RRB ALP — Set 15
40 questions
Rusting of iron is an example of which chemical process?
Correct Answer: A. Oxidation
Rusting of iron is a classic example of Oxidation, a chemical process where a substance gains oxygen or loses electrons. When iron comes in contact with oxygen and moisture, it undergoes oxidation to form iron oxide (rust). This process can be prevented by methods like galvanization, painting, or applying protective coatings.
The Sunderbans Delta is formed by the confluence of which two major rivers?
Correct Answer: B. Ganga and Brahmaputra
The Sunderbans is the world's largest delta formed by the Ganga and Brahmaputra rivers. It is famous for its extensive mangrove forests and the Royal Bengal Tiger. A large portion of this delta lies in West Bengal and Bangladesh.
On which date is International Yoga Day celebrated globally?
Correct Answer: C. June 21
International Yoga Day is celebrated on June 21 to promote the benefits of practicing yoga. This date coincides with the summer solstice, the longest day of the year in the Northern Hemisphere. The first Yoga Day was observed worldwide in 2015.
What is the SI unit of electrical resistance?
Correct Answer: D. Ohm
Ohm is the unit used to measure the opposition to the flow of electric current. It is named after the German physicist Georg Simon Ohm. According to Ohm's Law, resistance is the ratio of voltage to current.
What is the national heritage animal of India?
Correct Answer: A. Elephant
The Elephant was declared the national heritage animal of India in 2010. This status was granted to increase awareness and protection for the species. Project Elephant was launched by the government in 1992 to conserve their habitats.
Lord Mahavira was the ______ Tirthankara of Jainism.?
Correct Answer: B. 24th
Mahavira was the 24th and last Tirthankara of Jainism. He was born in Vaishali (present-day Bihar) around 599 BCE and attained enlightenment (Kevala Jnana) at the age of 42. As the 24th Tirthankara, Mahavira revitalized and reorganized the Jain religion and its tenets. He propagated the five main vows of Jainism: Ahimsa, Satya, Asteya, Brahmacharya, and Aparigraha.
Which is the highest mountain peak in South India?
Correct Answer: C. Anamudi
Anamudi is the highest peak in the Western Ghats and all of South India. It is located in the Idukki district of Kerala at an elevation of 2,695 meters. The name Anamudi literally translates to 'Elephant's forehead' in Malayalam.
Which article of the Indian Constitution is called the 'Soul of the Constitution' by Dr. B.R. Ambedkar?
Correct Answer: D. Article 32
Article 32 provides the Right to Constitutional Remedies, allowing citizens to move the Supreme Court. It ensures the enforcement of Fundamental Rights through various types of writs. Dr. Ambedkar considered it the most important article because it protects all other rights.
Which planet is commonly known as the 'Morning Star' or 'Evening Star'?
Correct Answer: A. Venus
Venus is the brightest natural object in the night sky after the Moon. It is often visible just before sunrise or just after sunset. Despite being the second planet from the Sun, it is the hottest planet in the solar system.
Which plant tissue is responsible for the transport of water from roots to leaves?
Correct Answer: B. Xylem
Xylem is a vascular tissue that conducts water and dissolved minerals upwards in plants. It also provides structural support to the plant body. Phloem is the tissue responsible for transporting food produced during photosynthesis.
The voting age in India was reduced from 21 to 18 years by which amendment?
Correct Answer: C. 61st Amendment
The 61st Constitutional Amendment Act of 1988 lowered the voting age for Lok Sabha and Assembly elections. This change was implemented to encourage greater participation of youth in the democratic process. It came into force during the tenure of Prime Minister Rajiv Gandhi.
Who wrote the famous book 'The Discovery of India'?
Correct Answer: D. Jawaharlal Nehru
Jawaharlal Nehru wrote this book while he was imprisoned at Ahmednagar Fort during 1942-1946. It provides a deep analysis of Indian history, culture, and philosophy from ancient times. Nehru later became the first Prime Minister of independent India.
Agriculture and dairy activities fall under which sector of the economy?
Correct Answer: A. Primary Sector
The Primary Sector involves activities that directly use natural resources to produce goods. This includes farming, fishing, mining, and forestry. In India, a large percentage of the workforce is still employed in this sector.
Bihu is the most popular traditional folk dance of which state?
