- On whose recommendation was the RBI set up
- The Rangarajan Commission
- The Hilton Young Commission
- The Narasimham committee
- The Urjit Patel committee
Show answer
Answer: (B) The Hilton Young Commission
The Hilton Young Commission recommended it in 1926; the Act came in 1934 and the founding on 1 April 1935.
Read the full chapter in mind-map notes → - What price is announced for sugarcane
- MSP
- FRP
- CIP
- both MSP and FRP
Show answer
Answer: (B) FRP
Sugarcane gets the Fair and Remunerative Price (FRP), which is procured through sugar mills.
Read the full chapter in mind-map notes → - Which of these ions is the smallest?
- O²⁻
- F⁻
- Na⁺
- Al³⁺
Show answer
Answer: (D) Al³⁺
All four are isoelectronic (10 e⁻); Al³⁺ has the most protons (13), so it is the smallest.
Read the full chapter in mind-map notes → - Which "colour" branch of biotechnology is linked to agriculture?
- red
- white
- green
- blue
Show answer
Answer: (C) green
Green biotechnology is the branch connected with applying biotechnology to agricultural processes.
Read the full chapter in mind-map notes → - Which is the largest UT by area?
- Jammu & Kashmir
- Ladakh
- Andaman & Nicobar
- Delhi
Show answer
Answer: (B) Ladakh
Ladakh is by far the largest.
Read the full chapter in mind-map notes → - The Union of India includes — 1. States 2. Union Territories 3. Acquired territories
- 1 only
- 1 and 3
- 2 and 3
- 1, 2 and 3
Show answer
Answer: (A) 1 only
UTs and acquired areas are in the territory, not the Union.
Read the full chapter in mind-map notes → - Indians protested against the Simon Commission mainly because — (IAS 2013)
- They never wanted the 1919 Act reviewed
- It proposed ending dyarchy in the provinces
- It had no Indian member
- It suggested partitioning the country
Show answer
Answer: (C) It had no Indian member
All seven members were British MPs.
Read the full chapter in mind-map notes → - What are the targets of India's NDC 2035 (2026)?
- Intensity down 45%, 50% non-fossil capacity
- Intensity down 47%, ~60% non-fossil capacity
- Total emissions to fall from 2030
- Net zero by 2050
Show answer
Answer: (B) Intensity down 47%, ~60% non-fossil capacity
45% / 50% were the 2030 targets (2022); net zero is 2070.
Read the full chapter in mind-map notes → - Which event proves that light is a transverse wave?
- interference
- diffraction
- polarisation
- reflection
Show answer
Answer: (C) polarisation
Polarisation happens only in transverse waves; interference and diffraction also happen in longitudinal waves (sound).
Read the full chapter in mind-map notes → - Ratification by half the States is needed to amend: (1) election of the President (2) States’ representation in Parliament (3) the Seventh Schedule lists (4) abolition of a State’s Legislative Council
- 1, 2 and 3
- 1, 2 and 4
- 1, 3 and 4
- 2, 3 and 4
Show answer
Answer: (A) 1, 2 and 3
A Legislative Council is created or abolished under Art 169 by a simple-majority law.
Read the full chapter in mind-map notes →
- Where is the Bhabha Atomic Research Centre (BARC)?
- Kalpakkam
- Trombay, Mumbai
- Tarapur
- Indore
Show answer
Answer: (B) Trombay, Mumbai
Set up in 1954 as the Atomic Energy Establishment, Trombay; named BARC in 1967.
Read the full chapter in mind-map notes → - Compared with a closed pipe of the same length, the fundamental of an open pipe is —
- half
- equal
- double
- four times
Show answer
Answer: (C) double
Open pipe f = v/2L and closed pipe f = v/4L, so the open pipe’s fundamental is double.
Read the full chapter in mind-map notes → - Which is correct? (IAS 2020) 1. The Constitution defines its basic structure in terms of federalism, secularism, FRs and democracy 2. The Constitution provides for judicial review to safeguard liberties
- 1 only
- 2 only
- Both
- Neither
Show answer
Answer: (B) 2 only
The basic structure is not defined anywhere in the text.
