RRB Group D — Set 17
40 questions
Deficiency of which vitamin causes Xerophthalmia?
Correct Answer: A. Vitamin A
Xerophthalmia is caused by a severe deficiency of Vitamin A. This condition leads to dryness of the conjunctiva and cornea. Carrots and leafy vegetables are excellent sources of this vitamin.
Who among the following introduced the 'Subsidiary Alliance' system in India?
Correct Answer: B. Lord Wellesley
Lord Wellesley introduced the Subsidiary Alliance to expand British influence. The Nizam of Hyderabad was the first to accept this alliance. It required Indian rulers to maintain British troops in their territory.
The Gir National Park is located in which Indian state?
Correct Answer: C. Gujarat
Gir National Park is situated in the Junagadh district of Gujarat. It is the only natural habitat of the Asiatic Lion in the world. The park was established in the year 1965.
Which Article of the Indian Constitution contains the 'Fundamental Duties'?
Correct Answer: D. Article 51A
Article 51A lists the Fundamental Duties of Indian citizens. These duties were added by the 42nd Amendment Act in 1976. There are currently 11 fundamental duties in the Constitution.
What is the SI unit of electrical resistance?
Correct Answer: A. Ohm
The Ohm is the standard unit used to measure electrical resistance. It is named after the German physicist Georg Simon Ohm. A conductor has a resistance of one ohm if one ampere flows through it at one volt.
What is the chemical name of Bleaching Powder?
Correct Answer: B. Calcium oxychloride
Calcium oxychloride is the chemical name for bleaching powder. Its chemical formula is represented as CaOCl2. It is widely used for water purification and as a disinfectant.
On which date is 'World Environment Day' celebrated every year?
Correct Answer: C. June 5
World Environment Day is celebrated annually on June 5. It was established by the United Nations General Assembly in 1972. The day encourages global awareness and action for environmental protection.
The 'Great Bath' was found in which site of the Indus Valley Civilization?
Correct Answer: D. Mohenjo-daro
The Great Bath is a large rectangular tank found at Mohenjo-daro. It is considered one of the earliest public water tanks in history. Mohenjo-daro is located in the Larkana district of Sindh.
Which is the highest peak of the Western Ghats in India?
Correct Answer: A. Anamudi
Anamudi is the highest peak in the Western Ghats and South India. It is located in the Idukki district of Kerala. Its elevation is approximately 2695 meters above sea level.
Who is known as the 'Father of Economics'?
Correct Answer: B. Adam Smith
Adam Smith is widely regarded as the Father of Modern Economics. He wrote the famous book 'The Wealth of Nations' in 1776. He proposed the theory of the 'invisible hand' in the market.
Which of the following is the hardest natural substance found on Earth?
Correct Answer: C. Diamond
Diamond is the hardest known natural mineral found on Earth. It is an allotrope of carbon where atoms are arranged in a crystal structure. It is highly valued for its industrial and decorative uses.
What is the minimum age required to contest elections for the Lok Sabha?
Correct Answer: D. 25 years
A person must be at least 25 years old to become a member of the Lok Sabha. This eligibility criterion is mentioned in Article 84 of the Constitution. The candidate must also be a citizen of India.
In which year did the Simon Commission arrive in India?
Correct Answer: A. 1928
The Simon Commission arrived in India in February 1928. It was a group of seven British Members of Parliament. It was boycotted by Indians because there were no Indian members in it.
Which is the largest freshwater lake in India?
Correct Answer: B. Wular Lake
Wular Lake is the largest freshwater lake in India. It is located in the Bandipora district of Jammu and Kashmir. The lake basin was formed as a result of tectonic activity.
How many chambers are there in a human heart?
Correct Answer: C. Four
The human heart consists of four chambers for blood circulation. There are two upper chambers called atria and two lower chambers called ventricles. This structure ensures the separation of oxygenated and deoxygenated blood.
What is the approximate speed of light in a vacuum?
Correct Answer: D. 300,000 km/s
The speed of light in a vacuum is approximately 300,000 kilometers per second. It is the maximum speed at which all conventional matter and information can travel. Light takes about 8 minutes to reach Earth from the Sun.
Which gas is dissolved in water under high pressure to make soda water?
Correct Answer: A. Carbon dioxide
Carbon dioxide gas is dissolved in water to create the fizz in soda. This process is called carbonation and occurs under high pressure. When the pressure is released, the gas forms bubbles.
The famous Sun Temple is located at which of the following places?
Correct Answer: B. Konark
The Sun Temple is located in Konark, Odisha. It was built by King Narasimhadeva I of the Eastern Ganga Dynasty. It is designed in the shape of a massive chariot with 24 wheels.
Who was the author of the famous Persian book 'Ain-i-Akbari'?
Correct Answer: C. Abul Fazl
Abul Fazl was the author of Ain-i-Akbari, which describes Akbar's administration. He was one of the 'Navaratnas' or nine gems in Akbar's court. The book is the third volume of the Akbarnama.
Which line defines the boundary between India and China?
Correct Answer: D. McMahon Line
The McMahon Line serves as the effective boundary between Northeast India and Tibet. It was proposed by Sir Henry McMahon at the Simla Convention in 1914. It is approximately 890 kilometers long.
Which Article of the Constitution empowers the President to declare a National Emergency?
Correct Answer: A. Article 352
Article 352 allows the President to declare a National Emergency during war or armed rebellion. This declaration must be approved by Parliament within one month. Fundamental Rights can be suspended during this period.