Correct Answer: B. Assam
Bihu is a joyful dance performed by both men and women during the Bihu festival in Assam. It is characterized by brisk dance steps and rapid hand movements. There are three types of Bihu festivals celebrated throughout the year.
World Environment Day is observed every year on which day?
Correct Answer: C. June 5
World Environment Day was established by the UN General Assembly in 1972 to raise environmental awareness. June 5 marks the start of the Stockholm Conference on the Human Environment. It serves as a global platform for inspiring positive change for the planet.
Which instrument is used to measure human blood pressure?
Correct Answer: D. Sphygmomanometer
A sphygmomanometer consists of an inflatable cuff and a mercury or mechanical manometer. It measures the pressure of blood in the arteries in millimeters of mercury (mmHg). A normal blood pressure reading for a healthy adult is typically around 120/80 mmHg.
Who is credited with the invention of the electric light bulb?
Correct Answer: A. Thomas Edison
Thomas Alva Edison developed the first commercially practical incandescent light bulb in 1879. He also held over 1,000 patents for various inventions, including the phonograph. His research laboratory in Menlo Park was the first of its kind.
In which year was the Battle of Buxar fought?
Correct Answer: B. 1764
The Battle of Buxar was fought in 1764 between the British East India Company and a combined army of Mir Qasim (Nawab of Bengal), Shuja-ud-Daula (Nawab of Awadh), and Mughal Emperor Shah Alam II. The British victory at the Battle of Buxar in 1764 was more decisive than the Battle of Plassey (1757). As a result of the 1764 victory, the Treaty of Allahabad (1765) was signed, granting the British the Diwani rights over Bengal. The Battle of Buxar in 1764 firmly established British power in India.
The Bhakra Nangal Dam is constructed on which river?
Correct Answer: C. Sutlej
The Bhakra Nangal Dam is one of the highest gravity dams in the world, located in Himachal Pradesh and Punjab. It was built on the Sutlej river to provide water for irrigation and generate electricity. The reservoir created by the dam is known as 'Gobind Sagar'.
Who appoints the Governor of an Indian state?
Correct Answer: D. The President
The Governor is appointed by the President for a term of five years under Article 155. The Governor acts as the constitutional head of the state and the representative of the Center. They hold office during the pleasure of the President.
Which acid is naturally present in the sting of an ant?
Correct Answer: A. Formic Acid
Formic acid, also known as methanoic acid, is injected into the skin when an ant bites or stings. It causes a sharp pain and redness at the site of the sting. Neutralizing it with a mild base like baking soda can provide relief.
Where did Gautam Buddha deliver his first sermon?
Correct Answer: B. Sarnath
Gautam Buddha delivered his first sermon to five disciples at the Deer Park in Sarnath. This event is known in Buddhist tradition as 'Dhammacakkappavattana' or Turning the Wheel of Law. Sarnath is located near the city of Varanasi in Uttar Pradesh.
What is the common name for solid Carbon Dioxide?
Correct Answer: C. Dry Ice
Solid carbon dioxide is called dry ice because it does not melt into a liquid under normal pressure. It undergoes sublimation, turning directly from a solid into a gas at -78.5 degrees Celsius. It is widely used for cooling purposes during the transport of frozen food.
Which is the longest river in the world?
Correct Answer: D. Nile
The Nile river flows northward through northeastern Africa and is approximately 6,650 kilometers long. It is the primary water source for countries like Egypt and Sudan. The Amazon river is considered the largest in terms of water volume.
Who is known as the 'First Citizen of India'?
Correct Answer: A. The President
The President holds the highest office in the country and represents the unity and integrity of the nation. According to the warrant of precedence, the President is ranked first. The spouse of the President is considered the 'Second Citizen'.
The words 'Socialist' and 'Secular' were added to the Preamble by which amendment?
Correct Answer: B. 42nd Amendment
These terms were added to the Preamble of the Indian Constitution in 1976 during the Emergency. The word 'Integrity' was also included in the Preamble by the same amendment act. The 42nd Amendment is often referred to as the 'Mini Constitution'.
In which field did Sir C.V. Raman win the Nobel Prize?
