India GK One Liners for Competitive Exams 2026

India GK one line - Geography and Environment

Geographical Location and Extent

• What is the total geographical area of India? - 32,87,263 sq km
• What is India's rank in the world in terms of area? - Seventh place
• Between which latitudes is India's main landmass located? - 8°4' N to 37°6' N latitude
• What is the longitudinal extent of India? - 68°7' E to 97°25' E longitude
• Through how many states does the Tropic of Cancer (23°30' N) pass in India? - Through 8 states
• Which is the northernmost point of India? - Indira Col (Ladakh)
• Which is the southernmost point of India's main landmass? - Kanyakumari (Cape Comorin)
• Which is the southernmost point of India (Southernmost Point)? - Indira Point (Great Nicobar)
• In which state is India's westernmost point 'Ghuar Moti' located? - In Gujarat
• In which state is India's easternmost point 'Kibithu' located? - In Arunachal Pradesh
• What is the total length of India's land border? - 15,200 km
• What is the total length of India's coastline, including the main land and islands? - 7,516.6 km
• Near which city does India's Standard Meridian (82°30' E) pass? - Prayagraj (Naini/Mirzapur)
• How much ahead is Indian Standard Time (IST) from Greenwich Mean Time (GMT)? - 5 hours 30 minutes ahead
• Through how many states does the Indian Standard Meridian pass? - Through 5 states
• Which state in India has the longest coastline? - Gujarat
• Which state in South India has the longest coastline? - Andhra Pradesh
• Which is the largest state in India in terms of area? - Rajasthan
• Which is the smallest state in India in terms of area? - Goa
• Which Indian state is surrounded by Bangladesh on three sides? - Tripura

Mountain Ranges and Passes

• Which is the newest fold mountain range in India and the world? - Himalayan Mountain Range
• Which is the oldest mountain range in India? - Aravalli Mountain Range
• Which is the highest peak of the Aravalli mountain range? - Guru Shikhar (1,722 meters)
• Which is the highest peak of the Himalayas situated in India? - Kangchenjunga (Sikkim)
• Which is India's highest peak located in Pakistan-Occupied Kashmir (PoK)? - K-2 (Godwin-Austen)
• Which is the 'Ganga of South India' and the highest peak of Peninsular India? - Anamudi (2,695 meters)
• Which is the highest peak of the Nilgiri hills? - Doddabetta (2,637 meters)
• Which hills are the meeting point of the Western Ghats and the Eastern Ghats? - Nilgiri Hills
• Which famous pass connects Srinagar to Leh? - Zoji La Pass
• Which pass located in Himachal Pradesh connects Shimla to Tibet? - Shipki La Pass
• Which pass located in Arunachal Pradesh connects India to Lhasa (Tibet)? - Bomdila Pass
• Which pass located in Sikkim was part of the ancient Silk Route? - Nathu La Pass
• The 'Atal Tunnel' is built under which famous mountain pass? - Rohtang Pass (Himachal Pradesh)
• Which two states are connected by the Palghat Gap? - Kerala and Tamil Nadu
• In which mountain range are the Bhorghat and Thalghat passes located? - Western Ghats (Sahyadri)
• Which pass connects Nashik to Mumbai? - Thalghat Pass
• Which pass connects Mumbai to Pune? - Bhorghat Pass
• In which state are the Garo, Khasi, and Jaintia hills located? - Meghalaya
• Which is considered the highest peak of the Eastern Ghats? - Jindhagada / Arma Konda (Andhra Pradesh)
• In which part of India are the Cardamom hills located? - Far South (Kerala-Tamil Nadu border)