Where is the headquarters of the Indian Space Research Organisation (ISRO)?
Correct Answer: B. Bengaluru
ISRO's headquarters is located in Bengaluru, Karnataka. It was established on August 15, 1969, to develop space technology. The department is managed by the Department of Space of the Government of India.
The First Battle of Tarain was fought in which year?
Correct Answer: C. 1191
The First Battle of Tarain took place in 1191. It was fought between Prithviraj Chauhan and Muhammad Ghori. Prithviraj Chauhan emerged victorious in this battle.
Black soil is also known by which of the following names?
Correct Answer: D. Regur soil
Black soil is popularly known as Regur soil. It is very suitable for growing cotton crops due to its high moisture retention. It is mainly found in the Deccan Trap region of India.
Which blood group is known as the 'Universal Recipient'?
Correct Answer: A. AB+
The AB+ (AB positive) blood group is known as the 'Universal Recipient' because individuals with AB+ can receive blood from all blood groups (A, B, AB, and O), both positive and negative. People with AB+ blood type have both A and B antigens on red blood cells and the Rh factor, meaning they don't reject any blood type. In contrast to AB+, the universal donor blood type is O negative. The AB+ universal recipient property makes it the most compatible blood type for receiving transfusions.
Which gas is the most abundant in the Earth's atmosphere?
Correct Answer: B. Nitrogen
Nitrogen makes up about 78% of the Earth's atmosphere. It is essential for all living organisms to build proteins. Oxygen is the second most abundant gas at about 21%.
What is the approximate value of acceleration due to gravity (g) on Earth's surface?
Correct Answer: C. 9.8 m/s²
The average value of 'g' on Earth's surface is 9.8 meters per second squared. This value slightly varies depending on the latitude and altitude. It is much lower on the Moon, about 1.6 m/s².
Garba is a famous folk dance originating from which state?
Correct Answer: D. Gujarat
Garba is a traditional folk dance from the state of Gujarat. it is traditionally performed during the nine-day Navratri festival. Dancers perform in circles around a central lamp or image.
Which Article deals with the Joint Sitting of both Houses of Parliament?
Correct Answer: A. Article 108
Article 108 provides for a Joint Sitting to resolve deadlocks between the Lok Sabha and Rajya Sabha. It is summoned by the President of India. The Speaker of the Lok Sabha presides over this meeting.
Which Indian state has the largest forest cover area-wise according to recent reports?
Correct Answer: B. Madhya Pradesh
Madhya Pradesh has the largest forest area among all Indian states. This is based on the India State of Forest Report. Forest cover is vital for maintaining ecological balance.
Which vitamin is essential for the process of blood clotting?
Correct Answer: C. Vitamin K
Vitamin K is required for the synthesis of proteins needed for blood coagulation. Its deficiency can lead to excessive bleeding from minor injuries. It is found in green leafy vegetables and soybean oil.
The alloy 'Solder' is composed of which of the following metals?
Correct Answer: D. Lead and Tin
Solder is an alloy made primarily of lead and tin. It has a low melting point, making it ideal for joining electrical components. The ratio of metals can vary based on the specific use.
Who was the first woman to be awarded the Bharat Ratna?
Correct Answer: A. Indira Gandhi
Indira Gandhi became the first woman to receive the Bharat Ratna in 1971. The Bharat Ratna is the highest civilian award in India. She served as the Prime Minister of India at that time.
The Palk Strait separates India from which of its neighboring countries?
Correct Answer: B. Sri Lanka
The Palk Strait is a waterway that lies between India and Sri Lanka. It connects the Bay of Bengal with the Palk Bay. Its narrowest point is approximately 53 kilometers wide.
Who built the famous Sanchi Stupa in Madhya Pradesh?
Correct Answer: C. Ashoka
The Great Stupa at Sanchi was originally commissioned by Emperor Ashoka. It is one of the oldest stone structures in India and a UNESCO site. It was built to house the relics of Lord Buddha.
What is the escape velocity required for a body to leave the Earth's gravitational pull?
Correct Answer: D. 11.2 km/s
The escape velocity on Earth is approximately 11.2 kilometers per second. This is the minimum speed needed for an object to break free from gravity. It does not depend on the mass of the object.
Financial Emergency is mentioned under which Article of the Indian Constitution?
Correct Answer: A. Article 360
Article 360 empowers the President to declare a Financial Emergency. This happens when the financial stability of India is threatened. To date, a Financial Emergency has never been declared in India.
The historical site of Hampi is located in which modern-day Indian state?
Correct Answer: B. Karnataka
Hampi was the capital of the Vijayanagara Empire in the 14th century. It is located on the banks of the Tungabhadra River in Karnataka. It is now a famous UNESCO World Heritage site.
What is the frequency range of audible sound for a normal human ear?
Correct Answer: C. 20 Hz to 20,000 Hz
Humans can hear sounds in the frequency range of 20 Hz to 20,000 Hz. Sounds below 20 Hz are called infrasonic, and those above 20,000 Hz are ultrasonic. As people age, their ability to hear high frequencies decreases.
The Khilafat Movement was primarily organized to protest against the treatment of which country's Caliph?
Correct Answer: D. Turkey
The Khilafat Movement was launched to support the Ottoman Caliph of Turkey. It was led in India by the Ali brothers, Shaukat Ali and Mohammad Ali. Mahatma Gandhi supported it to promote Hindu-Muslim unity.