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DSSSB PRT practice questions

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Question 1General Awareness

The Fundamental Duties of citizens were added to the Constitution of India on the recommendation of which committee?

  1. Ashok Mehta Committee
  2. Sarkaria Commission
  3. Balwant Rai Mehta Committee
  4. Swaran Singh Committee Correct answer.

Explanation

The Fundamental Duties were inserted by the 42nd Constitutional Amendment Act, 1976, on the recommendation of the Swaran Singh Committee, which had suggested that citizens' obligations be listed alongside rights. Article 51A originally contained ten duties, and a eleventh was added by the 86th Amendment in 2002.

Question 2General Awareness

Which layer of the Earth's atmosphere contains the ozone layer that absorbs most ultraviolet radiation?

  1. Troposphere
  2. Stratosphere Correct answer.
  3. Mesosphere
  4. Thermosphere

Explanation

The ozone layer lies mainly in the stratosphere, roughly 15 to 35 km above the surface, where ozone molecules absorb harmful ultraviolet radiation from the Sun. This absorption also warms the stratosphere and creates the temperature inversion that keeps weather confined to the troposphere below.

Question 3General Awareness

The Battle of Plassey in 1757 was fought between the forces of the East India Company and which Nawab of Bengal?

  1. Mir Jafar
  2. Alivardi Khan
  3. Siraj-ud-Daulah Correct answer.
  4. Mir Qasim

Explanation

Robert Clive defeated Siraj-ud-Daulah at Plassey in 1757, a victory made possible by the treachery of Mir Jafar and other conspirators in the Nawab's camp. The battle established Company political power in Bengal and paved the way for territorial expansion in India.

Question 4General Awareness

Which article of the Indian Constitution guarantees the right to constitutional remedies, described by Dr. Ambedkar as the 'heart and soul' of the Constitution?

  1. Article 44
  2. Article 21
  3. Article 19
  4. Article 32 Correct answer.

Explanation

Article 32 allows a citizen to move the Supreme Court directly for enforcement of Fundamental Rights through writs such as habeas corpus and mandamus. Dr. B. R. Ambedkar called this provision the heart and soul of the Constitution because it makes the rights enforceable rather than merely declaratory.

Question 5General Awareness

In the Indian numbering system, one lakh is equal to how many thousands?

  1. Ten thousand
  2. Hundred Correct answer.
  3. Thousand
  4. Ten

Explanation

One lakh equals 1,00,000, which is one hundred thousand, since a thousand is 1,000. The Indian place-value system groups digits after the thousands as lakh (10^5) and crore (10^7), unlike the international million grouping.

Question 6General Awareness

Which vitamin is synthesised in human skin when it is exposed to sunlight?

  1. Vitamin D Correct answer.
  2. Vitamin B12
  3. Vitamin A
  4. Vitamin C

Explanation

Ultraviolet-B radiation converts 7-dehydrocholesterol in the skin into vitamin D3, which the liver and kidneys then activate. This is why limited sun exposure is the main natural source of vitamin D, and deficiency can cause rickets in children.

Question 7General Awareness

Who is the author of the Sanskrit play 'Abhijnanashakuntalam'?

  1. Bhasa
  2. Banabhatta
  3. Kalidasa Correct answer.
  4. Vishakhadatta

Explanation

Abhijnanashakuntalam, the story of Shakuntala and King Dushyanta, was written by Kalidasa, widely regarded as the greatest poet and dramatist of classical Sanskrit literature. The play is celebrated for its poetic style and is among the works that first brought Sanskrit drama to European attention.

Question 8General Awareness

Which Indian state has the longest coastline along the Arabian Sea?

  1. Gujarat Correct answer.
  2. Maharashtra
  3. Karnataka
  4. Kerala

Explanation

Gujarat has the longest coastline of any Indian state, extending over roughly 1,600 km along the Arabian Sea, including the Gulf of Kutch and Gulf of Khambhat. Its deeply indented shoreline and numerous ports make it strategically and commercially significant.

Question 9General Awareness

The Tropic of Cancer passes through how many Indian states?

  1. Seven
  2. Eight Correct answer.
  3. Six
  4. Nine

Explanation

The Tropic of Cancer at 23.5 degrees north crosses eight Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram. It runs roughly through the middle of the country and marks the northern limit of the tropical zone.

Question 10General Awareness

The Rowlatt Act of 1919 is best described by which of the following statements?

  1. It created the Reserve Bank of India
  2. It abolished the system of dyarchy in the provinces
  3. It introduced separate electorates for religious communities
  4. It allowed detention without trial for suspected political offences Correct answer.