River Systems and Drainage

• Which is the longest river in India? - Ganga River (2,525 km)
• Where is the origin of the Ganga river located? - Gangotri Glacier (as Bhagirathi)
• After the confluence of which two rivers at Devprayag is it called 'Ganga'? - Bhagirathi and Alaknanda
• Which is the longest tributary of the Ganga? - Yamuna River
• Which river is known as 'Dakshin Ganga' or 'Vridh Ganga'? - Godavari River
• Which is the longest river in Peninsular India? - Godavari River
• Which major rivers of India flow westwards and fall into the Arabian Sea? - Narmada and Tapti (Tapi)
• Which river flows through a Rift Valley? - Narmada River
• Which river is known as the 'Sorrow of Bihar'? - Kosi River
• Which river was known as the 'Sorrow of Bengal'? - Damodar River
• By what name is the Brahmaputra river known in Tibet? - Tsangpo (Yarlung Tsangpo)
• By what name is the Brahmaputra river known in Arunachal Pradesh upon entering India? - Dihang
• Which two rivers form the Sundarbans Delta? - Ganga and Brahmaputra
• On which river is the world's largest river island 'Majuli' situated? - Brahmaputra River (Assam)
• Which river cuts the Equator or Tropic of Cancer twice? - Mahi River (Tropic of Cancer)
• On which river is Odisha's famous 'Hirakud Dam' built? - Mahanadi
• On which river is the 'Dhuandhar Waterfall' located near Jabalpur? - Narmada River
• The Cauvery river water dispute is between which states? - Tamil Nadu, Karnataka, Kerala, and Puducherry
• On which river is the famous 'Jog Waterfall' (Gersoppa) located? - Sharavathi River (Karnataka)
• The Indus Waters Treaty (1960) was signed between which two countries? - India and Pakistan

Lakes, Waterfalls and Coastal Features

• Which is the largest natural freshwater lake in India? - Wular Lake (Jammu and Kashmir)
• Which is the largest saltwater coastal lake (lagoon) in India? - Chilika Lake (Odisha)
• Which is considered the highest lake in India? - Cholamu Lake (Sikkim)
• Which is the largest freshwater lake in Northeast India which has a floating national park? - Loktak Lake (Manipur)
• Which is the longest lake in India, located in Kerala? - Vembanad Lake
• In which state is the 'Lonar Lake', formed by a meteor impact (crater), located? - Maharashtra
• In which state is the famous 'Sambhar Lake', a saltwater lake, located? - Rajasthan
• In which state are the 'Hussain Sagar' and 'Kolleru' lakes located? - Andhra Pradesh
• 'Pulicat Lake', the second-largest saltwater lake in India, is on the border of which two states? - Andhra Pradesh and Tamil Nadu
• On which river is the Shivanasamudra waterfall located? - Cauvery River (Karnataka)
• On which river is India's highest waterfall 'Kunchikal' located? - Varahi River (Karnataka)
• Which waterfall in India is called the 'Niagara Falls of India'? - Chitrakoot Waterfall (Indravati River, Chhattisgarh)
• By what name is the northern part of India's west coast known? - Konkan Coast
• What is the southern part of India's west coast called? - Malabar Coast
• By what name is the southern part of India's east coast known? - Coromandel Coast
• What is the northern part of India's east coast called? - Northern Circars Coast
• The Lakshadweep group is an example of which type of islands? - Coral Islands
• Which waterway separates the Andaman and Nicobar Islands? - 10° Channel
• Where is India's only active volcano 'Barren Island' located? - Andaman Sea (Andaman and Nicobar)
• Which strait and gulf are located between India and Sri Lanka? - Palk Strait and Gulf of Mannar

Climate and Monsoons

• India's climate is mainly classified as which type of climate? - Tropical Monsoon Climate
• From which monsoon branch does most of the rainfall occur in India? - South-West Monsoon
• On which state's coast does the South-West Monsoon first strike in India? - Malabar Coast of Kerala (in the first week of June)
• Which monsoon mainly causes rainfall on the Coromandel Coast of Tamil Nadu? - North-East Monsoon (Retreating Monsoon)
• What causes rainfall in the north-western plains of India during winter? - Western Disturbances
• In which state is 'Mawsynram', the place with the highest average annual rainfall in the world, located? - Meghalaya (Khasi Hills)
• What are the intense stormy winds blowing in Assam and West Bengal during summer called? - Kal Baisakhi
• What are the dry and hot winds blowing in the plains of North India during summer called? - Loo
• What are the pre-monsoon showers helpful in ripening mango crops in Karnataka and Kerala called? - Mango Showers
• Which is India's driest/lowest rainfall place? - Leh (Ladakh)
• 'El Niño' (El Niño) phenomenon on the Indian monsoon? - Decrease in rainfall and drought conditions
• What is the impact of 'La Niña' on the Indian monsoon? - More than normal rainfall
• Where in India is the highest difference (diurnal range) between day and night temperatures found? - Thar Desert (Rajasthan)
• From which language word did the word 'Monsoon' originate? - Arabic language (Mausim) से
• What is the main characteristic of monsoon rainfall in India? - Irregularity and uneven distribution
• According to Köppen's climate classification, most of the northern part of India falls under which category? - CWg (Monsoon type with dry winter)
• In which part of India does a high-pressure center form during the winter season? - North-Western India
• What is meant by 'Monsoon Burst'? - Onset of monsoon with sudden torrential rain
• 'Cherry Blossom' or 'Coffee Shower' pre-monsoon rain is related to which state? - Karnataka
• What is the average annual rainfall recorded in India? - Approximately 118 cm

