RRB Group D — Set 24
40 questions
Kanha National Park is located in which Indian state?
Correct Answer: A. Madhya Pradesh
Kanha National Park is located in Madhya Pradesh. It is well known for its population of Royal Bengal Tigers. This park was officially created in the year 1955.
What is the chemical formula for 'Heavy Water'?
Correct Answer: B. D2O
The chemical formula for heavy water is D2O. It contains deuterium, which is an isotope of hydrogen. It is primarily used as a moderator in nuclear reactors.
In which year was the Battle of Buxar fought?
Correct Answer: C. 1764
The Battle of Buxar was fought in the year 1764. It was between the British East India Company and a combined Indian force. This victory established British supremacy in Bengal and Bihar.
Which Article of the Indian Constitution is related to the 'Uniform Civil Code'?
Correct Answer: D. Article 44
Article 44 directs the state to secure a Uniform Civil Code for all citizens. It is part of the Directive Principles of State Policy. Currently, Goa is the only Indian state with such a code.
What is the value of the Universal Gravitational Constant (G)?
Correct Answer: A. 6.67 x 10^-11 Nm²/kg²
The value of G is 6.67 x 10^-11 Nm²/kg². It was first measured experimentally by Henry Cavendish. This constant is used to calculate the force of attraction between two masses.
Which hormone is secreted by the Pancreas to regulate blood sugar?
Correct Answer: B. Insulin
Insulin is the hormone produced by the pancreas to control glucose levels. It helps cells absorb sugar from the bloodstream for energy. Lack of insulin production leads to a condition called diabetes.
Which of the following rivers flows into the Arabian Sea?
Correct Answer: C. Narmada
The Narmada river flows westward and empties into the Arabian Sea. It originates from the Amarkantak plateau in Madhya Pradesh. It is one of the few major rivers in India that flows in a rift valley.
The Bhadra Wildlife Sanctuary is located in which state?
Correct Answer: D. Karnataka
Bhadra Wildlife Sanctuary is situated in the state of Karnataka. It is a protected area and a tiger reserve under Project Tiger. The sanctuary gets its name from the Bhadra River flowing through it.
Where did Mahatma Gandhi launch his first Satyagraha in India in 1917?
Correct Answer: A. Champaran
Gandhiji launched the Champaran Satyagraha in Bihar in 1917. It was organized to help farmers forced to grow indigo by the British. This was his first major non-violent movement in India.
The process of 'Rusting of Iron' is an example of?
Correct Answer: B. Oxidation
Rusting of iron is a chemical reaction involving oxidation. It occurs when iron reacts with oxygen and moisture in the air. This process forms a reddish-brown substance called iron oxide.
Which metal is present in Hemoglobin?
Correct Answer: C. Iron
Iron is the central metal atom present in the hemoglobin of red blood cells. It plays a vital role in carrying oxygen from the lungs to tissues. Deficiency of iron in the blood causes anemia.
Who decides whether a bill is a 'Money Bill' or not?
Correct Answer: D. Speaker of Lok Sabha
The Speaker of the Lok Sabha has the final authority to certify a Money Bill. Their decision cannot be challenged in any court or by the President. A Money Bill can only be introduced in the Lok Sabha.
Which of the following lenses is known as a 'Converging Lens'?
Correct Answer: A. Convex lens
A convex lens is thicker at the center and converges parallel light rays. It is used in magnifying glasses and cameras to focus light. It is also used to correct farsightedness in human vision.
Who was the founder of the 'Slave Dynasty' (Mamluk Dynasty)?
Correct Answer: B. Qutb-ud-din Aibak
Qutb-ud-din Aibak founded the Slave Dynasty in the year 1206. He was a general of Muhammad Ghori and the first Sultan of Delhi. He also started the construction of the Qutub Minar.
Which layer of the atmosphere reflects radio waves back to Earth?
Correct Answer: C. Ionosphere
The Ionosphere contains charged particles that reflect radio waves. This layer allows for long-distance wireless communication on Earth. It is part of the upper atmosphere called the Thermosphere.
Which city is popularly known as the 'Gateway to South India'?
Correct Answer: D. Chennai
Chennai is often called the Gateway to South India due to its cultural importance. It is the capital city of Tamil Nadu and a major industrial hub. It is also famous for the Marina Beach, which is very long.
A market structure with only one seller and many buyers is called?
Correct Answer: A. Monopoly
A Monopoly exists when a single company dominates the entire market. In this situation, there is no competition for the product or service. The seller has total control over the price of the goods.
Which part of the human brain maintains the balance and posture of the body?
Correct Answer: B. Cerebellum
The Cerebellum is responsible for coordinating voluntary movements and balance. It is located at the back of the brain below the cerebrum. Damage to this part can cause difficulty in walking steadily.
Aqua Regia is a mixture of concentrated Hydrochloric acid and which other acid?
Correct Answer: C. Nitric acid
Aqua Regia is prepared by mixing concentrated HCl and Nitric acid in a 3:1 ratio. It is a highly corrosive liquid used to dissolve noble metals like gold. The term 'Aqua Regia' means 'Royal Water' in Latin.
Which Article of the Constitution directs the state to organize 'Village Panchayats'?
Correct Answer: D. Article 40
Article 40 requires the state to take steps to organize village panchayats. It aims to empower local self-government in rural areas. This article reflects the Gandhian principle of decentralized power.