Explanation

The Rowlatt Act empowered the government to arrest and detain suspected revolutionaries without trial, which provoked nationwide protests led by Gandhi and culminated in the Jallianwala Bagh massacre. Indians called it a 'no dalil, no vakil, no appeal' law because it denied ordinary legal safeguards.

Question 11General Awareness

A train covers 360 km in 4 hours. What is its average speed in metres per second?

  1. 25 m/s Correct answer.
  2. 36 m/s
  3. 30 m/s
  4. 20 m/s

Explanation

The average speed is 360 divided by 4, which equals 90 km/h. To convert km/h to m/s, multiply by 5/18, giving 90 x 5/18 = 25 m/s.

Question 12General Awareness

Which body in India recommends the distribution of net proceeds of taxes between the Union and the States?

  1. Finance Commission Correct answer.
  2. Planning Commission
  3. Comptroller and Auditor General
  4. NITI Aayog

Explanation

The Finance Commission, constituted every five years under Article 280, recommends how tax revenue should be shared between the Centre and the States and among the States. Its recommendations on devolution are advisory but conventionally accepted by the government.

Question 13General Awareness

The process by which a solid changes directly into vapour without passing through the liquid state is called

  1. Condensation
  2. Deposition
  3. Evaporation
  4. Sublimation Correct answer.

Explanation

Sublimation is the direct conversion of a solid to vapour on heating, as seen when camphor or dry ice disappears without melting. The reverse process, vapour changing directly into solid, is called deposition.

Question 14General Awareness

Which Article of the Constitution provides for the establishment of a Finance Commission?

  1. Article 324
  2. Article 263
  3. Article 315
  4. Article 280 Correct answer.

Explanation

Article 280 requires the President to constitute a Finance Commission every five years or earlier, specifying its composition and functions. It is the constitutional basis for fiscal devolution between the Union and the States.

Question 15General Awareness

The 'Doctrine of Lapse' used by Lord Dalhousie to annex Indian states was based on the principle that

  1. a state could be annexed if its ruler converted to another religion
  2. a state whose ruler died without a natural heir would lapse to the British Correct answer.
  3. a state could be annexed if its ruler refused to pay tribute
  4. a state could be annexed if it failed to maintain law and order

Explanation

Under the Doctrine of Lapse, Dalhousie refused to recognise adopted sons as heirs, so any princely state whose ruler died without a natural male heir would be annexed by the Company. Satara, Jhansi and Nagpur were annexed on this basis, and the policy became a major grievance before 1857.

Question 16General Awareness

Which of the following is the largest gland in the human body?

  1. Pancreas
  2. Liver Correct answer.
  3. Salivary gland
  4. Thyroid

Explanation

The liver is the largest gland and the largest internal organ in the human body, weighing about 1.5 kg in adults. It secretes bile for fat digestion and performs many metabolic functions, including detoxification and storage of glycogen.

Question 17General Awareness

The 'Green Revolution' in India is most closely associated with which crop?

  1. Wheat Correct answer.
  2. Jute
  3. Tea
  4. Cotton

Explanation

The Green Revolution of the 1960s and 1970s, led by M. S. Swaminathan, introduced high-yielding dwarf varieties of wheat and expanded irrigation and fertiliser use, especially in Punjab and Haryana. Wheat output rose sharply, making India self-sufficient in food grains.

Question 18General Awareness

Which of the following is a UNESCO World Heritage Site located in Madhya Pradesh?

  1. Hampi
  2. Konark Sun Temple
  3. Elephanta Caves
  4. Khajuraho temples Correct answer.

Explanation

The Khajuraho group of monuments in Madhya Pradesh, built by the Chandela dynasty, is a UNESCO World Heritage Site known for its Nagara-style temple architecture and sculpture. Hampi, Konark and Elephanta are in Karnataka, Odisha and Maharashtra respectively.

Question 19General Awareness

Which of the following is the correct sequence of the first four Mughal emperors?

  1. Babur, Akbar, Humayun, Jahangir
  2. Babur, Humayun, Jahangir, Akbar
  3. Babur, Humayun, Akbar, Jahangir Correct answer.
  4. Humayun, Babur, Akbar, Jahangir

Explanation

The Mughal dynasty began with Babur, who defeated Ibrahim Lodi at Panipat in 1526, and was followed by Humayun, then Akbar, then Jahangir. Akbar's reign came before Jahangir's, who succeeded him in 1605.

Question 20General Awareness

In which of the following states is the Kaziranga National Park located?

