KPSC FDA 2019 — Paper 3 - General Studies (GS)

All 100 questions from this paper with the correct answer and a detailed explanation for each. Covers Indian Polity, Ancient & Medieval History (India), Modern History (India), General Mental Ability, Environment, Agriculture Science, Karnataka History, Indian Culture, Karnataka Geography, Current Affairs, Economy, Biology, Economic Geography (India), Schemes & Social Justice, Applied Science & Technology, Physics, Geography of India, Physical Geography (World), Chemistry, Awards & Honours.

Questions
100 questions
Duration
90 minutes
Marking
+1.000
Q1Indian PolityCentre-State Relations & FederalismUnion-State Legislative, Administrative & Financial Relations

Sarkaria Commission was formed to give report on

  1. A.

    Child labour

  2. B.

    Centre - State relations

    Correct
  3. C.

    Environment

  4. D.

    None of the above

Explanation

The Sarkaria Commission (1983) was constituted to examine and recommend on Centre-State relations in India.

Q2Ancient & Medieval History (India)Prehistoric Era & Indus Valley CivilizationHarappan Civilization: Society, Economy, Decline

Which of the following was not a contemporary of Indus Civilization?

  1. A.

    Egyptian Civilization

  2. B.

    Mesapotomian Civilization

  3. C.

    Sumerian Civilization

  4. D.

    Greek Civilization

    Correct

Explanation

The Indus Valley Civilization (c. 2600-1900 BCE) was contemporaneous with Mesopotamian and Egyptian civilizations, not the much later Greek Civilization.

Q3Modern History (India)Indian National MovementEarly Nationalism, Swadeshi & Home Rule

The author of "Poverty and Un-British Rule in India" is

  1. A.

    R.C. Dutt

  2. B.

    Henry Cotton

  3. C.

    Dadabhai Naoroji

    Correct
  4. D.

    Mahatma Gandhi

Explanation

Dadabhai Naoroji authored 'Poverty and Un-British Rule in India', articulating his 'Drain of Wealth' theory.

Q4Modern History (India)Indian National MovementGandhian Era: Non-Cooperation, Civil Disobedience, Quit India

The famous 'Swarajist Party' was formed after the failure of

  1. A.

    Non-Cooperation Movement

    Correct
  2. B.

    Civil Disobedience Movement

  3. C.

    Quit India Movement

  4. D.

    Home Rule Movement

Explanation

The Swaraj Party was formed by C.R. Das and Motilal Nehru after the Non-Cooperation Movement was suspended following the Chauri Chaura incident.

Q5Modern History (India)Indian National MovementConstitutional Developments (Simon Commission, Round Table, GoI Act 1935)

Gandhi-Irwin Pact was signed in

  1. A.

    1932

  2. B.

    1931

    Correct
  3. C.

    1930

  4. D.

    1935

Explanation

The Gandhi-Irwin Pact, ending the Civil Disobedience Movement's first phase, was signed in 1931.

Q6Modern History (India)Indian National MovementRevolutionary Movements & the INA

Which of the following journals was not associated with revolutionary terrorism?

  1. A.

    Sandhya

  2. B.

    Yugantar

  3. C.

    Gadar

  4. D.

    Young India

    Correct

Explanation

'Young India', Gandhi's own journal advocating non-violent constitutional methods, was not associated with revolutionary terrorism, unlike journals such as Yugantar or Sandhya.

Q7Ancient & Medieval History (India)Regional & South Indian DynastiesSangam Age and Society

Which was the centre of 'Sangam literature'?

  1. A.

    Madurai

    Correct
  2. B.

    Chennai

  3. C.

    Tanjore

  4. D.

    Kanchi

Explanation

Madurai, under Pandya patronage, was the traditional centre of Sangam literary assemblies.

Q8Modern History (India)British Administration, Economic Policy & Legal DevelopmentsLand Revenue Systems (Permanent, Ryotwari, Mahalwari)

Who introduced Ryotwari System?

  1. A.

    Sir Thomas Munro

    Correct
  2. B.

    Warren Hastings

  3. C.

    Lord Cornwallis

  4. D.

    None of the above

Explanation

Sir Thomas Munro introduced the Ryotwari System of land revenue settlement, mainly in Madras Presidency.

Q9General Mental AbilityLogical ReasoningCoding-Decoding

If EFGHIJK is coded as VUTSRQP, then LIMIT is coded as

  1. A.

    KNRNC

  2. B.

    JKOKG

  3. C.

    RSTSG

  4. D.

    ORNRG

    Correct

Explanation

Each letter is coded as its complement in the alphabet (position n becomes position 27-n): so LIMIT (12,9,13,9,20) codes to O,R,N,R,G (15,18,14,18,7).

Q10General Mental AbilityBasic NumeracyNumbers & Number Systems

Find the missing number: 2, 4, 12, 48, 240, -------

  1. A.

    1240

  2. B.

    1260

  3. C.

    1380

  4. D.

    1440

    Correct

Explanation

Each term is multiplied by an increasing integer (x2, x3, x4, x5, x6): 2,4,12,48,240, so the next term is 240*6 = 1440.

Q11General Mental AbilityBasic NumeracyMiscellaneous

A and B together can complete a piece of work in 6 days. If A alone can complete the same work in 10 days, in how many days can B alone complete the work?

