RRB Group D — Set 16
40 questions
What is the S.I. unit of Work?
Correct Answer: A. Joule
The S.I. unit of work is Joule. Work is defined as the product of force and displacement. It is a scalar quantity with no specific direction.
In which Indus Valley Civilization site was the 'Great Bath' found?
Correct Answer: B. Mohenjo-daro
The Great Bath was found in Mohenjo-daro. It was a large rectangular tank used for ritual bathing. This site is currently located in Pakistan.
Which type of forests are found in areas with more than 200 cm of annual rainfall?
Correct Answer: C. Tropical Evergreen Forests
Tropical Evergreen forests thrive in heavy rainfall areas. These forests remain green throughout the year as trees shed leaves at different times. Ebony and Rosewood are common trees found here.
Which Constitutional Amendment added the words 'Socialist' and 'Secular' to the Preamble?
Correct Answer: D. 42nd Amendment
The 42nd Amendment Act added these words in 1976. This amendment is also known as the 'Mini-Constitution'. It was enacted during the Prime Ministership of Indira Gandhi.
Which of the following is an inert gas found in the atmosphere?
Correct Answer: A. Helium
Helium is an inert or noble gas. These gases do not usually react with other elements. Helium is also used in weather balloons and deep-sea diving.
The 'Indigo Revolt' of 1859 took place in which Indian state?
Correct Answer: B. Bengal
The Indigo Revolt took place in Bengal in 1859. Farmers protested against the forced cultivation of indigo by British planters. The play 'Nil Darpan' depicted the misery of these farmers.
Which of the following soils is reddish in color due to the presence of iron oxides?
Correct Answer: C. Red Soil
Red soil gets its color from iron diffusion in crystalline rocks. It is found in areas of low rainfall in India. This soil becomes yellow when it occurs in a hydrated form.
A person suffering from 'Myopia' cannot see which objects clearly?
Correct Answer: D. Distant objects
Distant objects 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 Distant objects and related topics will help candidates score well in the GK section. Regular revision of such key facts is highly recommended for exam preparation.
Under which Article of the Constitution can a High Court issue 'Writs'?
Correct Answer: A. Article 226
Article 226 empowers High Courts to issue writs for fundamental rights. This power is broader than the Supreme Court's power under Article 32. Writs include Habeas Corpus, Mandamus, and Prohibition.
In which year did the Mughal Emperor Akbar abolish the 'Jizya' tax?
Correct Answer: B. 1564
Akbar abolished the Jizya tax in 1564. This was a significant step toward his policy of religious tolerance. However, the tax was later reintroduced by Aurangzeb in 1679.
What is the S.I. unit of Frequency?
Correct Answer: C. Hertz
The S.I. unit of frequency is Hertz. It measures the number of cycles per second. The human ear can hear frequencies between 20 Hz and 20,000 Hz.
What is the river Brahmaputra called in Tibet?
Correct Answer: D. Tsangpo
The Brahmaputra is known as Tsangpo in the Tibet region. It enters India through the state of Arunachal Pradesh. In Bangladesh, this river is known as the Jamuna.
What is the normal pH value of human blood?
Correct Answer: A. 7.4
The normal pH of human blood is approximately 7.4. This indicates that human blood is slightly basic. Maintaining this pH level is crucial for healthy body functions.
The concept of 'Triratna' (Three Jewels) is associated with which religion?
Correct Answer: B. Jainism
Jainism 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 Jainism 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 provides for a National Emergency?
Correct Answer: C. Article 352
Article 352 allows the President to declare a National Emergency. It can be declared due to war, external aggression, or armed rebellion. The emergency must be approved by Parliament within one month.
Which lens is also known as a 'Converging Lens'?
Correct Answer: D. Convex lens
A convex lens is known as a converging lens. It brings parallel light rays together at a single point called the focus. It is thicker in the middle than at the edges.
Which is the longest irrigation canal in India?
Correct Answer: A. Indira Gandhi Canal
The Indira Gandhi Canal is the longest irrigation canal in India. It starts from Harike Barrage in Punjab and runs through Rajasthan. This canal has significantly transformed the desert landscape.
Who started the construction of the 'Qutub Minar' in Delhi?
Correct Answer: B. Qutub-ud-din Aibak
Qutub-ud-din Aibak started the construction of Qutub Minar. He could only finish the first story before his death. The tower was later completed by his successor, Iltutmish.
The resistance of a conductor is inversely proportional to which of the following?
Correct Answer: C. Area of Cross-section
Resistance is inversely proportional to the area of cross-section. This means a thicker wire offers less resistance to current. It is directly proportional to the length and temperature.
What is the tenure of a member of the Rajya Sabha?
Correct Answer: D. 6 years
Members of the Rajya Sabha are elected for a term of 6 years. One-third of the members retire every two years. Rajya Sabha is a permanent body and cannot be dissolved.