Correct Answer: C. Physics
Sir C.V. Raman was awarded the Nobel Prize in Physics in 1930 for his work on the scattering of light. He was the first Indian and first Asian to receive a Nobel Prize in a scientific field. His discovery is internationally recognized as the 'Raman Effect'.
Where is the permanent secretariat (headquarters) of SAARC located?
Correct Answer: D. Kathmandu
The headquarters of the South Asian Association for Regional Cooperation (SAARC) is located in Kathmandu, Nepal. It was established in 1987 to coordinate the activities of the regional association. SAARC consists of eight member nations from South Asia.
Where is the tomb of the Mughal Emperor Akbar located?
Correct Answer: A. Sikandra
Akbar's tomb is a magnificent architectural structure located in Sikandra, a suburb of Agra. The construction of the tomb was started by Akbar himself and finished by his son Jahangir. It is known for its unique blend of Islamic, Hindu, and Buddhist architectural styles.
What was the code name of India's first nuclear test in 1974?
Correct Answer: B. Smiling Buddha
Smiling Buddha was the assigned code name for India's first successful nuclear bomb test at Pokhran. The test took place on May 18, 1974, on the day of Buddha Purnima. This event made India the first nation outside the permanent UN Security Council members to conduct a nuclear test.
What is the approximate speed of sound in dry air at 20°C?
Correct Answer: C. 343 m/s
The speed of sound in air depends on the temperature and density of the medium. At standard room temperature, sound travels at about 343 meters per second. Sound travels much faster through liquids and solids than through gases.
A persistent rise in the general price level of goods and services is called ______.?
Correct Answer: D. Inflation
Inflation occurs when the purchasing power of money decreases over a period of time. Moderate inflation is often considered necessary for a growing economy. The Consumer Price Index (CPI) is a common measure used to track inflation.
In which state did Mahatma Gandhi lead the Champaran Satyagraha in 1917?
Correct Answer: A. Bihar
The Champaran Satyagraha was launched by Mahatma Gandhi in Bihar in 1917, making it his first major civil disobedience movement in India. Bihar's Champaran district was where indigo farmers were exploited by British planters under the tinkathia system. This movement marked the beginning of Gandhi's mass political involvement in India.
The term 'Dribbling' is associated with which of the following sports?
Correct Answer: B. Basketball
Dribbling is a fundamental skill in basketball where a player bounces the ball continuously while moving. It allows the player to advance towards the basket while maintaining possession. The term is also commonly used in the sport of football (soccer).
Where is the headquarters of the Indian Space Research Organisation (ISRO)?
Correct Answer: C. Bengaluru
ISRO's main headquarters is located in the Antariksh Bhavan in Bengaluru, Karnataka. The organization was established in 1969 to develop space technology for national needs. Most of India's satellite launches take place from Sriharikota in Andhra Pradesh.
What is the unit of power of a lens?
Correct Answer: D. Dioptre
The unit of measurement for the power of a lens is the Dioptre (D). A lens with a focal length of 1 metre has a power of 1 Dioptre. Convex lenses have positive dioptre values while concave lenses have negative values.
Which chemical compound is commonly used as 'Tear Gas'?
Correct Answer: A. CS Gas
CS gas (Chlorobenzalmalononitrile) is a non-lethal chemical agent used for riot control. It causes a severe burning sensation in the eyes, leading to tears and temporary blindness. It is categorized as a lachrymatory agent because it stimulates the tear glands.
Which type of soil is most suitable for the cultivation of cotton?
Correct Answer: B. Black Soil
Black soil is also known as 'Regur soil' and is highly fertile due to its high clay content. It has an excellent capacity to retain moisture, which is ideal for the cotton crop. In India, it is mainly found in the Deccan Trap region of Maharashtra and Gujarat.
Who founded the 'Azad Hind Fauj' (Indian National Army)?
Correct Answer: C. Subhash Chandra Bose
The Indian National Army was originally formed by Mohan Singh but was later revitalized by Subhash Chandra Bose. It aimed to liberate India from British rule with the assistance of Japanese forces during WWII. Bose gave the famous slogan 'Give me blood, and I shall give you freedom'.
Who was the first woman Prime Minister of India?
Correct Answer: D. Sushma Swaraj
Sushma Swaraj 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 Sushma Swaraj and related topics will help candidates score well in the GK section. Regular revision of such key facts is highly recommended for exam preparation.