Read the full chapter in mind-map notes → - What was the services sector’s average FDI share during FY2023-25
- 60.2%
- 70.2%
- 77.7%
- 80.2%
Show answer
Answer: (D) 80.2%
77.7% was the pre-pandemic average (FY2016-20); it has since risen to 80.2%.
Read the full chapter in mind-map notes → - Which are major sources of methane? 1. Rice fields 2. Coal mining 3. Domestic animals 4. Wetlands (IAS 2008)
- 1 and 4
- 2 and 3
- 1, 2 and 3
- All four
Show answer
Answer: (D) All four
All four release methane through oxygen-free decay or leakage.
Read the full chapter in mind-map notes → - The audible range of a normal human is —
- 0–20 Hz
- 20–20,000 Hz
- above 20,000 Hz
- 200–2000 Hz
Show answer
Answer: (B) 20–20,000 Hz
Below 20 Hz is infrasonic and above 20 kHz is ultrasonic.
Read the full chapter in mind-map notes → - Which department did Muhammad-bin-Tughlaq create?
- Diwan-i-Riyasat
- Diwan-i-Amir-i-Kohi
- Diwan-i-Khairat
- Diwan-i-Waqf
Show answer
Answer: (B) Diwan-i-Amir-i-Kohi
The department of agriculture; he also gave sondhar loans to peasants.
Read the full chapter in mind-map notes → - Choose the correct statements — 1. IWAI develops, maintains and regulates national waterways. 2. IWAI was set up on 27 October 1986.
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- The “Statue of Equality” is a statue of whom?
- Sardar Patel
- Ramanujacharya
- Basaveshwara
- Dr Ambedkar
Show answer
Answer: (B) Ramanujacharya
At Muchintal near Hyderabad, 216 ft, 2022. Ambedkar’s statue at Vijayawada is the “Statue of Social Justice”.
Read the full chapter in mind-map notes → - How much insurance cover does a family get under Ayushman Bharat's PM-JAY every year
- ₹1 lakh
- ₹2 lakh
- ₹5 lakh
- ₹10 lakh
Show answer
Answer: (C) ₹5 lakh
PM-JAY gives every eligible family ₹5 lakh of cashless cover a year, with no limit on family size or age.
Read the full chapter in mind-map notes →
- Who called Samudragupta the "Napoleon of India"?
- R.C. Majumdar
- V.A. Smith
- R.S. Sharma
- A.L. Basham
Show answer
Answer: (B) V.A. Smith
Because of his sweeping campaigns.
Read the full chapter in mind-map notes → - Which statement(s) about Maharashtra is/are correct? 1. Its first clear mention comes from Mauryan times. 2. It was formed on 1 May 1960 by separating from Madhya Pradesh. 3. The Satpura range lies in its western part.
- 1 only
- 1 and 2
- 2 only
- All three
Show answer
Answer: (A) 1 only
Maharashtra came from the division of Bombay State (not MP); the Sahyadri is in the west, the Satpura in the north.
Read the full chapter in mind-map notes → - A: Muhammad-bin-Tughlaq left Delhi and lived for two years in a camp called Swargadwari. R: Delhi was then hit by a plague-like epidemic and many died. (IAS 2002)
- Both true, R explains A
- Both true, R does not explain A
- A true, R false
- A false, R true
Show answer
Answer: (A) Both true, R explains A
The official key is (a). Famine and disease emptied Delhi; the Sultan camped at Swargadwari on the Ganga near Kannauj.
Read the full chapter in mind-map notes → - Which gland is called the "master gland"?
- Thyroid
- Pituitary gland
- Pancreas
- Adrenal gland
Show answer
Answer: (B) Pituitary gland
The pituitary gland controls several other glands, which is exactly why it is called the "master gland".
Read the full chapter in mind-map notes → - Name the three economic railway corridors announced under the PM Gati Shakti framework in the interim budget of 2024-25. (RAS Mains, 2023, 2 marks)
- Energy, mineral and cement corridors; port connectivity corridors; high traffic density corridors
- The four corridors of the Golden Quadrilateral
- Industrial corridor, digital corridor, green corridor
- North-South, East-West and coastal corridors
Show answer
Answer: (A) Energy, mineral and cement corridors; port connectivity corridors; high traffic density corridors
These three corridors were announced under PM Gati Shakti to ease congestion on freight routes and cut logistics costs.