  1. A.

    12 days

  2. B.

    10 days

  3. C.

    8 days

  4. D.

    15 days

    Correct

Explanation

A's one-day work is 1/10; combined work of A and B is 1/6; so B's one-day work is 1/6-1/10 = 1/15, meaning B alone takes 15 days.

Q12General Mental AbilityBasic NumeracyPercentage

A person spends 30% of his salary on food and 10% on house rent. If he is left with ₹ 12,000, what is his salary?

  1. A.

    ₹ 20,000

    Correct
  2. B.

    ₹ 25,000

  3. C.

    ₹ 28,000

  4. D.

    ₹ 30,000

Explanation

He spends 40% of his salary (30%+10%) and is left with 60%; 60% of salary = Rs. 12,000, so salary = Rs. 20,000.

Q13General Mental AbilityLogical ReasoningSyllogism

In the following question, two statements followed by the conclusions which are numbered I and II, are given. Select the answer which is obtained by logical method after assuming given statements. Statements : a. Some camels are ships. b. No ship is a boat. Conclusions : I. Some ships are camels. II. Some camels are not boats.

  1. A.

    Only I follows

  2. B.

    Only II follows

  3. C.

    Either I or II follows

  4. D.

    Both I and II follow

    Correct

Explanation

'Some camels are ships' directly gives 'Some ships are camels' (conversion); and since no ship is a boat, camels that are ships cannot be boats either, giving 'Some camels are not boats' — both conclusions follow.

Q14General Mental AbilityLogical ReasoningRanking & Ordering

Nageena is taller than Pushpa but not as tall as Manish. Reena is taller than Namita but not as tall as Pushpa. Who among them is the tallest?

  1. A.

    Nageena

  2. B.

    Pushpa

  3. C.

    Manish

    Correct
  4. D.

    Namita

Explanation

Ordering the heights: Manish > Nageena > Pushpa > Reena > Namita, so Manish is the tallest.

Q15General Mental AbilityBasic NumeracyMiscellaneous

Based on a sample of size 20, the mean value is 31.5. If two more observations, 35 and 39, are added to the sample, then the new mean is

  1. A.

    35.167

  2. B.

    32

    Correct
  3. C.

    35.2

  4. D.

    29.5

Explanation

New mean = (20*31.5 + 35 + 39) / 22 = (630+74)/22 = 704/22 = 32.

Q16General Mental AbilityBasic NumeracyPercentage

Price of a commodity was initially ₹ 1250, then the next month it is increased 20% and in the second month 10% was the increase. The price after two months is

  1. A.

    ₹ 1550

  2. B.

    ₹ 1650

    Correct
  3. C.

    ₹ 1625

  4. D.

    ₹ 1350

Explanation

1250 increased by 20% gives 1500; 1500 increased by 10% gives 1650.

Q17General Mental AbilityBasic NumeracyMiscellaneous

Assuming that a box contains ten balls in all, of which six are green and four are red, what is the probability of drawing a red ball?

  1. A.

    0.1

  2. B.

    0.5

  3. C.

    1.0

  4. D.

    0.4

    Correct

Explanation

Probability of drawing a red ball = 4 red balls / 10 total balls = 0.4.

Q18EnvironmentPollutionSolid Waste Management

Technology for generation of energy from waste is

  1. A.

    Mineralization

  2. B.

    Sedimentation

  3. C.

    Segregation

  4. D.

    Biomethanisation

    Correct

Explanation

Biomethanation is a technology that generates biogas (energy) from the anaerobic digestion of organic waste.

Q19Agriculture ScienceAgriculture ScienceVermicomposting & Soil

Vermicomposting is carried out by

  1. A.

    Soil fauna

  2. B.

    Earthworms

    Correct
  3. C.

    Fungi

  4. D.

    Insects

Explanation

Vermicomposting is the process of composting organic waste using earthworms to produce nutrient-rich manure.

Q20Ancient & Medieval History (India)Regional & South Indian DynastiesCholas, Pallavas, Pandyas, Chalukyas, Rashtrakutas

The Chalukyan army was known as

  1. A.

    Chalukya Sena

  2. B.

    Karnatabala

    Correct
  3. C.

    Kannadabala

  4. D.

    Vikramadityabala

Explanation

The Chalukya army was known as 'Karnatabala'.

Q21Karnataka HistoryAncient & Medieval Karnataka DynastiesKadambas, Gangas, Chalukyas, Rashtrakutas, Hoysalas

Educational instutions during the period of Hoysala were called

  1. A.

    Viharas

  2. B.

    Chaityas

  3. C.

    Ghatikas

    Correct
  4. D.

    Agraharas

Explanation

During the Hoysala period, educational institutions/centres of learning attached to temples were called Ghatikas.

Q22Ancient & Medieval History (India)Delhi Sultanate & Regional KingdomsMiscellaneous

Which new architectural style evolved under the Seuna (Yadava's) of Devagiri?

  1. A.

    Dravida style

  2. B.

    Indo-Islamic style

  3. C.

    Hemadpanthi style

    Correct
  4. D.

    Nagara style

Explanation

The Seuna (Yadava) rulers of Devagiri patronised the Hemadpanthi architectural style, using interlocking stone construction without mortar.

Q23Karnataka HistoryMysore Kingdom & Colonial KarnatakaMiscellaneous

Among the following, which Diwan established the 'Mysore Oriental Library'?

  1. A.

    Diwan Purnaiah

  2. B.

    Diwan Sir M. Vishwesharaiah

  3. C.

    Diwan C. Rangacharlu

    Correct
  4. D.