Soils and Natural Vegetation

• Into how many main classes has the Indian Council of Agricultural Research (ICAR) divided soil in India? - Into 8 classes
• Which type of soil is found on the largest part of India's area? - Alluvial Soil (approximately 40%)
• By what name is new alluvial soil known? - Khadar
• By what name is old alluvial soil called? - Bangar
• Which soil is considered most suitable for cotton cultivation? - Black Soil (Regur Soil)
• By what name is black soil known at the international level? - Tropical Chernozem
• Which soil possesses the property of 'Self-Ploughing'? - Black Soil
• Which acidic soil is most suitable for tea and coffee cultivation? - Laterite Soil
• Which soil is most widely used for making bricks? - Laterite Soil
• The red color of red soil in India is due to the presence of what? - Presence of Ferric Oxide (Iron)
• According to the India State of Forest Report (ISFR 2021), what is the total forest and tree cover percentage in India? - 24.62%
• Which state in India has the highest forest area in terms of area? - Madhya Pradesh
• Which state in India has the highest forest cover in terms of percentage? - Mizoram (approximately 84.53%)
• Sundarbans in India is an example of which type of forests? - Mangrove or Tidal Forests
• Sandalwood trees are mainly found in which type of forests? - Tropical Deciduous (Dry/Moist) Forests
• Which type of forests are spread over the largest area in India? - Tropical Deciduous Forests
• Which state in India is at the top in mangrove cover? - West Bengal
• Which type of soil is formed in swampy and highly humid areas? - Peaty Soil
• In which state did the 'Chipko Movement', launched to stop deforestation and reduce soil erosion, start? - Uttarakhand (Chamoli)
• According to the 'National Forest Policy 1988', what percentage of the country's total land area must have forests? - 33% of the land area

National Parks and Sanctuaries

• Which was India's first national park established in 1936? - Jim Corbett National Park (Hailey National Park)
• Which is the largest national park in India in terms of area? - Hemis National Park (Ladakh)
• In which state is the 'Kaziranga National Park', world-famous for the one-horned rhinoceros, located? - Assam
• Which national park is the only natural habitat of Asiatic Lions? - Gir National Park (Gujarat)
• In which state is the world's only floating national park 'Keibul Lamjao' located? - Manipur (Loktak Lake)
• 'Dachigam National Park' is known for which rare animal (Kashmiri deer)? - Hangul
• In which state is the Silent Valley National Park located? - Kerala
• In which year was 'Project Tiger' launched in India? - In the year 1973
• In which year was 'Project Elephant' launched by the Government of India? - In the year 1992
• Which is the largest tiger reserve in India in terms of area? - Nagarjunasagar Srisailam (Andhra Pradesh)
• Which is considered the smallest tiger reserve in India? - Bor Tiger Reserve (Maharashtra)
• In which state is the Sundarbans National Park, famous for the 'Royal Bengal Tiger', located? - West Bengal
• In which state are Kanha, Bandhavgarh, and Panna National Parks located? - Madhya Pradesh (Tiger State)
• In which state is the 'Keoladeo Ghana National Park', famous as a paradise for birds, located? - Bharatpur, Rajasthan
• In which state are Manas National Park and Nameri National Park located? - Assam
• 'Periyar National Park' is mainly famous for the conservation of which wildlife? - For elephants (Kerala)
• In which state is the 'Indraprastha' or 'Simlipal' National Park located? - Odisha
• In which state is the 'Great Himalayan National Park', which has UNESCO World Heritage status, located? - Himachal Pradesh (Kullu)
• How many Biosphere Reserves are there in India at present? - 18 Biosphere Reserves
• Which was India's first Biosphere Reserve established in 1986? - Nilgiri Biosphere Reserve

