RRB Group D — Set 28
40 questions
What is the S.I. unit of Pressure?
Correct Answer: A. Pascal
The S.I. unit of pressure is Pascal. It is defined as one Newton per square meter. The unit is named after the French scientist Blaise Pascal.
Who was the founder of the Haryanka Dynasty of Magadha?
Correct Answer: B. Bimbisara
Bimbisara was the founder of the Haryanka Dynasty. He expanded his kingdom through matrimonial alliances and conquests. He was a contemporary of Gautama Buddha.
Which is the highest mountain peak in Peninsular India?
Correct Answer: C. Anamudi
Anamudi is the highest peak in Peninsular India. it is located in the Eravikulam National Park in Kerala. The peak stands at an elevation of 2,695 meters.
Which Article of the Indian Constitution provides for the Election Commission?
Correct Answer: D. Article 324
Article 324 provides for the establishment of the Election Commission. It is responsible for directing and controlling elections to Parliament and State Legislatures. The commission was formed on 25th January 1950.
What is the approximate pH value of Milk of Magnesia?
Correct Answer: A. 10
Milk of Magnesia has an approximate pH value of 10. It is a basic solution used as an antacid to neutralize stomach acid. Its chemical name is Magnesium Hydroxide.
Which non-metal remains in a liquid state at room temperature?
Correct Answer: B. Bromine
Bromine is the only non-metal that is liquid at room temperature. It is a reddish-brown liquid with a sharp odor. It belongs to the halogen group in the periodic table.
Which instrument is used to measure the speed of wind?
Correct Answer: C. Anemometer
An anemometer is used to measure wind speed and direction. It is a common weather station instrument. The most common type is the cup anemometer.
Who is the author of the book 'My Experiments with Truth'?
Correct Answer: D. Mahatma Gandhi
Mahatma Gandhi is the author of 'My Experiments with Truth'. This book is his autobiography covering his life until 1921. It was originally written in the Gujarati language.
In which city was the First Buddhist Council held?
Correct Answer: A. Rajgir
The First Buddhist Council was held in Rajgir. It took place shortly after the death of Gautama Buddha. The council was presided over by the monk Mahakasyapa.
Which gas is primarily used in fire extinguishers to put out fires?
Correct Answer: B. Carbon Dioxide
Carbon Dioxide is the primary gas used in fire extinguishers. It works by displacing oxygen around the fire. It is particularly effective for electrical and flammable liquid fires.
Which is the smallest bone in the human body?
Correct Answer: C. Stapes
The stapes is the smallest bone in the human body. It is located in the middle ear and helps in transmitting sound. It is roughly the size of a grain of rice.
Which Article of the Indian Constitution lists the Fundamental Duties?
Correct Answer: D. Article 51A
Article 51A contains the list of Fundamental Duties. These were added to the Constitution to remind citizens of their social obligations. There are currently 11 fundamental duties listed.
What is the S.I. unit of Power?
Correct Answer: A. Watt
The S.I. unit of power is the Watt. One Watt is defined as the consumption of one Joule of energy per second. It is named after the Scottish inventor James Watt.
In which year was the Gandhi-Irwin Pact signed?
Correct Answer: B. 1931
The Gandhi-Irwin Pact was signed in 1931. It was a political agreement between Mahatma Gandhi and the Viceroy Lord Irwin. This pact led to the suspension of the Civil Disobedience Movement.
The yellow color of human urine is due to the presence of which pigment?
Correct Answer: C. Urochrome
Urochrome is the pigment responsible for the yellow color of urine. It is produced by the breakdown of hemoglobin in the body. The intensity of the color depends on the level of hydration.
Which Article of the Constitution directs the State to separate the Judiciary from the Executive?
Correct Answer: D. Article 50
Article 50 directs the state to separate the judiciary from the executive. This is part of the Directive Principles of State Policy. It ensures the independence of the judicial system.
The scientific study of insects is known as?
Correct Answer: A. Entomology
Entomology is the branch of zoology that deals with insects. It focuses on their classification, life cycles, and behavior. Insects make up the largest group of animals on Earth.
Who was the first female Speaker of the Lok Sabha?
Correct Answer: B. Meira Kumar
Meira Kumar was the first woman to become the Speaker of the Lok Sabha. She served in this position from 2009 to 2014. She was a member of the Indian National Congress.
What is the S.I. unit of Temperature?
Correct Answer: C. Kelvin
Kelvin is the S.I. unit of thermodynamic temperature. It starts from absolute zero, where all molecular motion stops. There are no negative values on the Kelvin scale.
Which is the largest artificial lake in India?
Correct Answer: D. Govind Ballabh Pant Sagar
Govind Ballabh Pant Sagar is the largest artificial lake in India. It is the reservoir of the Rihand Dam located in Uttar Pradesh. It covers an area of about 70 square miles.