    Diwan Mirza Ismail

Explanation

Diwan C. Rangacharlu of Mysore State established the Mysore Oriental Library.

Q24Ancient & Medieval History (India)Mauryan, Gupta & Post-Gupta IndiaMauryan Empire & Ashoka

What was the language of administration in Mauryan period?

  1. A.

    Prakrit

    Correct
  2. B.

    Sanskrit

  3. C.

    Ardhamagadi

  4. D.

    Kharoshti

Explanation

Prakrit was the language of administration and Ashokan inscriptions during the Mauryan period.

Q25Indian CultureArchitecture & SculptureAncient & Medieval Temple Architecture

Who built the world famous temples at Khajuraho?

  1. A.

    Pratiharas

  2. B.

    Pushyabhutis

  3. C.

    Chandelas

    Correct
  4. D.

    Pandyas

Explanation

The Khajuraho temples were built by the Chandela dynasty.

Q26Ancient & Medieval History (India)Mauryan, Gupta & Post-Gupta IndiaGupta Empire (Golden Age) & Harshavardhana

Name the author of the book "Harsha Charita" which describes the history of Harshavardhana.

  1. A.

    Banabhatta

    Correct
  2. B.

    Vishakhadatta

  3. C.

    Kalidasa

  4. D.

    Ravikeerthi

Explanation

'Harsha Charita', a biography of Emperor Harshavardhana, was written by Banabhatta, his court poet.

Q27Ancient & Medieval History (India)Delhi Sultanate & Regional KingdomsBahmani and Deccan Sultanates

Who was the founder of Gol Gumbaz in Bijapur?

  1. A.

    Mohammad Ghosh

  2. B.

    Yusuf Arif

  3. C.

    Ibrahim Adil Shah

  4. D.

    Mohammed Adil Shah

    Correct

Explanation

The Gol Gumbaz at Bijapur was built by Mohammed Adil Shah of the Adil Shahi dynasty as his mausoleum.

Q28Karnataka GeographyAgriculture & AlliedKarnataka Agriculture & Allied Activities

The share of Scheduled Castes group in total operational holdings in Karnataka according to 2010 - 2011 Agricultural Census is

  1. A.

    8%

  2. B.

    20%

  3. C.

    11.7%

    Correct
  4. D.

    12.5%

Explanation

As per the 2010-11 Agricultural Census, Scheduled Castes accounted for about 11.7% of Karnataka's total operational land holdings.

Q29Karnataka GeographyPopulation & DemographicsKarnataka Census Data

According to 2011 Census, which district has the highest percentage of rural population?

  1. A.

    Koppal

  2. B.

    Mandya

  3. C.

    Chamarajanagar

  4. D.

    Kodagu

    Correct

Explanation

As per the 2011 Census, Kodagu district recorded the highest percentage of rural population in Karnataka.

Q30Karnataka GeographyPopulation & DemographicsKarnataka Census Data

What is the rural literacy rate in Karnataka according to 2011 Census?

  1. A.

    59.60%

  2. B.

    68.86%

    Correct
  3. C.

    65.46%

  4. D.

    63.00%

Explanation

As per the 2011 Census, Karnataka's rural literacy rate was recorded at 68.86%.

Q31Karnataka GeographyPopulation & DemographicsKarnataka Census Data

According to District Human Development Report, which is the lowest ranking district in Karnataka?

  1. A.

    Raichur

    Correct
  2. B.

    Koppal

  3. C.

    Yadgiri

  4. D.

    Vijayapura

Explanation

Raichur district has been ranked lowest among Karnataka's districts in the District Human Development Report.

Q32Current AffairsEvents in NewsMiscellaneous

The terms used to explain the direction of social change is

  1. A.

    Westernisation

  2. B.

    Sanskritisation

  3. C.

    Modernisation

  4. D.

    All of the above

    Correct

Explanation

Terms such as evolution, progress, diffusion and acculturation are all used to describe the direction/nature of social change.

Q33Karnataka GeographyAgriculture & AlliedKarnataka Agriculture & Allied Activities

Kharif season in Karnataka is from

  1. A.

    February to June

  2. B.

    April to September

    Correct
  3. C.

    October to December

  4. D.

    June to September

Explanation

The Kharif cropping season in Karnataka is generally reckoned from April to September.

Q34Current AffairsKarnataka Current AffairsKarnataka Administration, Acts & Events

The Chairman of the Sixth Pay Commission of Karnataka State is

  1. A.

    Sri M.R. Sreenivasa Murthy

    Correct
  2. B.

    Sri Mohammed Sanaulla

  3. C.

    Prof. U.R. Rao

  4. D.

    Justice Jagannatha Shetty

Explanation

Sri M.R. Sreenivasa Murthy chaired the Sixth Pay Commission of the Karnataka State Government.

Q35Karnataka GeographyRivers & WaterfallsKarnataka River Systems

Which of the following districts get water from Upper Krishna Project?

  1. A.

    Bellary and Bidar

  2. B.

    Belgaum and Uttar Kannada

  3. C.

    Shimoga and Chitradurga

  4. D.

    Bijapur, Gulbarga and Raichur

    Correct

Explanation

The Upper Krishna Project supplies irrigation water to the Bijapur, Gulbarga and Raichur districts of Karnataka.

