RRB Group D — Set 30

Q: The deficiency of Vitamin B1 leads to which of the following diseases?

Beriberi. Beriberi is a condition caused by a lack of thiamine in the diet. This vitamin is essential for the body to convert carbohydrates into energy. Brown rice and whole grains are rich sources of Vitamin B1.

Q: The red color of red soil is primarily due to the presence of ______.?

Iron Oxide. Iron oxide or ferric oxide gives the soil its characteristic reddish appearance. This type of soil is generally formed from the weathering of crystalline rocks. It becomes yellow in color when it occurs in a hydrated form.

Q: Which article of the Indian Constitution deals with the Uniform Civil Code?

Article 44. Article 44 is a Directive Principle that suggests a common set of laws for all citizens. It aims to replace personal laws based on religious scriptures with uniform secular laws. Currently, Goa is the only Indian state to have a Uniform Civil Code.

Q: Which dynasty of the Delhi Sultanate reigned for the longest period?

Tughlaq Dynasty. The Tughlaq dynasty ruled for nearly 94 years starting from the year 1320. Ghiyasuddin Tughlaq was the founder of this powerful Turkish-origin dynasty. They were succeeded by the Sayyid dynasty in the early 15th century.

Q: What is the formula to calculate the Kinetic Energy of an object?

1/2 mv². The formula for Kinetic Energy is KE = ½mv², where m is the mass of the object (in kg) and v is its velocity (in m/s). The formula KE = ½mv² shows that kinetic energy is directly proportional to both mass and the square of velocity. This formula ½mv² was derived from the work-energy theorem and is fundamental in classical mechanics. The unit of kinetic energy (½mv²) is Joule (J).

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The deficiency of Vitamin B1 leads to which of the following diseases?

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Correct Answer: A. Beriberi

Beriberi is a condition caused by a lack of thiamine in the diet. This vitamin is essential for the body to convert carbohydrates into energy. Brown rice and whole grains are rich sources of Vitamin B1.

The red color of red soil is primarily due to the presence of ______.?

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Correct Answer: B. Iron Oxide

Iron oxide or ferric oxide gives the soil its characteristic reddish appearance. This type of soil is generally formed from the weathering of crystalline rocks. It becomes yellow in color when it occurs in a hydrated form.

Which article of the Indian Constitution deals with the Uniform Civil Code?

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Correct Answer: C. Article 44

Article 44 is a Directive Principle that suggests a common set of laws for all citizens. It aims to replace personal laws based on religious scriptures with uniform secular laws. Currently, Goa is the only Indian state to have a Uniform Civil Code.

Which dynasty of the Delhi Sultanate reigned for the longest period?

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Correct Answer: D. Tughlaq Dynasty

The Tughlaq dynasty ruled for nearly 94 years starting from the year 1320. Ghiyasuddin Tughlaq was the founder of this powerful Turkish-origin dynasty. They were succeeded by the Sayyid dynasty in the early 15th century.

What is the formula to calculate the Kinetic Energy of an object?

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Correct Answer: A. 1/2 mv²

The formula for Kinetic Energy is KE = ½mv², where m is the mass of the object (in kg) and v is its velocity (in m/s). The formula KE = ½mv² shows that kinetic energy is directly proportional to both mass and the square of velocity. This formula ½mv² was derived from the work-energy theorem and is fundamental in classical mechanics. The unit of kinetic energy (½mv²) is Joule (J).

On which date was the Constitution of India adopted by the Constituent Assembly?

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Correct Answer: B. 26 November 1949

The Constitution was formally adopted on November 26, which is now celebrated as Law Day. However, the majority of its provisions came into force on January 26, 1950. The Constituent Assembly took almost three years to complete the final draft.

The city of Vijayanagara was situated on the banks of which river?

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Correct Answer: C. Tungabhadra

Tungabhadra provided a natural defense and water supply for the capital city of the empire. The ruins of this ancient city are now preserved at the Hampi heritage site. The river is formed by the union of two smaller rivers called Tunga and Bhadra.

Which vitamin is also known as the 'Anti-sterility Vitamin'?

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Correct Answer: D. Vitamin E

Vitamin E is essential for maintaining a healthy reproductive system in humans. It also acts as a powerful antioxidant that protects cells from oxidative damage. Nuts, seeds, and vegetable oils are excellent dietary sources of this vitamin.

In which year was the Sahitya Akademi established in India?

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Correct Answer: A. 1954

Sahitya Akademi was founded in 1954 to promote literature in the various languages of India. It is an autonomous organization under the Ministry of Culture. The Akademi presents annual awards to the best literary works published in 24 languages.