Read the full chapter in mind-map notes → - The "Great Artesian Basin" is in which country?
- United States
- Australia
- Russia
- Brazil
Show answer
Answer: (B) Australia
In the central lowlands of Australia.
Read the full chapter in mind-map notes → - Chand Bibi belonged to which kingdom?
- Bijapur
- Berar
- Golconda
- Ahmednagar
Show answer
Answer: (D) Ahmednagar
She defended Ahmednagar against Akbar’s army in 1595.
Read the full chapter in mind-map notes → - From which geological period is the story of human evolution traced?
- Tertiary period
- Ice age
- Primate
- Homo sapiens
Show answer
Answer: (A) Tertiary period
Primates and Homo sapiens are groups of living things, not periods.
Read the full chapter in mind-map notes → - What is a fault in a program named —
- Bug
- Debug
- Virus
- Noise
- Under the Poona Pact, seats reserved for the Depressed Classes were —
- increased
- decreased
- kept the same
- abolished
Show answer
Answer: (A) increased
71 under the Award → 148 under the Pact, but in a joint electorate.
Read the full chapter in mind-map notes →
- When did the CPSE ETF begin, and how many PSUs did it include
- 2010, with 14 PSUs
- 2014, with 11 PSUs
- 2004, with 6 PSUs
- 2021, with 5 PSUs
Show answer
Answer: (B) 2014, with 11 PSUs
The CPSE ETF was launched in 2014, and it held shares of 11 PSUs including ONGC, Coal India and NTPC.
Read the full chapter in mind-map notes → - A small message passed from one station to another in networks —
- Token
- Byte
- Word
- Ring
- The maximum kinetic energy of photoelectrons depends on —
- intensity
- frequency
- time of exposure
- size of the metal
Show answer
Answer: (B) frequency
Kmax = hν − φ — only on frequency (and the work function of the metal); intensity only raises the number of electrons.
Read the full chapter in mind-map notes → - Which statement on Lok Adalats is correct? (UPSC CSE)
- They can settle matters only at the pre-litigation stage, not pending cases
- They can deal only with civil, not criminal, matters
- Every Lok Adalat has only serving or retired judicial officers
- None of the above
Show answer
Answer: (D) None of the above
They take both pending and pre-litigation matters, compoundable criminal cases too, and include lawyers and social workers.
Read the full chapter in mind-map notes → - What is the size of India’s workforce
- 46.2 crore
- 56.2 crore
- 66.2 crore
- 36.2 crore
Show answer
Answer: (B) 56.2 crore
India’s total workforce today is 56.2 crore people.
Read the full chapter in mind-map notes → - Which Agni missile is an Intercontinental Ballistic Missile (ICBM)?
- Agni-II
- Agni-III
- Agni-V
- Agni-I
Show answer
Answer: (C) Agni-V
Agni-V is a solid-fuelled Intercontinental Ballistic Missile (ICBM) with a range of 5000-5500 km.
Read the full chapter in mind-map notes → - The value of γ = Cₚ/Cᵥ for a monatomic gas is —
- 1.4
- 1.33
- 1.67
- 1.29
Show answer
Answer: (C) 1.67
A monatomic gas has f = 3, so γ = 1 + 2/3 = 5/3 ≈ 1.67.
Read the full chapter in mind-map notes → - Which memory keeps its information even after the power is switched off?
- RAM
- ROM
- Cache
- Register
Show answer
Answer: (B) ROM
ROM is non-volatile; the other three empty out as soon as power goes.
Read the full chapter in mind-map notes → - Itai-itai disease is linked with?
- Mercury
- Cadmium
- Fluoride
- Nitrate
Show answer
Answer: (B) Cadmium
Cadmium makes bones brittle and painful — the Jinzu River in Japan.
Read the full chapter in mind-map notes → - Which statement about Shashanka is INCORRECT?