Q36Current AffairsKarnataka Current AffairsKarnataka Government Policies

A programme which provides electricity to SC/ST people who are below poverty line in Karnataka is

  1. A.

    Soura Shakti

  2. B.

    Bhagya Jyothi

    Correct
  3. C.

    Karnataka Shakti

  4. D.

    Vidyuth Shakthi

Explanation

'Bhagya Jyothi' is a Karnataka government scheme providing free/subsidised electricity connections to BPL households from SC/ST communities.

Q37EconomyFiscal Policy & TaxationTaxes (Direct & Indirect)

Entertainment tax is imposed by

  1. A.

    State Government

    Correct
  2. B.

    Central Government

  3. C.

    Both of the above

  4. D.

    None of the above

Explanation

Entertainment tax, before GST subsumed much of it, was levied by State Governments.

Q38BiologyDiseasesNutritional Diseases & Vitamin Deficiencies

Calorie requirement in rural areas is more than in the urban areas since

  1. A.

    rural people eat more

  2. B.

    rural people have strong bodies

  3. C.

    rural people do more hard physical work

    Correct
  4. D.

    rural people have to take more rest

Explanation

Rural populations, engaged more in strenuous physical/agricultural labour, generally require higher calorie intake than urban populations.

Q39Economic Geography (India)Agriculture & CroppingCropping Seasons, Patterns & Major Crops

The 'Golden Revolution' was a period of very high productivity in

  1. A.

    Organic farming

    Correct
  2. B.

    Horticulture

  3. C.

    Pisciculture

  4. D.

    Commercial crops

Explanation

The 'Golden Revolution' is conventionally associated with a boom in horticulture (fruits and honey) production, not organic farming.

Q40Schemes & Social JusticeEntrepreneurship & LivelihoodSelf-Help Group Schemes

The objective of Mahila Samridhi Yojana is

  1. A.

    Rural women to deposit in Post Office savings account

    Correct
  2. B.

    Self-employment for rural women

  3. C.

    Health facility for rural women

  4. D.

    Enhance nutrition levels for rural women and children

Explanation

The Mahila Samridhi Yojana aimed to encourage rural women to save through Post Office savings accounts, with an incentive matching grant.

Q41Applied Science & TechnologyInformation & Communication TechnologyMiscellaneous

The acronym 'modem' stands for

  1. A.

    Modulation of electromagnetic waves

  2. B.

    Modern method of transmission

  3. C.

    Modulation and demodulation

    Correct
  4. D.

    Modes of transmission

Explanation

'Modem' is an acronym for Modulator-Demodulator, a device that converts digital signals to analog (and back) for transmission.

Q42PhysicsOptics & SoundReflection, Refraction & Lenses

Optical fibers transmit light signals from one place to another place by

  1. A.

    Internal conical refraction

  2. B.

    Double refraction

  3. C.

    Interference of light signals

  4. D.

    Total internal reflection

    Correct

Explanation

Optical fibres transmit light signals along their length via repeated total internal reflection at the core-cladding boundary.

Q43PhysicsHeat & ThermodynamicsMiscellaneous

A body temperature of 98° Fahrenheit expressed in degree Celsius is

  1. A.

    36.6°C

    Correct
  2. B.

    35.5°C

  3. C.

    3.5°C

  4. D.

    40°C

Explanation

98 degrees Fahrenheit converts to approximately 36.7 degrees Celsius using C = (F-32)*5/9.

Q44EnvironmentPollutionSolid Waste Management

Polyethylene (plastic) carry bags can be recycled if the thickness of the bag is

  1. A.

    greater than 40 microns

    Correct
  2. B.

    greater than 30 microns

  3. C.

    less than 40 microns

  4. D.

    less than 30 microns

Explanation

Under Indian plastic waste rules, carry bags with thickness greater than a specified micron limit (progressively raised, e.g. to 50 microns) are considered recyclable/compliant.

Q45PhysicsElectromagnetic Waves & SpectrumApplications of EM Waves (Radar, Microwave, X-Ray)

Which one of the following radiations is used for identification of fake currency notes?

  1. A.

    Infrared radiation

  2. B.

    Gamma radiation

  3. C.

    Ultraviolet radiation

    Correct
  4. D.

    X-ray radiation

Explanation

Ultraviolet radiation is used in currency-checking lamps to reveal fluorescent security features that authenticate genuine currency notes.

Q46PhysicsOptics & SoundSound Waves, Echo & Navigation (SONAR, Bat Echolocation)

The device used for locating submerged objects under sea is

  1. A.

    Sonar

    Correct
  2. B.

    Laser

  3. C.

    Radar

  4. D.

    Lidar

Explanation

Sonar (Sound Navigation and Ranging) uses sound waves to detect and locate submerged objects underwater.

Q47Geography of IndiaSoils & Natural VegetationSoil Types and Conservation

The acid found in soil is

  1. A.

    Acetic acid

  2. B.

    Formic acid

  3. C.

    Humic acid

    Correct
  4. D.

    Carbonic acid

Explanation

Humic acid, derived from decomposed organic matter, is the principal acid found in soil.

Q48Physical Geography (World)BiogeographySoils, Vegetation & Forestry

Which one among the following covers the highest percentage of forest area in the world?

  1. A.

    Temperate coniferous forests

    Correct
  2. B.

    Temperate deciduous forests

  3. C.

    Tropical monsoon forests

  4. D.

    Tropical rainforests

Explanation

Boreal/taiga (often broadly grouped with temperate coniferous) forests cover a very large share of global forest area, spanning much of North America, Europe and Russia.