Which river is popularly known as 'Dakshin Ganga'?

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Correct Answer: B. Godavari

Godavari is the largest river in South India and the second longest river in the country. It is called Dakshin Ganga due to its large size and significant religious importance. It originates from the Brahmagiri mountains in the Trimbakeshwar region.

Which article of the Indian Constitution gives the Parliament the power to amend the Constitution?

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Correct Answer: C. Article 368

Article 368 outlines the procedure for amending the constitutional provisions. Only the Parliament has the authority to initiate a constitutional amendment bill. Some amendments require a special majority and ratification by the states.

Which law of Newton states that for every action, there is an equal and opposite reaction?

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Correct Answer: D. Third Law

The Third Law of Motion explains the interaction between two colliding or interacting objects. This principle is fundamental to the propulsion of rockets and the recoil of guns. Forces always exist in pairs according to this physical law.

Which Indian state is the largest producer of natural rubber?

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Correct Answer: A. Kerala

Kerala produces more than 75% of the total natural rubber in the country. The climate of the Western Ghats is highly suitable for rubber plantation growth. Rubber is a tropical plant that requires high rainfall and warm temperatures.

Where is the headquarters of the SAARC located?

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Correct Answer: B. Kathmandu

The SAARC Secretariat was established in Kathmandu, Nepal, on January 16, 1987. It serves as the main coordinating body for regional cooperation in South Asia. SAARC consists of eight member nations including India and Pakistan.

In which part of the Indian Constitution are the Directive Principles of State Policy included?

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Correct Answer: C. Part IV

Part IV contains articles from 36 to 51 that guide the government in policy-making. These principles are not justiciable in a court of law but are fundamental to governance. They are inspired by the Constitution of Ireland.

Which element is found in the center of the Hemoglobin molecule?

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Correct Answer: D. Iron

Iron is the essential component that allows hemoglobin to bind with oxygen molecules. It gives the red blood cells their ability to transport oxygen throughout the body. A deficiency of iron leads to a common condition called anemia.

In which year was India's first satellite, 'Aryabhata', launched?

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Correct Answer: A. 1975

Aryabhata was launched on April 19, 1975, using a Soviet rocket. It was named after the famous 5th-century Indian astronomer and mathematician. This successful launch marked India's entry into the space age.

Yakshagana is a traditional theater form belonging to which state?

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Correct Answer: B. Karnataka

Yakshagana is a unique blend of dance, music, dialogue, and heavy costume design. It is primarily performed in the coastal districts of the state of Karnataka. The stories are usually based on themes from the Ramayana and Mahabharata.

The Hirakud Dam is built across which of the following rivers?

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Correct Answer: C. Mahanadi

Hirakud is one of the longest earthen dams in the world, located in Odisha. It was constructed primarily to control floods in the Mahanadi river basin. The dam also provides water for irrigation and hydroelectric power generation.

What is the common name for solid Carbon Dioxide?

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Correct Answer: D. Dry Ice

Dry ice is used as a cooling agent because it is colder than regular water ice. It undergoes sublimation, meaning it turns directly from a solid to a gas. It is widely used for shipping frozen foods and creating fog effects.

Which article of the Indian Constitution guarantees the 'Right to Equality before Law'?

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Correct Answer: A. Article 14

Article 14 ensures that the state shall not deny any person equality before the law. This right applies to all persons, whether they are citizens or foreigners. It is one of the pillars of the democratic legal system in India.

The scientific study of blood serum is known as ______.?

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Correct Answer: B. Serology

Serology focuses on the identification of antibodies and antigens in the serum. It is crucial for diagnosing various infectious diseases and determining blood compatibility. While hematology studies whole blood, serology specifically examines the fluid portion.

The ancient Harappan site of Kalibangan is located in which Indian state?

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Correct Answer: C. Rajasthan

Rajasthan is the correct answer to this question. It is the largest state of India by area, covering approximately 10.4% of the country's total land area. Rajasthan is famous for its desert landscape, historical forts, palaces, and vibrant culture.

The Great Stupa at Sanchi was originally built by which ruler?

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Correct Answer: D. Ashoka

Emperor Ashoka commissioned the Sanchi Stupa in the 3rd century BCE. It is one of the oldest stone structures in India and a major Buddhist pilgrimage site. The stupa is located in the Raisen district of Madhya Pradesh.

Ghoomar is a traditional folk dance of which state?