The process of coating iron with zinc to prevent rusting is called?
Correct Answer: A. Galvanization
Galvanization involves applying a protective zinc coating to iron. This prevents the iron from coming into contact with air and moisture. Zinc acts as a sacrificial layer to stop rusting.
On which river is the 'Bhakra Nangal Dam' built?
Correct Answer: B. Sutlej
The Bhakra Nangal Dam is built on the Sutlej River. It is one of the highest gravity dams in the world. The reservoir of this dam is known as Gobind Sagar.
Which cell organelle is known as the 'Protein Factory' of the cell?
Correct Answer: C. Ribosome
Ribosomes are responsible for synthesizing proteins within a cell. They can be found floating in the cytoplasm or attached to the ER. They are the smallest organelles in the cell.
The 'Wood's Despatch' of 1854 is related to which of the following?
Correct Answer: D. Education
Wood's Despatch is known as the Magna Carta of English Education in India. It recommended a system of education from primary to university level. It led to the establishment of universities in 1857.
Which of the following is a vector quantity?
Correct Answer: A. Velocity
Velocity is a vector quantity because it has both magnitude and direction. Speed is its scalar counterpart with magnitude only. Displacement and Acceleration are also vector quantities.
The 'Sardar Sarovar Dam' is built on which river?
Correct Answer: B. Narmada
The Sardar Sarovar Dam is a major gravity dam on the Narmada River. It is located in the state of Gujarat. It provides water and electricity to four Indian states.
What is the common name of Calcium Oxide (CaO)?
Correct Answer: C. Quicklime
Calcium Oxide is commonly known as Quicklime. It is a white, caustic, alkaline crystalline solid. When mixed with water, it reacts vigorously to form slaked lime.
What is the minimum age to be appointed as a Governor of a state in India?
Correct Answer: D. 35 years
A person must be at least 35 years old to become a Governor. The Governor is appointed by the President of India. This post is for a term of five years.
The 'Mansabdari System' was introduced by which Mughal ruler?
Correct Answer: A. Akbar
Akbar introduced the Mansabdari system to organize the military and administration. Every officer was assigned a 'Mansab' or rank. This system determined the status and salary of the officials.
The process by which plants release excess water into the air is called?
Correct Answer: B. Transpiration
Transpiration is the evaporation of water from plant leaves. It occurs mainly through small openings called stomata. This process helps in the transport of minerals from roots.
Which imaginary line represents 0 degree latitude?
Correct Answer: C. Equator
The Equator is the 0 degree latitude line that divides Earth into two hemispheres. It is the longest circle of latitude. Countries on the equator experience roughly equal day and night.
In which year did Mahatma Gandhi start the 'Dandi March'?
Correct Answer: D. 1930
Mahatma Gandhi started the Dandi March on March 12, 1930. It was an act of nonviolent civil disobedience against the British salt monopoly. This march led to the Civil Disobedience Movement.
Atoms of the same element having the same atomic number but different mass numbers are called?
Correct Answer: A. Isotopes
Isotopes have the same number of protons but different numbers of neutrons. For example, Hydrogen has three isotopes: Protium, Deuterium, and Tritium. They have similar chemical properties but different physical properties.
Who is the highest Law Officer in India?
Correct Answer: B. Attorney General of India
The Attorney General is the chief legal advisor to the Government of India. This post is mentioned in Article 76 of the Constitution. The Attorney General is appointed by the President.
What is the unit of 'Power of Lens'?
Correct Answer: C. Dioptre
The power of a lens is measured in Dioptre. It is defined as the reciprocal of the focal length in meters. For a convex lens, power is positive, and for concave, it is negative.
Which soil is also known as 'Regur Soil'?
Correct Answer: D. Black Soil
Black soil is known as Regur soil and is ideal for growing cotton. It has a high water-retaining capacity. This soil is primarily found in the Deccan Trap region.
Who is known as the 'Napoleon of India'?
Correct Answer: A. Samudragupta
Samudragupta was given this title by historian V.A. Smith. He was a great conqueror of the Gupta Dynasty who never faced defeat. His achievements are recorded in the Prayag Prashasti pillar.
Which formula represents Kinetic Energy?
Correct Answer: B. 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).
Bharatanatyam is a classical dance form of which state?
Correct Answer: C. Tamil Nadu
Bharatanatyam is one of the oldest classical dance forms of Tamil Nadu. It is known for its fixed upper torso and bent legs. The performance usually includes intricate footwork and hand gestures.
What is the chemical name of 'Washing Soda'?
Correct Answer: D. Sodium Carbonate
Sodium Carbonate is the chemical name for washing soda. Its chemical formula is Na2CO3·10H2O. It is used as a water softener in laundry and for making glass.