Q49PhysicsEnergy Resources & TechnologyConventional Energy Sources (Coal, Oil, Gas)

Compressed Natural Gas is

  1. A.

    Propane

  2. B.

    Methane

    Correct
  3. C.

    Ethane

  4. D.

    Butane

Explanation

Compressed Natural Gas (CNG) is predominantly composed of methane.

Q50Physical Geography (World)Geomorphology & LandformsMiscellaneous

Which one of the following elements contributes maximum to the Earth's crust by weight?

  1. A.

    Iron

  2. B.

    Silicon

  3. C.

    Oxygen

    Correct
  4. D.

    Carbon

Explanation

Oxygen is the most abundant element in Earth's crust by weight (about 46%).

Q51EnvironmentBiodiversityMiscellaneous

An example for ex-situ conservation is

  1. A.

    National Park

  2. B.

    Wildlife Sanctuary

  3. C.

    Botanical Garden

    Correct
  4. D.

    Grassland

Explanation

A botanical garden, which conserves plant species outside their natural habitat, is a classic example of ex-situ conservation.

Q52Physical Geography (World)Climatology & AtmosphereAtmospheric Structure, Pressure & Winds

Match List I with List II and select the code for the correct answer from the options given below:

List IList II
A. PsychrometerI. Atmospheric Humidity
B. PyranometerII. Solar Irradiance
C. AnemometerIII. Wind Speed
D. BarometerIV. Atmospheric Pressure

Codes:

  1. A.

    I II III IV

    Correct
  2. B.

    IV III I II

  3. C.

    III I II IV

  4. D.

    II I IV III

Explanation

Psychrometers measure atmospheric humidity, pyranometers measure solar irradiance, anemometers measure wind speed, and barometers measure atmospheric pressure — a direct A-I, B-II, C-III, D-IV match.

Q53PhysicsApplied & Everyday PhysicsTransport-related Physics

A train is called as bullet train if its speed lies between

  1. A.

    100 - 150 km/hr

  2. B.

    150 - 200 km/hr

  3. C.

    250 - 350 km/hr

    Correct
  4. D.

    350 - 450 km/hr

Explanation

Trains are generally classified as 'bullet trains' when their operating speed falls in the range of roughly 250-350 km/hr.

Q54BiologyHuman Physiology & SystemsMiscellaneous

A region that selectively accumulates iodine in the body is

  1. A.

    Thymus

  2. B.

    Thyroid

    Correct
  3. C.

    Spleen

  4. D.

    Parathyroid

Explanation

The thyroid gland selectively takes up and accumulates iodine from the bloodstream to synthesise thyroid hormones.

Q55BiologyBlood, Immunity & VaccinesBlood Composition & Blood Groups

The universal recipient blood group is

  1. A.

    A

  2. B.

    O

  3. C.

    B

  4. D.

    AB

    Correct

Explanation

Blood group AB is the universal recipient, as it carries no anti-A or anti-B antibodies in the plasma.

Q56BiologyBlood, Immunity & VaccinesBlood Composition & Blood Groups

The poisonous nature of carbon monoxide is due to

  1. A.

    cutting off supply of carbon dioxide

  2. B.

    its being converted into carbon dioxide

  3. C.

    its combination with haemoglobin of blood

    Correct
  4. D.

    its blocking of vocal chords

Explanation

Carbon monoxide is toxic because it binds haemoglobin far more strongly than oxygen does, blocking oxygen transport in the blood.

Q57ChemistryWater ChemistryWater Filtration Technology

Alum purifies muddy water by

  1. A.

    coagulation

    Correct
  2. B.

    dialysis

  3. C.

    absorption

  4. D.

    forming a true solution

Explanation

Alum purifies muddy water through coagulation — it neutralises charges on suspended particles, causing them to clump together and settle out.

Q58EnvironmentClimate Change & MitigationClimate Change, Global Warming & Mitigation Measures

Which one of the following is not a greenhouse gas?

  1. A.

    CO2

    Correct
  2. B.

    CH4

  3. C.

    Ethane

  4. D.

    N2O

Explanation

Per the source's answer key, CO2 is listed as not being a greenhouse gas.

Q59BiologyGenetics & BiotechnologyBasics of Genetics & DNA

When released from ovary, human egg contains

  1. A.

    One Y chromosome

  2. B.

    One X chromosome

    Correct
  3. C.

    Two X chromosomes

  4. D.

    XY chromosomes

Explanation

A human egg (ovum) always carries one X chromosome, while sperm can carry either an X or a Y chromosome, determining the offspring's sex.

Q60Physical Geography (World)Geomorphology & LandformsMiscellaneous

Fossils of animals, plants and other micro-organisms are found in

  1. A.

    Plutonic rocks

  2. B.

    Sedimentary rocks

    Correct
  3. C.

    Metamorphic rocks

  4. D.

    Igneous rocks

Explanation

Fossils of ancient plants, animals and microorganisms are typically preserved and found within sedimentary rocks.

Q61BiologyMicroorganismsBacteria, Viruses & Fungi – Structure & Classification

A free living bacterium capable of fixing nitrogen is

  1. A.

    Clostridium

    Correct
  2. B.

    Pseudomonas

  3. C.

    Bacillus

  4. D.

    Staphylococcus

Explanation

Clostridium is a free-living (non-symbiotic) bacterium capable of fixing atmospheric nitrogen in the soil.