Water Resources and Multi-purpose Projects

• Which was independent India's first multi-purpose river valley project? - Damodar Valley Project (1948)
• On which river is India's highest dam, the 'Tehri Dam', built? - Bhagirathi and Bhilangana River (Uttarakhand)
• Which is the longest dam in India, built on the Mahanadi River? - Hirakud Dam (Odisha - 25.8 km)
• By what name is the reservoir of the 'Bhakra Nangal Dam' located on the Satluj river known? - Govind Sagar Lake
• On which river is the 'Sardar Sarovar Dam' built in Gujarat? - Narmada River
• 'Nagarjuna Sagar Dam' is a famous dam built on which river? - Krishna River (Andhra Pradesh/Telangana)
• On which river is the 'Almatti Dam' located? - Krishna River (Karnataka)
• On which river is the 'Idukki Dam', an arch dam, built? - Periyar River (Kerala)
• On which river are the 'Baglihar', 'Dulhasti', and 'Salal' hydroelectric projects located? - Chenab River (Jammu and Kashmir)
• On which river are the 'Uri' and 'Kishanganga' hydroelectric projects located? - Jhelum River
• From which barrage does India's longest canal, the 'Indira Gandhi Canal', originate? - Harike Barrage (Confluence of Satluj and Beas)
• Irrigation from the Indira Gandhi Canal mainly benefits the dry regions of which state? - Rajasthan
• By what name is the reservoir of the 'Rihand Dam Project', which is India's largest man-made lake, known? - Govind Ballabh Pant Sagar (उत्तर प्रदेश)
• 'Bamboo Drip Irrigation' system is prevalent in which state for 'crops and irrigation'? - Meghalaya
• On which river are the 'Matatila Dam' and 'Rani Lakshmi Bai Dam' built? - Betwa River (Uttar Pradesh)
• Under which project were the 'Maithon', 'Tilaiya', and 'Panchet' dams built? - Damodar Valley Project
• On which river are the 'Gandhi Sagar', 'Jawahar Sagar', and 'Rana Pratap Sagar' dams built? - Chambal River
• The Chambal River project is a joint project of which two states? - Rajasthan and Madhya Pradesh
• The 'Polavaram Irrigation Project' is an important project under construction on which river? - Godavari River (Andhra Pradesh)
• For what purpose was the 'Farakka Barrage' built on the Ganga river? - To maintain water flow in the Hooghly river and protect the Kolkata port

Valuable Minerals, Energy Resources and Industries

• Which is India's largest coal field, located in Jharkhand? - Jharia Coal Field
• In which state is India's oldest and famous copper mine 'Khetri' located? - Rajasthan
• In which state are the 'Kolar' and 'Hutti' mines, famous for 'gold mines' in India, located? - Karnataka
• Where was the first commercial production of petroleum started in India? - Digboi (Assam - 1889)
• Which is India's largest offshore oil-producing region? - Mumbai High (Maharashtra)
• Where was India's first modern iron-steel plant 'TISCO' established in 1907? - Jamshedpur (Jharkhand)
• The Bhilai Steel Plant (Chhattisgarh) was established with the cooperation of which country? - Soviet Union (Russia)
• The Rourkela Steel Plant (Odisha) was built with the assistance of which country? - West Germany
• The Durgapur Steel Plant (West Bengal) was established with the cooperation of which country? - Britain (UK)
• During which Five-Year Plan was the 'Bokaro Steel Plant' (Jharkhand) established? - Third Five-Year Plan (with the cooperation of Russia)
• Which city is known as the 'Cottonopolis of India' (Cotton textiles capital)? - Mumbai
• Who is called the 'Manchester of North India'? - Kanpur
• Who is called the 'Manchester of South India'? - Coimbatore (Tamil Nadu)
• Which state is the largest producer of Mica in India? - Andhra Pradesh (Kodarma-Jharkhand is a historical center)
• In which state are the 'Jaduguda' mines, famous for uranium mining, located? - Jharkhand
• Which is the largest producer state of Bauxite in India? - Odisha
• Where was India's first modern cotton textile mill opened in 1818? - Fort Gloster (Kolkata)
• Which city is called the 'Silicon Valley' of India? - Bengaluru
• Visakhapatnam and Mazagon (Mumbai) in India are major centers of which industry? - Shipbuilding industry
• In which state is the place 'Nepanagar', famous for the manufacture of newsprint, located? - Madhya Pradesh