  1. Odisha
  2. Meghalaya
  3. West Bengal
  4. Assam Correct answer.

Explanation

Kaziranga National Park lies in Assam along the Brahmaputra floodplain and is famous for the greater one-horned rhinoceros. It is a UNESCO World Heritage Site and one of the most important protected areas in northeastern India.

Question 21General Awareness

The 'Doctrine of Basic Structure', which limits Parliament's power to amend the Constitution, was established in which case?

  1. Shankari Prasad v. Union of India
  2. Golaknath v. State of Punjab
  3. Kesavananda Bharati v. State of Kerala Correct answer.
  4. Minerva Mills v. Union of India

Explanation

In Kesavananda Bharati (1973), the Supreme Court held that Parliament can amend the Constitution but cannot alter its basic structure, such as judicial review or free elections. This doctrine was later reinforced in Minerva Mills (1980) and remains a cornerstone of Indian constitutional law.

Question 22General Awareness

Which of the following is the correct order of the planets from the Sun, starting with the third planet?

  1. Earth, Mars, Jupiter, Saturn Correct answer.
  2. Earth, Venus, Mars, Jupiter
  3. Earth, Mars, Saturn, Jupiter
  4. Earth, Jupiter, Saturn, Mars

Explanation

Counting outward from the Sun, the third planet is Earth, followed by Mars, then Jupiter, then Saturn. Venus and Mercury lie between the Sun and Earth, while Uranus and Neptune lie beyond Saturn.

Question 23General Awareness

A sum of money doubles itself in 8 years at simple interest. What is the annual rate of interest?

  1. 15%
  2. 8%
  3. 12.5% Correct answer.
  4. 10%

Explanation

For simple interest, doubling means the interest earned equals the principal, so SI = P. Using SI = P x R x T / 100, we get P = P x R x 8 / 100, giving R = 100/8 = 12.5 per cent per annum.

Question 24General Awareness

Which of the following rivers does not originate in the Indian Himalayas?

  1. Indus
  2. Godavari Correct answer.
  3. Ganga
  4. Brahmaputra

Explanation

The Godavari rises in the Western Ghats near Nashik in Maharashtra and flows eastwards into the Bay of Bengal. The Brahmaputra, Indus and Ganga all originate in or near the Himalayan region, and the Godavari is therefore the odd one out.

Question 25General Awareness

The 'Doctrine of Pleasure' in Indian administrative law means that

  1. civil servants enjoy tenure until the age of superannuation
  2. civil servants can be dismissed only after a judicial inquiry
  3. civil servants must be consulted before any policy change
  4. civil servants hold office during the pleasure of the President or Governor Correct answer.

Explanation

The Doctrine of Pleasure, reflected in Article 310, means that civil servants hold office during the pleasure of the President or the Governor. Article 311, however, provides safeguards requiring a reasonable opportunity to be heard before dismissal, removal or reduction in rank.

Question 26General Awareness

Which Indian city is known as the 'Manchester of India' because of its concentration of cotton textile mills?

  1. Ahmedabad Correct answer.
  2. Coimbatore
  3. Kanpur
  4. Surat

Explanation

Ahmedabad earned the title 'Manchester of India' because its cotton textile industry grew rapidly on the Sabarmati river banks, aided by local capital and proximity to cotton-growing regions. Kanpur is called the 'Manchester of the North' and Coimbatore the 'Manchester of South India', so the plain title belongs to Ahmedabad.

Question 27General Awareness

Which of the following is the SI unit of electric resistance?

  1. Coulomb
  2. Ampere
  3. Ohm Correct answer.
  4. Volt

Explanation

Resistance is measured in ohms, defined as the resistance between two points when a potential difference of one volt produces a current of one ampere. The relationship is expressed by Ohm's law, V = IR.

Question 28General Awareness

The 'Sagarmala Programme' of the Government of India is primarily aimed at which of the following?

  1. Expanding metro rail networks in tier-two cities
  2. Building new international airports along the coast
  3. Port-led development and coastal infrastructure Correct answer.
  4. Promoting inland waterways for passenger transport

Explanation

Sagarmala seeks to modernise India's ports, improve port connectivity and promote port-led industrialisation along the coastline. Its components include port modernisation, connectivity enhancement, port-linked industrialisation and coastal community development.

Question 29General Awareness

Which of the following instruments is used to measure atmospheric pressure?

  1. Hygrometer
  2. Barometer Correct answer.
  3. Seismograph
  4. Anemometer

Explanation

A barometer measures atmospheric pressure and is used in weather forecasting because falling pressure often signals storms. Mercury barometers balance a column of mercury against the weight of the atmosphere.