Q62BiologyMicroorganismsBeneficial Microbes (Probiotics, Fermentation)

Commercial source of citric acid from sugar involves fermentation by

  1. A.

    Citrus fruit

  2. B.

    Bacteria

  3. C.

    Penicillium

  4. D.

    Aspergillus

    Correct

Explanation

Commercial citric acid is produced via fermentation of sugars by the fungus Aspergillus niger.

Q63EconomyNational Income & MeasuresPrice Indices (CPI, WPI, PPI, GDP Deflator)

Which item has the highest weight in Consumer Price Index?

  1. A.

    Rent

  2. B.

    Food

    Correct
  3. C.

    Fuel

  4. D.

    Clothing

Explanation

Food and beverages carry the largest weight in India's Consumer Price Index basket.

Q64EconomyNational Income & MeasuresMiscellaneous

Sarvekshana, a quarterly journal, is published by

  1. A.

    National Sample Survey

    Correct
  2. B.

    Central Statistical Office

  3. C.

    Registrar General of India

  4. D.

    Labour Bureau

Explanation

'Sarvekshana', a quarterly journal on survey results and methodology, is published by the National Sample Survey Office.

Q65Applied Science & TechnologyNobel PrizeNobel Prize Laureates & Categories

The Nobel Prize in Physics 2018 was awarded for groundbreaking inventions in the field of

  1. A.

    Nuclear Physics

  2. B.

    Astro Physics

  3. C.

    Magnetism

  4. D.

    Laser Physics

    Correct

Explanation

The 2018 Nobel Prize in Physics was awarded for groundbreaking inventions in the field of laser physics (optical tweezers and chirped pulse amplification).

Q66Current AffairsPerson in NewsSports Personalities

In FIFA World Cup 2018, 'Golden Ball' was awarded to

  1. A.

    Luka Modrić

    Correct
  2. B.

    Harry Kane

  3. C.

    Thibaut Courtois

  4. D.

    Eden Hazard

Explanation

Luka Modric of Croatia won the Golden Ball as the best player of the 2018 FIFA World Cup.

Q67Current AffairsPerson in NewsSports Personalities

The highest number of Women World Boxing Championships have been won by an athlete of

  1. A.

    Russia

  2. B.

    South Africa

  3. C.

    India

    Correct
  4. D.

    Brazil

Explanation

M.C. Mary Kom of India has won the highest number of Women's World Boxing Championship titles of any boxer.

Q68Indian CultureLanguages & LiteratureModern Indian Literature

Jnanpith for 2018 was awarded to

  1. A.

    S. Ramakrishnan

  2. B.

    Chandra Shekar Kambar

  3. C.

    Shankar Ghosh

  4. D.

    Amitav Ghosh

    Correct

Explanation

Amitav Ghosh was awarded the Jnanpith Award for 2018.

Q69Applied Science & TechnologySpace TechnologyIndian Space Programme

Recently launched GSAT-29 is used for the purpose of

  1. A.

    Communication

    Correct
  2. B.

    Weather Forecasting

  3. C.

    Indian Air Force

  4. D.

    Monitoring changes in the Indian Ocean

Explanation

GSAT-29 is an Indian communication satellite launched by ISRO.

Q70Applied Science & TechnologyEmerging TechnologyMiscellaneous

SpiNNaker is the world's largest

  1. A.

    Commercial rocket

  2. B.

    Aircraft carrier

  3. C.

    Brain-mimicking supercomputer

    Correct
  4. D.

    Driver-less race car running on hydrogen

Explanation

SpiNNaker (Spiking Neural Network Architecture), built at the University of Manchester, is described as the world's largest brain-mimicking (neuromorphic) supercomputer.

Q71Current AffairsPerson in NewsCultural, Literary & Social Figures

Padma Shri Mushirul Hasan who passed away in December 2018 was known for his contribution in the field of

  1. A.

    History

    Correct
  2. B.

    Economics

  3. C.

    Medical service

  4. D.

    Music

Explanation

Padma Shri historian Mushirul Hasan, who passed away in December 2018, was known for his work in the field of history.

Q72Current AffairsPerson in NewsPolitical & Administrative Personalities

Who is the current Governor of RBI?

  1. A.

    Urjit Patel

  2. B.

    Shaktikanta Das

    Correct
  3. C.

    Krishnamurthy Subramanian

  4. D.

    Sunil Arora

Explanation

Shaktikanta Das was serving as the Governor of the Reserve Bank of India.

Q73Awards & HonoursLiterature & Culture AwardsOther Cultural Awards

Which film has won in the highest number of categories in 91st Academy Awards?

  1. A.

    Green Book

  2. B.

    Roma

  3. C.

    Bohemian Rhapsody

    Correct
  4. D.

    Black Panther

Explanation

'Bohemian Rhapsody' won in the highest number of categories among films at the 91st Academy Awards.

Q74EconomyNational Income & MeasuresMiscellaneous

India's rank in HDI rankings of 2018 is

  1. A.

    130

    Correct
  2. B.

    136

  3. C.

    127

  4. D.

    143

Explanation

India was ranked 130th in the UNDP's Human Development Index (HDI) rankings for 2018.

Q75EconomyFiscal Policy & TaxationGST

Which of the following are excluded from GST?

  1. A.

    Petroleum and Biogas

  2. B.

    Medicinal grade and Common salt

  3. C.

    Petroleum and Alcohol

    Correct
  4. D.

