 42nd Amendment is often referred to as the 'Mini Constitution' of India.
In which state is the Sundarbans Delta located?
Correct Answer: C. West Bengal
The Sundarbans Delta is located in the state of West Bengal and extends into Bangladesh. it is the largest mangrove forest in the world. This area is famous for being the home of the Royal Bengal Tiger.
Who is the head of the Reserve Bank of India (RBI)?
Correct Answer: D. Governor
The Reserve Bank of India is headed by the Governor, who is appointed by the Government. The Governor is responsible for the overall direction and management of the central bank. The RBI is the supreme monetary authority in India.