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Correct Answer: A. Rajasthan

Which metal is present in the vitamin B12 molecule?

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Correct Answer: B. Cobalt

Vitamin B12 is also known as cobalamin because of the central cobalt atom in its structure. It is essential for the proper formation of red blood cells and nerve function. This vitamin is primarily found in animal-based food products.

The Brahmaputra River is known by which name in Tibet?

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Correct Answer: C. Tsangpo

The Yarlung Tsangpo originates from the Angsi Glacier in the Himalayas. It enters India through the state of Arunachal Pradesh, where it is called the Siang. It is one of the few rivers in the world that exhibits a tidal bore.

The disease 'Rabies' is caused by which type of pathogen?

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Correct Answer: D. Virus

Virus 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 Virus and related topics will help candidates score well in the GK section. Regular revision of such key facts is highly recommended for exam preparation.

Which article of the Indian Constitution defines a 'Money Bill'?

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Correct Answer: A. Article 110

Article 110 specifies the criteria that make a bill a Money Bill. The Speaker of the Lok Sabha has the final authority to certify such a bill. A Money Bill can only be introduced in the Lok Sabha with the President's recommendation.

In which state are the Ajanta Caves located?

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Correct Answer: B. Maharashtra

The Ajanta Caves are located in Maharashtra, in the Aurangabad district. These rock-cut Buddhist cave monuments date from the 2nd century BCE to about 480 CE and are a UNESCO World Heritage Site. Maharashtra is home to many important historical and UNESCO heritage sites.

The pitch of a sound wave is primarily determined by its ______.?

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Correct Answer: C. Frequency

Frequency is the number of vibrations produced by a sound source per unit of time. A high-frequency sound is perceived as high-pitched, while a low frequency is low-pitched. Humans can hear sounds within the frequency range of 20 to 20,000 Hertz.

The 'White Revolution' in India is associated with the production of ______.?

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Correct Answer: D. Milk

The White Revolution aimed to make India a self-sufficient nation in milk production. It was launched through 'Operation Flood', which became the world's largest dairy development program. Dr. Verghese Kurien is known as the Father of this revolution.

The Shanti Swarup Bhatnagar Award is given for outstanding contribution in which field?

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Correct Answer: A. Science and Technology

This award is the highest multidisciplinary science prize in India. It is presented annually by the Council of Scientific and Industrial Research (CSIR). The award is named after the first Director General of the CSIR.

Under which article can the President of India grant a pardon to a convict?

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Correct Answer: B. Article 72

Article 72 gives the President the power to remit or commute the sentences of any person. This power includes the authority to grant a pardon even in cases of a death sentence. It is an executive power intended to correct potential judicial errors.

Which South Indian dynasty was famous for its powerful naval fleet?

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Correct Answer: C. Chola Dynasty

The Cholas maintained a dominant navy that allowed them to expand their influence to Southeast Asia. They successfully conquered regions like Sri Lanka and parts of the Malay Peninsula. Their naval strength made the Bay of Bengal a 'Chola Lake' for a period.

In which layer of the atmosphere is the Ozone layer found?

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Correct Answer: D. Stratosphere

The stratosphere extends from about 10 to 50 kilometers above the Earth's surface. The ozone layer within it absorbs most of the harmful ultraviolet radiation from the sun. Protecting this layer is essential for preventing skin cancer and environmental damage.

Which form of carbon is used as a dry lubricant in heavy machinery?

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Correct Answer: A. Graphite

Graphite has a layered structure with weak forces between the layers, allowing them to slide. This property makes it an excellent lubricant for machines operating at high temperatures. It is also a good conductor of electricity due to its free electrons.

The Bandipur National Park is located in which Indian state?

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Correct Answer: B. Karnataka

Bandipur National Park and Tiger Reserve is located in Karnataka, in the Chamarajanagar district. It was established as a tiger reserve under Project Tiger in 1974. Karnataka is home to several important wildlife reserves including Bandipur, Nagarhole, and Bhadra.

Which part of the Indian Constitution contains the provisions for the Panchayats?

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Correct Answer: C. Part IX

Part IX was added to the Constitution to provide a legal framework for rural local self-government. It consists of articles from 243 to 243-O. This part was inserted by the landmark 73rd Constitutional Amendment Act.

Which type of mirror is commonly used by dentists and for shaving?

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Correct Answer: D. Concave mirror

A concave mirror produces an enlarged and upright image when an object is placed close to it. This allows dentists to see a magnified view of the teeth for better examination. It is also useful in shaving mirrors to see the facial details clearly.