    Petroleum and Milk food for babies

Explanation

Petroleum products and alcohol for human consumption are currently kept outside the ambit of GST.

Q76BiologyHuman Physiology & SystemsMiscellaneous

Which of the following is not derived from Cholesterol?

  1. A.

    Steroid hormones

  2. B.

    Bile salts

  3. C.

    Aldosterone

  4. D.

    Glucagon

    Correct

Explanation

Steroid hormones (like cortisol, testosterone, oestrogen) and Vitamin D are derived from cholesterol; glucagon, a peptide hormone, is not.

Q77EnvironmentConservation & Protected AreasBiosphere Reserves

In India, the first biosphere reserve was established in

  1. A.

    Nanda Devi

  2. B.

    Corbett National Park

  3. C.

    Nilgiri

    Correct
  4. D.

    Manas

Explanation

The Nilgiri Biosphere Reserve was the first biosphere reserve established in India (1986).

Q78Physical Geography (World)Geomorphology & LandformsMiscellaneous

Which of the following rocks is the best example for metamorphic rock?

  1. A.

    Schist

    Correct
  2. B.

    Basalt

  3. C.

    Quartz

  4. D.

    Mica

Explanation

Schist, formed from the metamorphism of shale/mudstone, is a classic example of a metamorphic rock.

Q79Physical Geography (World)Climatology & AtmosphereAtmospheric Structure, Pressure & Winds

Normal lapse rate in the atmosphere is

  1. A.

    6.5°C per 1000 m

    Correct
  2. B.

    6.5°C per 100 m

  3. C.

    6.5 K per 1000 m

  4. D.

    6.5 K per 100 m

Explanation

The normal (environmental) lapse rate, the average rate at which temperature falls with altitude in the troposphere, is about 6.5 degrees Celsius per 1,000 metres.

Q80Physical Geography (World)Climatology & AtmosphereAtmospheric Structure, Pressure & Winds

Doldrums is a zone of

  1. A.

    Intertropical convergence

    Correct
  2. B.

    Intertropical divergence

  3. C.

    Local winds

  4. D.

    Frontolysis

Explanation

The Doldrums correspond to the Intertropical Convergence Zone (ITCZ), a belt of calm winds and low pressure near the equator.

Q81Economic Geography (India)Mineral & Energy ResourcesConventional & Renewable Energy Resources

Which of the following coal-fields is the largest coal producer in India?

  1. A.

    Talcher

  2. B.

    Raniganj

  3. C.

    Bokaro

  4. D.

    Jharia

    Correct

Explanation

The Jharia coalfield in Jharkhand is India's largest coal-producing coalfield.

Q82Physical Geography (World)Geomorphology & LandformsMiscellaneous

A valley formed by the sinking of ground between two almost parallel faults is called

  1. A.

    Rift valley

    Correct
  2. B.

    Escarpment

  3. C.

    Horst

  4. D.

    Block mountain

Explanation

A rift valley is formed when a block of land sinks/subsides between two roughly parallel faults.

Q83Physical Geography (World)Climatology & AtmosphereAtmospheric Structure, Pressure & Winds

The lowest layer of the atmosphere is

  1. A.

    Ionosphere

  2. B.

    Mesosphere

  3. C.

    Stratosphere

  4. D.

    Troposphere

    Correct

Explanation

The Troposphere is the lowest layer of Earth's atmosphere, where most weather phenomena occur.

Q84Geography of IndiaPhysiography, Climate & DrainageMiscellaneous

The topographical maps are prepared by the

  1. A.

    Census of India

  2. B.

    Survey of India

    Correct
  3. C.

    Geological Survey of India

  4. D.

    Forest Research Institute

Explanation

Topographical maps of India are prepared and published by the Survey of India.

Q85EconomyNational Income & MeasuresNational Income Calculation

The first scientific attempt to measure the national income of India was made by

  1. A.

    V.K.R.V. Rao

    Correct
  2. B.

    Abdul Aziz

  3. C.

    M. Govinda Rao

  4. D.

    Hanumantha Rao

Explanation

V.K.R.V. Rao made the first scientific attempt to estimate India's national income in the 1930s.

Q86EconomyFiscal Policy & TaxationGovernment Expenditure

In India, which one among the following formulates the fiscal policy?

  1. A.

    Planning Commission

  2. B.

    Finance Commission

  3. C.

    Ministry of Finance

    Correct
  4. D.

    RBI

Explanation

Fiscal policy in India is formulated by the Ministry of Finance.

Q87EconomyFinancial MarketsMiscellaneous

Vijay Kelkar Committee in India is related to

  1. A.

    Tax Reforms

  2. B.

    Financial Sector

    Correct
  3. C.

    Panchayati Raj

  4. D.

    Public Sector Enterprises

Explanation

The Vijay Kelkar Committee's recommendations relate to reforms of India's financial sector/fiscal roadmap.

Q88Indian PolityLocal GovernmentPanchayati Raj (73rd Amendment)

Decentralized planning on the basis of Panchayati Raj Institutions was recommended by

  1. A.

    Balwant Rai Mehta Committee

    Correct
  2. B.

    Mahalanobis Committee

  3. C.

    Ashok Mehta Committee

  4. D.

    Gadgil Committee

Explanation

The Balwant Rai Mehta Committee (1957) recommended decentralized democratic planning through a three-tier Panchayati Raj system.

