RRB ALP — Set 9

Correct Answer: A. Joule

The Joule is the standard unit used to measure both work done and energy consumed. One joule is equal to the work done by a force of one newton acting through one meter. James Prescott Joule is the scientist after whom this unit is named.

Correct Answer: B. Lothal

Lothal was a major maritime center of the Indus Valley Civilization located in modern-day Gujarat. The dockyard found here is considered the earliest known dock in the world. This site provided a vital trade link between the Harappan cities and Mesopotamia.

Correct Answer: C. Chilika Lake

Chilika Lake is a massive estuarine lagoon located in the state of Odisha. It is the largest coastal lagoon in India and the second largest in the world. The lake is a primary wintering ground for migratory birds on the Indian subcontinent.

Correct Answer: D. Part IV-A

Part IV-A was added to the Constitution to list the moral obligations of all citizens. These duties were incorporated by the 42nd Amendment Act in 1976. They were inspired by the constitution of the former Soviet Union.

Correct Answer: A. Rabindranath Tagore

Rabindranath Tagore won the Nobel Prize in Literature in 1913 for his collection of poems titled 'Gitanjali'. He was the first non-European to receive this prestigious international honor. Tagore also composed the national anthems for both India and Bangladesh.

Correct Answer: B. Sodium Bicarbonate

Sodium bicarbonate is the chemical name for the white crystalline powder used in cooking. Its chemical formula is NaHCO3 and it acts as a leavening agent in dough. It is also commonly used as an antacid to treat indigestion.

Correct Answer: C. Bankim Chandra Chatterjee

Bankim Chandra Chatterjee wrote the song originally in Sanskrit for his novel 'Anandamath'. It played a vital role in inspiring freedom fighters during the Indian independence movement. The first two verses of the song were adopted as the National Song in 1950.

Correct Answer: D. 82° 30' E

The 82° 30' E longitude passes through Mirzapur in Uttar Pradesh and determines Indian Standard Time. It is exactly 5 hours and 30 minutes ahead of Greenwich Mean Time. This meridian ensures a uniform time across the entire country.

Correct Answer: A. The President

The President of India appoints the Chief Election Commissioner based on the recommendations of the government. This office is a constitutional authority established under Article 324. The CEC has a fixed tenure of six years or until the age of 65.

Correct Answer: B. February 28

National Science Day commemorates the discovery of the 'Raman Effect' by Sir C.V. Raman. The discovery was announced on February 28, 1928, and led to his Nobel Prize. This day is used to promote scientific temper and awareness among students.

Correct Answer: C. 3 x 10^8 m/s

The speed of light in a vacuum is approximately 3 × 10⁸ m/s (300,000,000 meters per second or 300,000 km/s). This universal constant, denoted as 'c', was precisely measured as 299,792,458 m/s. The speed of light at 3 × 10⁸ m/s is the maximum speed at which information or matter can travel in the universe. Albert Einstein's theory of special relativity is based on the constancy of the speed of light.

Correct Answer: D. 1930

The Dandi March was an act of nonviolent civil disobedience against the British salt monopoly. It began on March 12, 1930, from Sabarmati Ashram and ended at the coastal village of Dandi. This event marked the beginning of the Civil Disobedience Movement.

Correct Answer: A. Assam

Assam accounts for more than half of India's total tea production every year. The state's tropical climate and heavy rainfall are ideal for growing high-quality tea leaves. The Brahmaputra valley is the main region where these tea estates are located.

Correct Answer: B. Article 110

Article 110 defines the specific criteria that a bill must meet to be classified as a Money Bill. A Money Bill can only be introduced in the Lok Sabha with the prior recommendation of the President. The Rajya Sabha has limited powers regarding the passage of such bills.

Correct Answer: C. Thimphu

Thimphu is the largest city and the political and economic center of the Kingdom of Bhutan. It became the official capital of the country in 1961, replacing the ancient capital Punakha. The city is famous for not having a single traffic light.

Correct Answer: D. Blood Group O

People with blood group O negative can donate their red blood cells to individuals of any other blood group. Their blood lacks the A, B, and Rh antigens that cause immune reactions in others. This makes it extremely valuable during emergency transfusions.

Correct Answer: A. Adam Smith

Adam Smith was a Scottish philosopher who wrote the foundational book 'The Wealth of Nations'. He introduced the concept of the 'invisible hand' and the importance of free markets. His work laid the groundwork for modern classical economic theory.

Correct Answer: B. The Speaker of Lok Sabha

The Speaker of the Lok Sabha chairs the joint session to resolve deadlocks between the two houses. In the absence of the Speaker, the Deputy Speaker of the Lok Sabha presides. Joint sittings are summoned by the President under Article 108.

Correct Answer: C. Mahanadi

The Hirakud Dam is built on the Mahanadi River in the state of Odisha. The Mahanadi originates in the Raipur district of Chhattisgarh and flows through Odisha before draining into the Bay of Bengal. Hirakud is one of the longest earthen dams in the world and serves irrigation, power generation, and flood control purposes.

Correct Answer: D. Alexander and Porus

The Battle of Hydaspes took place in 326 BCE on the banks of the Jhelum river. Alexander the Great fought against the Indian King Porus and was impressed by his bravery. Although Alexander won, he allowed Porus to continue ruling his kingdom.