- He began as a feudatory (mahasamanta) in Magadha
- Buddhist tradition accuses him of felling the Bodhi tree
- His capital was Karnasuvarna
- He beat Harsha and Bhaskaravarman when they fought him together
Show answer
Answer: (D) He beat Harsha and Bhaskaravarman when they fought him together
No such victory is recorded.
Read the full chapter in mind-map notes →
- Which is true of the Chairman of a Legislative Council? 1. Elected by the Council 2. Appointed by the Governor 3. Removable by simple majority 4. Must be a member of the Council
- 1, 3 and 4
- 2, 3 and 4
- 1 and 4
- 2 and 4
Show answer
Answer: (C) 1 and 4
Removal needs a majority of all the then members, not a simple majority.
Read the full chapter in mind-map notes → - Which language is used for business applications?
- LOGO
- COBOL
- BASIC
- FORTRAN
Show answer
Answer: (B) COBOL
COBOL = Common Business Oriented Language.
Read the full chapter in mind-map notes → - Which component is largest in Portland cement?
- Silica
- Lime (CaO)
- Alumina
- Gypsum
Show answer
Answer: (B) Lime (CaO)
CaO ≈ 50–60%, SiO₂ ≈ 20–25%, Al₂O₃ ≈ 5–10%.
Read the full chapter in mind-map notes → - Which is the least important source for Mauryan history?
- Coins
- Literary works
- Inscriptions
- Foreign accounts
Show answer
Answer: (A) Coins
Mauryan punch-marked coins carry no royal names.
Read the full chapter in mind-map notes → - Which compound forms in the Mond process of refining nickel?
- NiO
- NiSO₄
- NiCl₂
- Ni(CO)₄
Show answer
Answer: (D) Ni(CO)₄
Ni + 4CO → Ni(CO)₄ (volatile, ≈ 330–350 K), which breaks at ≈ 450–470 K to give pure nickel.
Read the full chapter in mind-map notes → - The Namchik-Namphuk coalfield is in which state?
- Arunachal Pradesh
- Meghalaya
- Manipur
- Mizoram
Show answer
Answer: (A) Arunachal Pradesh
A Tertiary coalfield of the north-east (Changlang district). (UPSC 2008)
Read the full chapter in mind-map notes → - The booklet that tells how to use a software program —
- Programming
- User / documentation manual
- Technical
- Designer
Show answer
Answer: (B) User / documentation manual
It is the documentation or user manual.
Read the full chapter in mind-map notes → - Fiscal deficit in the Union budget means — (IAS, 1994)
- difference between current expenditure and current revenue
- net increase in the Union Government’s borrowings from the Reserve Bank of India
- the sum of the budgetary deficit and net increase in internal and external borrowing
- the sum of the monetised deficit and the budgetary deficit
Show answer
Answer: (C) the sum of the budgetary deficit and net increase in internal and external borrowing
Fiscal deficit = budgetary deficit + the net increase in internal and external borrowing; this is its older but still exact definition.
Read the full chapter in mind-map notes → - Causes of floods — 1. Excessive rain 2. Snowmelt 3. High tide
- 1 and 2
- 2 and 3
- 1 and 3
- All
Show answer
Answer: (D) All
All three can suddenly spread water over land.
Read the full chapter in mind-map notes → - Which desert has the highest population density? (UPPCS 2008)
- Sahara
- Thar
- Gobi
- Kalahari
- Because of the lanthanoid contraction, which two elements are nearly equal in size?
- Ti and Zr
- Fe and Co
- Zr and Hf
- Cu and Ag
Show answer
Answer: (C) Zr and Hf
The contraction of the 14 lanthanoids before Hf makes Hf as small as Zr (≈ 160 pm).
Read the full chapter in mind-map notes → - The Shulva Sutra, India's oldest work on geometry, is attached to the
- Grihya Sutra
- Dharma Sutra
- Shrauta Sutra
- Nirukta
Show answer
Answer: (C) Shrauta Sutra
It gives measurements for building fire-altars.