Transport, Communication and Geography

• Which is the longest national highway in India? - NH 44 (Srinagar to Kanyakumari - 3,745 km)
• Which was considered the shortest national highway in India? - NH 47A (now NH 548 / NH 966B - Willingdon Island)
• What is the highway connecting India's four major metros (Delhi, Mumbai, Chennai, Kolkata) called? - Golden Quadrilateral
• 'North-South Corridor' किन दो शहरों को जोड़ता है? - Srinagar to Kanyakumari
• 'East-West Corridor' किन दो स्थानों को जोड़ता है? - Silchar (Assam) to Porbandar (Gujarat)
• What is the rank of the Indian Railway network in Asia and the world? - Second in Asia and fourth in the world
• On April 16, 1853, between which two stations was the first train run in India? - Bombay (Bori Bunder) to Thane (34 km)
• In which city was the first metro rail service in India started in 1984? - Kolkata
• How many national waterways are notified in India in total? - 111 National Waterways
• Between which two places is India's longest National Waterway-1 (NW-1) located? - Prayagraj to Haldia (Ganga River - 1,620 km)
• Which national waterway is located between Sadiya and Dhubri on the Brahmaputra River? - National Waterway-2 (NW-2)
• How many major ports are there in India at present? - 13 major ports
• Which is the largest natural port in India? - Mumbai Port
• Which is India's first tidal port and duty-free zone? - Kandla Port (Deendayal Port, Gujarat)
• Which is the largest artificial port and container port in India? - Jawaharlal Nehru Port (Nhava Sheva, Maharashtra)
• 'Queen of the Arabian Sea' किस प्राकृतिक बंदरगाह को कहा जाता है? - Kochi Port (Kerala)
• Which is India's deepest landlocked safe port? - Visakhapatnam Port (Andhra Pradesh)
• The 'Radcliffe Line' is the boundary line between which two countries? - India and Pakistan
• The 'McMahon Line' is the boundary line between India and which country? - India and China (Arunachal Pradesh border)
• Between which two countries is the 'Durand Line' currently located? - Pakistan and Afghanistan (Historical: India-Afghanistan)

Environment and Ecology Concepts

• Which scientist first used the word 'Ecology'? - Ernst Haeckel (1866)
• Who first used the word 'Ecosystem'? - A. G. Tansley (1935)
• What is the primary source of energy in any ecosystem? - Sunlight (Solar Energy)
• In which direction is the flow of energy in an ecosystem always? - Unidirectional
• Which scientist proposed the '10 Percent Law' of energy transfer? - Raymond Lindeman (1942)
• Who are the primary consumers in a food chain? - Herbivores
• Who acts as an intermediary between biotic and abiotic components? - Producers (green plants)
• Who were the main leaders of the 'Chipko Movement' for environmental protection? - Sunderlal Bahuguna and Chandi Prasad Bhatt
• Which social activist mainly led the 'Narmada Bachao Andolan'? - Medha Patkar
• Who is considered a 'friend' of the ecosystem and who is considered a 'foe'? - Friend: Peepal/Banyan; Foe: Eucalyptus
• Who first used the word 'Biodiversity'? - Walter G. Rosen
• What are the major regions of 'Biodiversity Hotspots' in India? - Western Ghats and Eastern Himalayas
• On which date is 'World Environment Day' celebrated annually by the United Nations? - On 5th June
• When is 'International Day for Biological Diversity' celebrated annually? - On 22nd May
• On which date is 'World Wetlands Day' celebrated annually? - On 2nd February
• In which year was the 'Environment Protection Act' passed in India implemented? - In the year 1986 (Umbrella legislation)
• In which year was the 'Forest Conservation Act' implemented in India? - In the year 1980
• In which year was the 'Biodiversity Act' passed by the Parliament in India? - In the year 2002
• In which year was the 'National Green Tribunal' (NGT) established? - In the year 2010 (New Delhi)
• What is the unit of measurement for 'Ecological Footprint'? - Global Hectare