Q89EconomyPoverty & UnemploymentTypes of Unemployment

When a very large number of people are employed but their actual contribution is either marginal or negative, it is

  1. A.

    Seasonal unemployment

  2. B.

    Cyclical unemployment

  3. C.

    Technological unemployment

  4. D.

    Disguised unemployment

    Correct

Explanation

Disguised unemployment occurs when a large workforce is engaged but their marginal productivity/contribution is negligible or even negative.

Q90EconomyNational Income & MeasuresMiscellaneous

The education is measured in the present Human Development Index (HDI), by

  1. A.

    1/3 rd of primary school enrolment and 2/3 rd of adult literacy

  2. B.

    2/3 rd of primary school enrolment and 1/3 rd of adult literacy

  3. C.

    Mean years of schooling for adults aged 25 years and expected years of schooling for children of school entering age

    Correct
  4. D.

    Mean years of schooling and primary, secondary school enrolment

Explanation

In the current HDI methodology, education is measured using mean years of schooling (for adults 25+) and expected years of schooling (for children of school-entering age).

Q91Physical Geography (World)Geomorphology & LandformsMiscellaneous

The Tropic of Cancer does not pass through

  1. A.

    Thailand

    Correct
  2. B.

    Vietnam

  3. C.

    Myanmar

  4. D.

    Mexico

Explanation

The Tropic of Cancer passes through countries like China, Taiwan, Mexico, Egypt and India (among others), but not through Thailand.

Q92Geography of IndiaPopulation & Human GeographyPopulation Distribution, Density & Growth

Among the following, which State is the most urbanized?

  1. A.

    Haryana

  2. B.

    Madhya Pradesh

  3. C.

    Uttar Pradesh

  4. D.

    Punjab

    Correct

Explanation

Per the source's answer key, Punjab is cited as the most urbanized state among the given options.

Q93Geography of IndiaPopulation & Human GeographyMiscellaneous

Which is the community not seen in "Nilgiri Hills"?

  1. A.

    Toda

  2. B.

    Badaga

  3. C.

    Kota

  4. D.

    Eruliga

    Correct

Explanation

Communities such as Toda, Kota, Badaga and Kurumba are associated with the Nilgiri Hills; Eruliga/Iruliga is more typically associated with other parts of Karnataka rather than the Nilgiris specifically.

Q94Indian PolityLegislatureParliament: Composition, Powers & Procedure

The gap between two sessions of Parliament should not exceed

  1. A.

    eight months

  2. B.

    six months

    Correct
  3. C.

    four months

  4. D.

    three months

Explanation

Under constitutional convention/Article 85, the gap between two sessions of Parliament cannot exceed six months.

Q95Indian PolityConstitutional & Statutory BodiesNon-Constitutional & Statutory Bodies (NITI Aayog, NHRC, CVC, Lokpal)

Match the following and select the code for the correct answer from the options given below:

List IList II
A. Committee on Offices of ProfitI. Wing of Ministry of Home Affairs
B. NITI AayogII. Joint Committee of Parliament
C. Estimates CommitteeIII. Premier Think Tank
D. Census of IndiaIV. Committee of Lok Sabha
  1. A.

    IV III I II

  2. B.

    II III I IV

  3. C.

    II III IV I

    Correct
  4. D.

    III I IV II

Explanation

The Committee on Offices of Profit is a Joint Committee of Parliament, NITI Aayog is the government's premier policy think tank, the Estimates Committee is a Committee of the Lok Sabha, and the Census of India is conducted by a wing/office under the Ministry of Home Affairs (A-II, B-III, C-IV, D-I).

Q96Indian PolityFundamental Rights, DPSP & DutiesDirective Principles of State Policy & Fundamental Duties

We have borrowed the Directive Principles of State policy from the Constitution of

  1. A.

    England

  2. B.

    Japan

  3. C.

    France

  4. D.

    Ireland

    Correct

Explanation

The Directive Principles of State Policy in the Indian Constitution were borrowed from the Constitution of Ireland.

Q97Indian PolityFundamental Rights, DPSP & DutiesFundamental Rights and Landmark Caselaws

Untouchability in any form has been declared as unconstitutional under

  1. A.

    Article 17

    Correct
  2. B.

    Article 14

  3. C.

    Article 29

  4. D.

    Article 32

Explanation

Article 17 of the Constitution abolishes untouchability in any form, making its practice a punishable offence.

Q98Indian PolityFundamental Rights, DPSP & DutiesMiscellaneous

Which law protects children from sexual harassment?

  1. A.

    FERA

  2. B.

    ESMA

  3. C.

    POCSO

    Correct
  4. D.

    TADA

Explanation

The POCSO (Protection of Children from Sexual Offences) Act protects children from sexual abuse and harassment.

Q99Indian PolityLegislatureParliament: Composition, Powers & Procedure

Whom does the Rajya Sabha represent?

  1. A.

    People of India

  2. B.

    Women of India

  3. C.

    States of India

    Correct
  4. D.

    None of the above

Explanation

The Rajya Sabha (Council of States) represents the States and Union Territories of India.

Q100Indian PolityCentre-State Relations & FederalismUnion-State Legislative, Administrative & Financial Relations

Financial Emergency can be declared under

  1. A.

    Article 29

  2. B.

    Article 360

    Correct
  3. C.

    Article 352

  4. D.

    Article 356

Explanation

Article 360 of the Constitution provides for the proclamation of a Financial Emergency.

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