Read the full chapter in mind-map notes → - The correct small-to-large order of units —
- PB, KB, MB, GB, TB
- KB, MB, TB, PB, GB
- MB, TB, GB, KB, PB
- KB, MB, GB, TB, PB
Show answer
Answer: (D) KB, MB, GB, TB, PB
K → M → G → T → P.
Read the full chapter in mind-map notes → - Match the governors with events: A. Clive B. Vansittart C. Cartier D. Warren Hastings — 1. ended dual government 2. famine of 1770 3. Buxar 4. dual government set up
- A-4 B-2 C-3 D-1
- A-4 B-3 C-2 D-1
- A-1 B-3 C-2 D-4
- A-1 B-2 C-3 D-4
Show answer
Answer: (B) A-4 B-3 C-2 D-1
Clive–dual govt, Vansittart–Buxar, Cartier–famine, Hastings–ended it.
Read the full chapter in mind-map notes → - What is the chief characteristic of mixed farming?
- growing cash crops and food crops together
- raising more than one crop together within a single field
- rearing animals and growing crops together
- none of these
Show answer
Answer: (C) rearing animals and growing crops together
In mixed farming, the farmer rears animals alongside growing crops — both form part of the same farming system.
Read the full chapter in mind-map notes → - Which statement(s) is/are wrong? 1. Latitude is the angular distance east or west of the Equator. 2. Parallels get longer towards the poles. 3. Parallels of latitude are not parallel.
- 1 only
- 1 and 2
- 3 only
- All three
Show answer
Answer: (D) All three
Latitude is north–south distance, parallels shrink towards the poles and all of them are parallel — all three are wrong.
Read the full chapter in mind-map notes → - Which country's rocket launched India's first satellite, Aryabhata?
- the United States
- the Soviet Union
- France
- Japan
Show answer
Answer: (B) the Soviet Union
Aryabhata was launched on 19 April 1975 aboard a Soviet Cosmos-3M rocket.
Read the full chapter in mind-map notes → - In which state is the Modhera Sun Temple?
- Odisha
- Gujarat
- Rajasthan
- Jammu & Kashmir
Show answer
Answer: (B) Gujarat
In Mehsana (Gujarat), built by the Solanki king Bhima I (1026–27). Konark is in Odisha, Martand in Kashmir.
Read the full chapter in mind-map notes → - Between SRAM and DRAM, which is faster?
- Both equal
- Cannot be said
- SRAM
- DRAM
Show answer
Answer: (C) SRAM
SRAM needs no repeated refreshing.
Read the full chapter in mind-map notes → - How is an EPROM wiped clean?
- with an electric shock
- by holding it under ultraviolet (UV) light
- with a magnet
- it cannot be erased at all
Show answer
Answer: (B) by holding it under ultraviolet (UV) light
Wiping an EPROM (Erasable Programmable ROM) requires holding it under an intense source of ultraviolet (UV) light.
Read the full chapter in mind-map notes →
- Which pair is correctly matched?
- Fundamental Duties — 43rd Amendment
- Basic structure doctrine — Kesavananda Bharati case
- Unlimited power to amend rights — Minerva Mills case
- Ban on traffic in human beings — Article 24
Show answer
Answer: (B) Basic structure doctrine — Kesavananda Bharati case
Duties came by the 42nd Amendment, Minerva Mills limited the amending power, and trafficking is Art 23.
Read the full chapter in mind-map notes → - Comparative advantage is the guiding principle of which branch
- Development economics
- International economics
- Information economics
- Welfare economics
Show answer
Answer: (B) International economics
By this principle, whatever its level of development, every country can produce something more cheaply than others.
Read the full chapter in mind-map notes → - Which cells of the retina recognise colours?
- rods
- cones
- nerve cells
- yellow cells
Show answer
Answer: (B) cones
Cone cells recognise colours in bright light; rods work in dim light.
Read the full chapter in mind-map notes → - Bassein was taken from the Portuguese in 1739 by —
- Balaji Vishwanath
- Chimaji Appa
- Kanhoji Angre
- Sadashiv Rao Bhau
Show answer
Answer: (B) Chimaji Appa
Chimaji Appa was Baji Rao I’s brother.