Question 30General Awareness

The 'Poona Pact' of 1932 was an agreement between Mahatma Gandhi and which leader?

  1. B. R. Ambedkar Correct answer.
  2. Muhammad Ali Jinnah
  3. Jawaharlal Nehru
  4. Subhas Chandra Bose

Explanation

The Poona Pact, signed in 1932, followed Gandhi's fast against separate electorates for the Depressed Classes awarded by the Communal Award. Gandhi and Ambedkar agreed to reserved seats within a joint electorate instead of separate electorates.

Question 31General Awareness

Which of the following is the smallest bone in the human body?

  1. Malleus
  2. Femur
  3. Stapes Correct answer.
  4. Patella

Explanation

The stapes, located in the middle ear, is the smallest bone in the human body, measuring only a few millimetres. It transmits sound vibrations from the incus to the oval window of the inner ear.

Question 32General Awareness

Which Article of the Indian Constitution abolishes untouchability?

  1. Article 15
  2. Article 21
  3. Article 17 Correct answer.
  4. Article 14

Explanation

Article 17 abolishes untouchability and forbids its practice in any form, making any enforcement of a disability arising from it an offence punishable by law. Parliament enacted the Protection of Civil Rights Act, 1955 to give it effect.

Question 33General Awareness

A shopkeeper marks an article at Rs 500 and allows a discount of 20 percent on the marked price. If he still earns a profit of 25 percent on the cost price, what is the cost price of the article?

  1. Rs 400
  2. Rs 300
  3. Rs 375
  4. Rs 320 Correct answer.

Explanation

After a 20 percent discount the selling price is 80 percent of 500, that is Rs 400. A 25 percent profit means the selling price is 125 percent of cost, so cost equals 400 divided by 1.25, which is Rs 320.

Question 34General Awareness

The 'Bhoodan Movement', in which landowners were persuaded to donate land to the landless, was launched by which leader?

  1. Acharya Vinoba Bhave's associate Dhirendra Mazumdar alone
  2. Ram Manohar Lohia
  3. Vinoba Bhave Correct answer.
  4. Jayaprakash Narayan

Explanation

Vinoba Bhave launched the Bhoodan Movement in 1951 from Pochampalli in present-day Telangana, walking across India asking landlords to donate land for the landless. It later grew into the Gramdan movement, in which whole villages were gifted.

Question 35General Awareness

Which of the following gases is chiefly responsible for the depletion of the ozone layer in the stratosphere?

  1. Methane
  2. Chlorofluorocarbons Correct answer.
  3. Carbon dioxide
  4. Sulphur dioxide

Explanation

Chlorofluorocarbons release chlorine atoms in the stratosphere, and each chlorine atom can destroy many ozone molecules in a chain reaction. This is why the Montreal Protocol phased out their production.

Question 36General Awareness

The 'Dandi March' of 1930 was undertaken by Mahatma Gandhi primarily to protest against which of the following?

  1. The salt tax imposed by the British Correct answer.
  2. The Simon Commission
  3. The partition of Bengal
  4. The Rowlatt Act

Explanation

Gandhi marched from Sabarmati Ashram to Dandi and made salt from sea water, defying the British monopoly and tax on salt. The march marked the start of the Civil Disobedience Movement in 1930.

Question 37General Awareness

Consider the following: a body starts from rest and moves with uniform acceleration of 2 metres per second squared for 5 seconds. What distance does it cover in this interval?

  1. 20 m
  2. 50 m
  3. 10 m
  4. 25 m Correct answer.

Explanation

Using the kinematic equation s = ut + half a t squared with initial velocity zero, s equals half multiplied by 2 multiplied by 25, giving 25 metres. The velocity reached is 10 metres per second, but distance depends on the square of time under uniform acceleration.

Question 38General Awareness

Which of the following pairs of Indian dance form and its state of origin is correctly matched?

  1. Bharatanatyam and Kerala
  2. Kuchipudi and Tamil Nadu
  3. Kathakali and Karnataka
  4. Odissi and Odisha Correct answer.

Explanation

Odissi is the classical dance form that originated in Odisha, known for its tribhangi posture and temple sculptures. The other classical forms are tied to different states, so only the Odissi-Odisha pairing is accurate.

Question 39General Awareness

The 'Hindu Succession Act' of 1956 primarily governs which of the following?

  1. Adoption of children by Hindu families
  2. Maintenance of aged parents
  3. Marriage registration among Hindus
  4. Intestate succession and inheritance among Hindus Correct answer.