Sound waves in air are an example of which type of waves?
Correct Answer: A. Longitudinal waves
Sound waves in air are longitudinal waves. The particles of the medium vibrate parallel to the direction of the wave. These waves travel through compressions and rarefactions.
The disease 'Scurvy' is caused by the deficiency of which vitamin?
Correct Answer: B. Vitamin C
Scurvy is caused by a severe deficiency of Vitamin C. It leads to weakness, gum disease, and skin hemorrhages. Humans must get Vitamin C from their diet as the body cannot produce it.
In which year was the First Battle of Tarain fought?
Correct Answer: C. 1191
The First Battle of Tarain was fought in 1191. It took place between Prithviraj Chauhan and Muhammad Ghori. Prithviraj Chauhan emerged victorious in this battle.
What is the term of office for the Comptroller and Auditor General (CAG) of India?
Correct Answer: D. 6 years
The CAG of India is appointed for a term of 6 years. The officer can also serve until reaching the age of 65 years. This office ensures financial accountability of the government.
What is the chemical formula of Plaster of Paris?
Correct Answer: A. CaSO4·1/2H2O
The chemical formula of Plaster of Paris is CaSO4·½H2O (Calcium Sulphate Hemihydrate). It is prepared by heating gypsum (CaSO4·2H2O) to about 120°C. Plaster of Paris is widely used in construction, medicine for setting fractured bones, and making decorative items.
The scientific study of birds is called?
Correct Answer: B. Ornithology
Ornithology is the scientific study of birds. It involves observing their habitats, migration patterns, and vocalizations. Salim Ali was a famous Indian ornithologist.
Which city served as the capital of French India?
Correct Answer: C. Puducherry
Puducherry was the headquarters and capital of French India. The French established their presence here in 1674. It remained a French territory until it merged with India in 1954.
The Richter scale is used to measure the intensity of which natural phenomenon?
Correct Answer: D. Earthquakes
Earthquakes 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 Earthquakes and related topics will help candidates score well in the GK section. Regular revision of such key facts is highly recommended for exam preparation.
Bihu is a famous folk festival celebrated in which Indian state?
Correct Answer: A. Assam
Bihu is the most important festival of Assam. It marks the different stages of the agricultural cycle. There are three types of Bihu celebrated throughout the year.
Which gland in the human body is often called the 'Master Gland'?
Correct Answer: B. Pituitary
The pituitary gland is known as the master gland. It controls the functions of many other endocrine glands in the body. It is located at the base of the brain.
Which of the following is the National Flower of India?
Correct Answer: C. Lotus
The Lotus is the National Flower of India. It is a sacred flower in Indian culture representing purity and auspiciousness. Its scientific name is Nelumbo Nucifera.
Who is known as the 'Father of the Indian Constitution'?
Correct Answer: D. Dr. B.R. Ambedkar
Dr. B.R. Ambedkar is known as the Father of the Indian Constitution. He was the Chairman of the Drafting Committee. He played a key role in advocating for the rights of the marginalized.
What is the S.I. unit of Capacitance?
Correct Answer: A. Farad
The S.I. unit of capacitance is the Farad. It is named after the English physicist Michael Faraday. Capacitance measures the ability of a component to store electrical charge.
The Non-Cooperation Movement was called off following which incident?
Correct Answer: B. Chauri Chaura incident
The movement was called off after the Chauri Chaura incident in 1922. A violent mob set fire to a police station, killing several policemen. Gandhi stopped the movement as he was strictly against violence.
Which is the largest state in India by land area?
Correct Answer: C. Rajasthan
Rajasthan is the largest state in India by area. It covers approximately 10.4% of the total land area of India. The Thar Desert is mostly located in this state.
Which Article of the Indian Constitution provides for the Finance Commission?
Correct Answer: D. Article 280
Article 280 mandates the creation of the Finance Commission. It is constituted by the President every five years. The commission recommends the distribution of tax revenues between the Center and States.
Vinegar primarily contains which of the following acids?
Correct Answer: A. Acetic Acid
Vinegar is a solution of Acetic Acid in water. It is produced through the fermentation of ethanol by bacteria. It is widely used in cooking and food preservation.
Who is considered the 'Father of Biology'?
Correct Answer: B. Aristotle
Aristotle is regarded as the Father of Biology. He was a Greek philosopher who made extensive observations of the natural world. He also pioneered the Father of Zoology title.
Giddha is a popular folk dance of which Indian state?
Correct Answer: C. Punjab
Giddha is a traditional folk dance of women in Punjab. It is performed during festive occasions and social gatherings. It is characterized by energetic clapping and singing.
Who was the first Indian citizen to travel into space?
Correct Answer: D. Rakesh Sharma
Rakesh Sharma was the first Indian to go into space in 1984. He was a pilot in the Indian Air Force. He flew aboard the Soviet Soyuz T-11 spacecraft.