Biodiversity and Biosphere Reserves

• How many internationally recognized 'Biosphere Reserves' (UNESCO MAB) are there in India? - 12 Biosphere Reserves (out of total 18)
• The Nilgiri Biosphere Reserve is located in the junction of which three states? - Tamil Nadu, Kerala, and Karnataka
• Which is the largest Biosphere Reserve in India in terms of area? - Rann of Kutch (Gujarat)
• Which is considered the smallest Biosphere Reserve in India? - Dibru-Saikhowa (Assam)
• In which state is the 'Panna Biosphere Reserve', which has been included in the UNESCO list, located? - Madhya Pradesh
• In which state of India is the 'Cold Desert' Biosphere Reserve located? - Himachal Pradesh
• On which hill and in which state is the 'Nokrek' Biosphere Reserve located? - Garo Hills (Meghalaya)
• 'Agasthyamalai Biosphere Reserve' is spread over which two states? - Kerala and Tamil Nadu
• Which famous national park is included in the 'Great Nicobar Biosphere Reserve'? - Campbell Bay National Park
• In which state is the 'Kangchendzonga Biosphere Reserve' located? - Sikkim
• In which state is the 'Seshachalam Hills' Biosphere Reserve located? - Andhra Pradesh
• When was the 'Red Data Book' of the IUCN, an organization that prepares a list of endangered species, first published? - In the year 1964
• In which city is the headquarters of IUCN located? - Gland (Switzerland)
• In the 'Red Data Book', endangered species are shown on which colored pages? - Pink pages
• When was the 'Hangul Project' launched in India for the conservation of the Kashmiri deer? - In the year 1970
• In which year was 'Project Rhino' launched in India? - In the year 1987
• In which year was 'Project Crocodile' (Crocodile Conservation) launched in India? - In the year 1975
• In which year was 'Project Snow Leopard' launched in India? - In the year 2009
• Where was India's first 'Marine National Park' established? - Gulf of Kutch (Gujarat)
• The 'Gulf of Mannar Marine National Park' located in Tamil Nadu is famous for which marine animal? - Dugong (Sea Cow)

Pollution, Greenhouse Effect and Climate Change

• Which gas in the atmosphere is most responsible for the 'Greenhouse Effect'? - Water Vapor and Carbon Dioxide (CO2)
• In which layer of the atmosphere is the ozone layer found, which blocks ultraviolet rays? - Stratosphere
• What is the unit for measuring the thickness of the ozone layer? - Dobson Unit (DU)
• Which chemical/gas is mainly responsible for the depletion of the ozone layer? - Chlorofluorocarbons (CFCs)
• In which year was the historic 'Montreal Protocol' for the protection of the ozone layer signed? - 16 September 1987 (Canada)
• On which date is 'World Ozone Day' celebrated annually? - On 16th September
• Acid Rain is mainly caused by the atmospheric pollution of which two gases? - Sulfur Dioxide (SO2) and Nitrogen Oxide (NOx)
• What is the main reason for the yellowing and damage to the 'Taj Mahal'? - Acid Rain (SO2 emission from Mathura Refinery)
• Due to the pollution of which metal in water bodies in Japan did 'Minamata Disease' occur? - Mercury (Hg)
• Excess of which element in drinking water causes 'Itai-Itai disease'? - Cadmium
• What disease do newborns get due to the excess of nitrate in water? - Blue Baby Syndrome (Methaemoglobinemia)
• What disease is caused by the excess of arsenic in drinking water? - Black Foot Disease
• How many pollutants are mainly included in the Air Quality Index (AQI)? - 8 pollutants
• Smog is mainly a mixture of which two components? - Smoke and Fog
• Which poisonous gas leaked in the 'Bhopal Gas Tragedy' (1984)? - Methyl Isocyanate (MIC)
• In which year was the Kyoto Protocol adopted to control 'Global Warming'? - In the year 1997 (Japan)
• The Kyoto Protocol is mainly related to what? - Reducing greenhouse gas emissions
• In which year did the Paris Agreement (COP21) on climate change happen? - In the year 2015
• What is the main goal of the Paris Agreement to limit global temperature rise from pre-industrial levels? - Below 2°C (striving for 1.5°C)
• Under which act was the Central Pollution Control Board (CPCB) established? - Water (Prevention and Control of Pollution) Act, 1974