Read the full chapter in mind-map notes → - A small program hidden inside a GIF image —
- Web bug
- Cookie
- Spyware application
- Spam
- Which one is taken as the fittest yardstick of economic growth
- Total GDP
- Per capita Net Domestic Product
- Total GNP
- Gross fixed capital formation
Show answer
Answer: (B) Per capita Net Domestic Product
Per capita NDP accounts for both population and depreciation, which is why it is held to be the most appropriate.
Read the full chapter in mind-map notes → - Product of the Hofmann bromamide reaction on acetamide?
- Ethylamine
- Methylamine
- Acetic acid
- Aniline
Show answer
Answer: (B) Methylamine
One carbon fewer: CH₃CONH₂ ⟶ CH₃NH₂.
Read the full chapter in mind-map notes → - Under Article 249 the Rajya Sabha can let Parliament legislate on a State List subject by a resolution passed by —
- a simple majority
- two-thirds of members present and voting
- a majority of total membership
- three-fourths of members
Show answer
Answer: (B) two-thirds of members present and voting
The resolution lasts up to a year and can be renewed.
Read the full chapter in mind-map notes → - What is called the brain of the computer?
- Keyboard
- Mouse
- CPU
- Printer
Show answer
Answer: (C) CPU
The CPU controls all devices and does the calculations.
Read the full chapter in mind-map notes → - India has a parliamentary system of government because (IAS 2015)
- the Lok Sabha is directly elected
- Parliament can amend the Constitution
- the Rajya Sabha cannot be dissolved
- ministers are collectively answerable to the Lok Sabha
Show answer
Answer: (D) ministers are collectively answerable to the Lok Sabha
Executive accountability to the House is the heart of the parliamentary form.
Read the full chapter in mind-map notes →
- Which bones belong to the axial skeleton?
- Arms and legs
- Skull, spine and ribs
- The shoulder girdle
- Fingers
Show answer
Answer: (B) Skull, spine and ribs
The skull, vertebral column, ribs and sternum belong to the axial skeleton, while arms and legs belong to the appendicular skeleton.
Read the full chapter in mind-map notes → - States that get grants in lieu of jute export duty (Art 273) are —
- Assam, Bihar, Odisha, West Bengal
- Assam, Tripura, Bihar, Jharkhand
- West Bengal, Bihar, Jharkhand, Odisha
- Assam, Meghalaya, Bihar, West Bengal
Show answer
Answer: (A) Assam, Bihar, Odisha, West Bengal
Charged on the Consolidated Fund of India while the duty lasts.
Read the full chapter in mind-map notes → - Who gave us the term 'fiscal federalism'
- Adam Smith
- Richard Musgrave
- J. M. Keynes
- Milton Friedman
Show answer
Answer: (B) Richard Musgrave
The term was given in 1959 by Richard Musgrave, an economist born in Germany who later became known as American.
Read the full chapter in mind-map notes → - What does DMA stand for?
- Direct Memory Access
- Dynamic Memory Access
- Direct Metho Access
- Double Memory Access
Show answer
Answer: (A) Direct Memory Access
In DMA the I/O device skips the CPU and uses memory directly.
Read the full chapter in mind-map notes → - What does an emergency under Article 356 do to Fundamental Rights?
- Suspends Articles 14 and 19
- Suspends Article 21
- Suspends Articles 15 and 16
- Has no effect
Show answer
Answer: (D) Has no effect
Only a national emergency affects rights.
Read the full chapter in mind-map notes → - Choose the correct statements — 1. A neap tide occurs when the Moon, Earth and Sun are in a line. 2. If a strong storm passes near the coast during a spring tide, destructive waves rise at high tide.
- 1 only
- 2 only
- Both 1 and 2
- Neither
Show answer
Answer: (B) 2 only
Alignment gives a spring tide, not a neap tide.
Read the full chapter in mind-map notes → - Which of the pairs is/are correctly matched? 1. Similipal — Sikkim 2. Dehang-Dibang — Odisha 3. Nokrek — Arunachal Pradesh 4. Khangchendzonga — Meghalaya
- 1 and 2
- 2 and 3
- 1, 2 and 3
- None
Show answer
Answer: (D) None
Correct: Similipal — Odisha, Dehang-Dibang — Arunachal, Nokrek — Meghalaya, Khangchendzonga — Sikkim.