Explanation

The Hindu Succession Act, 1956 lays down rules for the devolution of property when a Hindu dies without a will, and the 2005 amendment made daughters coparceners in ancestral property. Adoption and maintenance are dealt with by separate enactments.

Question 40General Awareness

Which of the following Indian states is the largest producer of tea, accounting for more than half of the country's annual tea output?

  1. West Bengal
  2. Tamil Nadu
  3. Kerala
  4. Assam Correct answer.

Explanation

Assam is India's leading tea-producing state, contributing over 50% of the national tea production. Its tropical climate and heavy rainfall provide ideal conditions for tea cultivation, especially in the Brahmaputra valley. West Bengal is the second-largest producer, but its output is significantly lower than Assam's.

Question 41General Intelligence & Reasoning Ability

Pointing to a photograph, Ravi said, "She is the daughter of my grandfather's only son." How is the girl in the photograph related to Ravi?

  1. Sister Correct answer.
  2. Cousin
  3. Aunt
  4. Niece

Explanation

The grandfather's only son must be Ravi's father, and the daughter of Ravi's father is Ravi's sister. Since the phrase says 'only son', no uncle is involved, so the relation is a direct sibling.

Question 42General Intelligence & Reasoning Ability

Complete the series: 3, 6, 11, 18, 27, ?

  1. 40
  2. 38 Correct answer.
  3. 42
  4. 36

Explanation

The differences between consecutive terms are 3, 5, 7, 9, which increase by 2 each time. The next difference must be 11, so 27 + 11 = 38.

Question 43General Intelligence & Reasoning Ability

If in a certain code MONDAY is written as NPOEBZ, which rule is being used?

  1. The letters are reversed in order
  2. Each letter is shifted one place forward Correct answer.
  3. Vowels are replaced by the next consonant
  4. Each letter is shifted one place backward

Explanation

Comparing M→N, O→P, N→O, D→E, A→B, Y→Z shows every letter moves one step ahead in the alphabet. The order of letters is unchanged, confirming a simple forward shift.

Question 44General Intelligence & Reasoning Ability

Which number should replace the question mark? 5 : 27 :: 9 : ?

  1. 45
  2. 83 Correct answer.
  3. 81
  4. 63

Explanation

The relation is that the second number equals twice the first plus 17 is not consistent; instead 5×5+2=27, so 9×9+2=83. Checking: 25+2=27 and 81+2=83, so the rule is n²+2.

Question 45General Intelligence & Reasoning Ability

Find the odd one out: 8, 27, 64, 100

  1. 64
  2. 8
  3. 27
  4. 100 Correct answer.

Explanation

8, 27 and 64 are perfect cubes (2³, 3³, 4³). 100 is a perfect square but not a cube, so it breaks the pattern.

Question 46General Intelligence & Reasoning Ability

A is taller than B but shorter than C. D is taller than C. Who is the tallest?

  1. D Correct answer.
  2. A
  3. C
  4. B

Explanation

The order from the statements is B < A < C < D. Since D is taller than C, and C is taller than A and B, D is the tallest of all four.

Question 47General Intelligence & Reasoning Ability

Which letter comes next in the series: A, C, F, J, O, ?

  1. S
  2. V
  3. U Correct answer.
  4. T

Explanation

The gaps between successive letters are 2, 3, 4, 5, so the next gap is 6. Counting six letters after O gives U.

Question 48General Intelligence & Reasoning Ability

If South-East becomes North, then what does North-West become?

  1. South
  2. North-East
  3. South-West
  4. East Correct answer.

Explanation

Turning South-East into North is a rotation of 135° anticlockwise. Applying the same rotation to North-West lands on East.

Question 49General Intelligence & Reasoning Ability

Six friends sit in a row facing north. P is third from the left and Q is second from the right. How many people sit between P and Q if there are exactly six seats?

  1. None
  2. Three
  3. One Correct answer.
  4. Two

Explanation

P occupies seat 3 from the left. Q is second from the right, which is seat 5 in a row of six. Seats 4 lies between them, so exactly one person sits between P and Q.

Question 50General Intelligence & Reasoning Ability

Statements: All pens are books. Some books are red. Conclusions: (I) Some pens are red. (II) Some red are books. Which conclusion follows?

  1. Both I and II follow
  2. Neither I nor II follows
  3. Only II follows Correct answer.
  4. Only I follows

Explanation

'Some books are red' converts validly to 'Some red are books', so conclusion II follows. Conclusion I is not guaranteed because the red books may be outside the pen set.