Sound waves with a frequency higher than 20,000 Hz are called?
Correct Answer: A. Ultrasonic waves
Waves with frequencies above the human hearing range are called Ultrasonic. These waves are used in medical imaging and cleaning delicate items. Animals like bats and dolphins use them for navigation.
Who was the founder of 'Arya Samaj'?
Correct Answer: B. Dayanand Saraswati
Swami Dayanand Saraswati founded Arya Samaj in 1875 in Mumbai. He gave the famous slogan 'Back to the Vedas'. The organization worked for social reforms and education in India.
The 'Sahyadri' mountain range is the other name for?
Correct Answer: C. Western Ghats
The Western Ghats are commonly known as the Sahyadri mountains in Maharashtra. This range runs parallel to the western coast of the Indian peninsula. It is a global biodiversity hotspot with many endemic species.
Which tissue in plants is responsible for transporting water and minerals from the roots?
Correct Answer: D. Xylem
Xylem is the vascular tissue that conducts water and minerals upwards. It consists of specialized cells like tracheids and vessels. It also provides structural support to the plant body.
Pannalal Ghosh was a famous player of which musical instrument?
Correct Answer: A. Flute
Pannalal Ghosh was a legendary maestro of the Bansuri or Indian flute. He is credited with introducing the larger flute into classical music. He was also a renowned composer and conductor.
Which of the following acids is found in Tamarind?
Correct Answer: B. Tartaric acid
Tartaric acid is the primary organic acid found in tamarind fruits. It gives tamarind its characteristic sharp and sour flavor. It is also found in grapes and used in food preservation.
Who is the 'Ex-officio Chairman' of the Rajya Sabha?
Correct Answer: C. Vice-President
The Vice-President of India serves as the ex-officio Chairman of the Rajya Sabha. They preside over the proceedings of the upper house of Parliament. This provision is mentioned in Article 64 of the Constitution.
Majuli, the largest river island in the world, is located in which state?
Correct Answer: D. Assam
Majuli is a large river island in the Brahmaputra River in Assam. It was declared a district in 2016, making it India's first island district. It is a major hub of Neo-Vaishnavite culture.
The primary objective of the 'Dandi March' was to protest against the tax on?
Correct Answer: A. Salt
The Dandi March was launched to protest the British monopoly on salt production. Salt was a basic necessity, and the tax on it affected everyone. This act of defiance gained worldwide attention for the independence cause.
A 'Voltmeter' is an instrument used to measure?
Correct Answer: B. Potential difference
A Voltmeter is used to measure the electric potential difference between two points. It is always connected in parallel to the circuit component. The SI unit of potential difference is the Volt.
Who discovered the 'Double Helix' structure of DNA?
Correct Answer: C. Watson and Crick
James Watson and Francis Crick described the DNA double helix in 1953. They used data from Rosalind Franklin's X-ray diffraction studies. They were awarded the Nobel Prize in Medicine for this discovery.
Giddha is a popular folk dance of which state?
Correct Answer: D. Punjab
Giddha is a traditional folk dance performed by women in Punjab. It is usually performed during festive occasions like weddings or harvest festivals. It is characterized by energetic movements and rhythmic clapping.
What is the chemical formula of 'Quicklime'?
Correct Answer: A. CaO
Quicklime is the common name for Calcium Oxide (CaO). It is a white, caustic, and alkaline crystalline solid at room temperature. It is widely used in the manufacturing of steel and cement.
The 'Swadeshi Movement' was launched in which year?
Correct Answer: B. 1905
The Swadeshi Movement started in 1905 as a protest against the Partition of Bengal. It encouraged the use of Indian goods and the boycott of British goods. It was a key step towards self-reliance in the freedom struggle.
Under which Article can a High Court issue 'Writs' for the enforcement of Fundamental Rights?
Correct Answer: C. Article 226
Article 226 empowers High Courts to issue writs like Habeas Corpus and Mandamus. This power is broader than that of the Supreme Court under Article 32. Writs can be issued for fundamental rights or any other purpose.
The Rohtang Pass is located in which Indian state?
Correct Answer: D. Himachal Pradesh
Rohtang Pass is a high mountain pass in the eastern Pir Panjal Range. It connects the Kullu Valley with the Lahaul and Spiti Valleys. It is located in the state of Himachal Pradesh.
In economics, a general decrease in the price level of goods and services is called?
Correct Answer: A. Deflation
Deflation is the opposite of inflation and occurs when prices fall generally. It increases the real value of money over a period of time. However, persistent deflation can lead to lower economic growth.
Which molecule is known as the 'Energy Currency' of the cell?
Correct Answer: B. ATP
ATP (Adenosine Triphosphate) provides the energy required for cellular processes. It is produced during the process of cellular respiration in mitochondria. It stores energy in high-energy phosphate bonds.
Which principle explains why ships float on water?
Correct Answer: C. Archimedes' Principle
Archimedes' Principle states that a body immersed in a fluid experiences an upward buoyant force. This force is equal to the weight of the fluid displaced by the body. This allows heavy ships to float on the ocean.
The Bhakra Nangal Dam is built across which of the following rivers?
Correct Answer: D. Sutlej
Bhakra Nangal Dam is one of the highest gravity dams in the world. It is built across the Sutlej River in Himachal Pradesh and Punjab. Its reservoir is known as the 'Gobind Sagar' lake.