Read the full chapter in mind-map notes → - What best describes a political party?
- People organised to improve their locality
- People sharing the same religious views
- People with common principles on public matters who seek power
- People attending an election meeting
Show answer
Answer: (C) People with common principles on public matters who seek power
A party is united by principles on public questions and aims to win power.
Read the full chapter in mind-map notes → - What does NT mean in Windows NT —
- New Terminology
- New Technique
- New Technology
- Normal Technique
Show answer
Answer: (C) New Technology
NT = New Technology.
Read the full chapter in mind-map notes → - At the time of appointment the Prime Minister — (IAS 2012)
- need not be an MP but must enter either House within six months
- need not be an MP but must enter the Lok Sabha within six months
- has to be an MP of either House already
- has to be a Lok Sabha member already
Show answer
Answer: (A) need not be an MP but must enter either House within six months
Art 75(5) — six months to enter either House.
Read the full chapter in mind-map notes →
- What was India’s wealth Gini coefficient roughly in 2017
- 0.27
- 0.39
- 0.58
- 0.83
Show answer
Answer: (D) 0.83
India’s wealth Gini coefficient was 0.83 in 2017, placing it among the most unequal countries.
Read the full chapter in mind-map notes → - Why is chloroform kept in dark bottles?
- To stop evaporation
- To stop freezing
- To save its colour
- To stop phosgene forming in light
Show answer
Answer: (D) To stop phosgene forming in light
2CHCl₃ + O₂ → 2COCl₂ + 2HCl (in light).
Read the full chapter in mind-map notes → - Who wrote the Tirukkural?
- Tolkappiyar
- Thiruvalluvar
- Nakkirar
- Sattanar
Show answer
Answer: (B) Thiruvalluvar
It is called the Bible (Veda) of the Tamil land.
Read the full chapter in mind-map notes → - At Aurangzeb’s death (1707), Maratha leadership was in the hands of — (UPPCS 2012)
- Sambhaji
- Rajaram
- Jijabai
- Tarabai
Show answer
Answer: (D) Tarabai
She was regent for her son Shivaji II.
Read the full chapter in mind-map notes → - Which of these taxes are ad valorem, that is, based on value — 1. Sales tax 2. VAT 3. Property tax
- Only 1 and 2
- Only 2 and 3
- Only 1 and 3
- All three
Show answer
Answer: (D) All three
None of the three cares about weight or quantity — each one is worked out from what the good or the property is worth, which makes all three ad valorem.
Read the full chapter in mind-map notes → - The Ninth Schedule was added to the Constitution by the (IAS 2012)
- 1st Amendment Act
- 2nd Amendment Act
- 4th Amendment Act
- None of these
Show answer
Answer: (A) 1st Amendment Act
The 1st Amendment (1951) added the Ninth Schedule with Articles 31A and 31B to protect land reform.
Read the full chapter in mind-map notes → - Which is not a property of fibre optic cabling?
- Faster than copper
- Easier to capture a signal than from copper
- Very resistant to interference
- Carries signals as light waves
Show answer
Answer: (B) Easier to capture a signal than from copper
It is hard to tap fibre.
Read the full chapter in mind-map notes → - On what occasion did Bombay pass from Portugal to England?
- Freedom of Portugal from Spain
- Marriage of Charles II with Catherine of Braganza
- Defeat of the Spanish Armada (1588)
- Treaty of Madrid (1630)
Show answer
Answer: (B) Marriage of Charles II with Catherine of Braganza
It was part of the dowry in 1661.
Read the full chapter in mind-map notes → - Once firmly in power, Balban took which grand title? (IAS 1997)
- Tuti-i-Hind
- Kaisar-i-Hind
- Zil-i-Ilahi
- Din-i-Ilahi
Show answer
Answer: (C) Zil-i-Ilahi
Zil-i-Ilahi — “shadow of God”. Tuti-i-Hind was Amir Khusrau’s epithet.