Correct Answer: A. Longitudinal waves

Sound waves are longitudinal waves because particles move parallel to the direction of wave propagation. They travel through a medium by creating a series of compressions and rarefactions. Unlike light, sound waves cannot travel through a vacuum.

Correct Answer: B. Presence of Iron Oxide

The red color is primarily due to the wide diffusion of iron in crystalline and metamorphic rocks. When these rocks weather, iron oxide is released, giving the soil its characteristic reddish hue. This soil is generally poor in nitrogen and organic matter.

Correct Answer: C. 86th Amendment

The 86th Amendment Act of 2002 inserted Article 21-A into the Indian Constitution. It provides free and compulsory education to all children between the ages of 6 and 14 years. This was a landmark step toward ensuring universal primary education.

Correct Answer: D. Lord Mountbatten

Lord Mountbatten served as the last Viceroy of India and the first Governor-General after independence. He held the post from August 1947 until June 1948. He was later succeeded by C. Rajagopalachari, who was the first and only Indian Governor-General.

Correct Answer: A. Stapes

The stapes is a tiny bone located in the middle ear and is about 3 millimeters long. It is responsible for transmitting sound vibrations to the inner ear. The femur, or thigh bone, is conversely the largest bone in the body.

Correct Answer: B. Australia

The Great Barrier Reef is the world's largest coral reef system and is located in the Coral Sea. It stretches over 2,300 kilometers along the northeast coast of Australia. It is home to thousands of species of marine life and is a UNESCO site.

Correct Answer: C. Chauri Chaura incident

The Chauri Chaura incident occurred in 1922 when a peaceful protest turned violent, leading to the death of policemen. Gandhi, a firm believer in non-violence, decided to end the movement immediately. This decision was met with surprise by many other national leaders.

Correct Answer: D. NITI Aayog

NITI Aayog stands for National Institution for Transforming India and serves as a policy think tank. It was established to foster cooperative federalism and provide strategic advice to the government. The Prime Minister serves as the ex-officio Chairperson of this body.

Correct Answer: A. Vitamin A

Vitamin A is essential for maintaining healthy vision and a strong immune system. Night blindness is a condition where it becomes difficult or impossible to see in low light. Carrots and leafy greens are excellent sources of this vital nutrient.

Correct Answer: B. Maharashtra

Ellora Caves are a UNESCO World Heritage site located in the Aurangabad district of Maharashtra. The site features 34 monasteries and temples belonging to Buddhism, Hinduism, and Jainism. The Kailasa temple here is a famous monolithic structure carved out of a single rock.

Correct Answer: C. Inertia

The Law of Inertia states that an object will remain at rest unless acted upon by an external force. This property of an object to resist changes in its state of motion is called inertia. The mass of an object is a direct measure of its inertia.

Correct Answer: D. McMahon Line

The McMahon Line was proposed by Henry McMahon at the Simla Convention in 1914. It serves as the legal boundary between the northeastern region of India and Tibet. China, however, does not officially recognize this specific boundary line.

Correct Answer: A. Articles 20 and 21

Articles 20 and 21 protect the right to life, personal liberty, and protection against conviction. The 44th Amendment Act ensured that these rights remain active even during a National Emergency. This provision prevents the arbitrary use of state power during crises.

Correct Answer: B. 1928

The Simon Commission was established in 1928 by the British government under Sir John Simon to report on the working of the Indian Constitution. The commission arrived in India in 1928 and was met with widespread protests because it had no Indian members. The Congress and other parties boycotted the Simon Commission in 1928 under the slogan 'Simon Go Back'. Lala Lajpat Rai was fatally injured during a protest against the Simon Commission in 1928.

Correct Answer: C. Mumbai

The Gateway of India is a monument built to commemorate the visit of King George V and Queen Mary. It is located on the waterfront in the Apollo Bunder area of Mumbai. The structure is a blend of Indo-Saracenic and Muslim architectural styles.

Correct Answer: D. Propane and Butane

LPG is a flammable mixture of hydrocarbon gases used as fuel in heating appliances and vehicles. Propane and butane are the primary gases that are liquefied under pressure for storage. Ethyl mercaptan is added to the gas to provide a distinctive smell for leak detection.

Correct Answer: A. Uttar Pradesh

Uttar Pradesh has 31 seats in the Rajya Sabha, which is the highest for any state. The number of seats allotted to a state depends on its total population. This system ensures that more populous states have a greater representation in the upper house.

Correct Answer: B. Aryabhata

Aryabhata was launched on April 19, 1975, using a Soviet Kosmos-3M rocket. It was named after the famous 5th-century Indian astronomer and mathematician. The satellite was built by ISRO to conduct experiments in X-ray astronomy and solar physics.

Correct Answer: C. 4°C

Water has its maximum density at 4 degrees Celsius, which is unique among common substances. Below 4°C, water expands as it cools to 0°C (ice), making ice less dense than liquid water. This property at 4°C allows ice to float, which is essential for aquatic ecosystems in cold climates. The maximum density of water at 4°C is approximately 1 gram per cubic centimeter.

Correct Answer: D. Qutub-ud-din Aibak

Qutub-ud-din Aibak was a general of Muhammad Ghori and founded the Mamluk or Slave Dynasty in 1206. He started the construction of the Qutub Minar in Delhi to celebrate his victory. He is also known for his generosity and was called 'Lakh Baksh'.