Read the full chapter in mind-map notes → - When an object is embedded in a document —
- It becomes a part of the document
- It remains outside but loads with the document
- Both become a zip file
- Both (1) and (2)
Show answer
Answer: (A) It becomes a part of the document
Embedded = a part.
Read the full chapter in mind-map notes →
- Who called Gandhi the "Father of the Nation" first, in a radio broadcast?
- Jawaharlal Nehru
- Subhas Chandra Bose
- Rabindranath Tagore
- Sarojini Naidu
Show answer
Answer: (B) Subhas Chandra Bose
On Azad Hind Radio in 1944; Gandhi called Bose the "Prince among Patriots".
Read the full chapter in mind-map notes → - Which of these does the UNCRC treat as rights of the child? 1. Development 2. Expression 3. Recreation
- 1 only
- 1 and 3
- 2 and 3
- 1, 2 and 3
Show answer
Answer: (D) 1, 2 and 3
The CRC covers survival, development, protection and participation — including expression and play.
Read the full chapter in mind-map notes → - India's oldest sedimentary rocks belong to which system?
- Cuddapah
- Vindhyan
- Dharwar
- Gondwana
Show answer
Answer: (C) Dharwar
The Dharwars formed from Archaean erosion and are the oldest sedimentary rocks.
Read the full chapter in mind-map notes → - A bill to amend which of these needs neither a special majority nor ratification by states?
- Formation of new states
- Election of the President
- Distribution of legislative powers
- Representation of states in Parliament
Show answer
Answer: (A) Formation of new states
Articles 3–4: an ordinary law.
Read the full chapter in mind-map notes → - Who linked the end of Harappan cities to an epidemic?
- M.R. Sahni
- Kenneth Kennedy
- Walter Fairservis
- Aurel Stein
Show answer
Answer: (B) Kenneth Kennedy
Sahni — floods; Fairservis — ecology; Stein — climate.
Read the full chapter in mind-map notes → - Where would you put a header or footer meant for handouts —
- Title master
- Slide master
- Handout master
- All of these
Show answer
Answer: (C) Handout master
The handout master.
Read the full chapter in mind-map notes → - What is the basic difference between Augmented Reality (AR) and Virtual Reality (VR)?
- they are the same thing
- AR adds things to the real world, VR builds an entirely new one
- VR is only for sound
- AR is only for gaming
Show answer
Answer: (B) AR adds things to the real world, VR builds an entirely new one
AR overlays computer-generated information onto a view of the real world, while VR fully immerses the user in an artificial environment.
Read the full chapter in mind-map notes → - What percentage of Foreign Direct Investment (FDI) is allowed in Indian companies publishing newspapers and periodicals dealing with news and current affairs — (IAS, 2005)
- 26%
- 49%
- 74%
- 100%
Show answer
Answer: (A) 26%
FDI in publications dealing with news and current affairs is capped at 26%.
Read the full chapter in mind-map notes → - Correct on cloudbursts — 1. 150 mm of rain per hour 2. Clouds rise up to 15 km 3. Up to 20 mm of rain falls in a few minutes
- 1 and 2
- 2 and 3
- 3 only
- All
Show answer
Answer: (B) 2 and 3
The standard is 100 mm per hour.
Read the full chapter in mind-map notes → - Which judgment declared privacy a Fundamental Right?
- Maneka Gandhi
- K.S. Puttaswamy
- Golaknath
- Vishaka
Show answer
Answer: (B) K.S. Puttaswamy
A nine-judge bench, unanimously, on 24 August 2017.
Read the full chapter in mind-map notes →
GK question sets
FAQs
Where can I find GK questions with answers?
This page lists GK questions and answers chapter by chapter — history, geography, polity, economy, science, computer and current affairs. Tap "Show answer" under any question for the answer and explanation.
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Yes, every question and answer is free. Full mind-map notes and short tricks for each chapter are available on the site.
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A fresh set is published daily — see "Today's 20 GK questions" above, or open the 10, 50 and 100 question sets.
Which exams are these questions useful for?
SSC, Railway (RRB NTPC), Banking, state PSC and all government exams that test general knowledge.