Ramsar Sites and Wetlands

• In which country's city was the 'Ramsar Convention' for the protection of wetlands signed in 1971? - Ramsar city of Iran
• On which date was the Ramsar Convention signed, due to which 'Wetlands Day' is celebrated on this day? - 2 February 1971
• In which year did India formally become a part of the Ramsar Treaty? - On 1 February 1982
• How many Ramsar Sites have been declared in India? - 85 Ramsar Sites (up to the year 2024)
• Which was declared the first Ramsar site in India? - Chilika Lake (Odisha) and Keoladeo National Park (1981)
• Which is the largest Ramsar site in India in terms of area? - Sundarbans Wetland (West Bengal)
• Which is the smallest Ramsar site in India in terms of area? - Renuka Wetland (Himachal Pradesh)
• In which state of India are the most Ramsar sites located? - Tamil Nadu (18 Ramsar Sites)
• In which register are those wetlands of international importance listed where ecological changes have occurred or are occurring? - Montreux Record
• Which two sites in India are currently included in the 'Montreux Record'? - Keoladeo National Park (Rajasthan) and Loktak Lake (Manipur)
• In which year was 'Chilika Lake' removed from the Montreux Record as it had improved? - In the year 2002
• In which state are the 'Pong Dam Lake' and 'Chandratal Lake' Ramsar sites located? - Himachal Pradesh
• In which state are the 'Harike Lake' and 'Kanjli Lake' Ramsar sites located? - Punjab
• In which state is the 'Deepor Beel' Ramsar site located? - Assam
• In which state is the 'Rudrasagar Lake' Ramsar site located? - Tripura
• 'East Kolkata Wetlands' is a Ramsar site famous for what kind of treatment? - Natural wastewater treatment system
• 'Sasthamkotta Lake', known as the 'Queen of Lakes', is a Ramsar site of which state? - Kerala
• In which state are the 'Nawabganj' and 'Sandi' bird sanctuaries Ramsar sites located? - Uttar Pradesh
• In which state are the 'Khijadiya' and 'Thol' wildlife sanctuary Ramsar sites located? - Gujarat
• Which artificially created area is included as a Ramsar site in India? - Harike Barrage (Punjab)

Agricultural Geography and Crops

• In which month are Kharif crops sown in India? - June-July (upon the arrival of monsoon)
• Which are the main Kharif crops of India? - Paddy (Rice), Maize, Jowar, Bajra, Cotton, Groundnut
• When are Rabi crops sown? - October-November (at the beginning of winter)
• Which are the main Rabi crops of India? - Wheat, Barley, Gram, Mustard, Peas, Potato
• What are the crops grown in summer between Kharif and Rabi crops called? - Zaid crops (e.g., Watermelon, Muskmelon, Cucumber)
• Which is the food crop grown on the largest area in India? - Rice (Paddy)
• What is India's rank in the world in rice production? - Second place (after China)
• Which is the largest rice-producing state in India? - West Bengal
• Which is the largest wheat-producing state in India? - Upper Pradesh
• Which state in India is at the top in per hectare wheat production? - Punjab
• Which crops were most affected by the 'Green Revolution' in India? - Wheat and Rice (especially wheat)
• Which is the largest cotton-producing state in India? - Gujarat and Maharashtra
• 'Jute' is called 'Golden Fiber', which is its largest producing state? - West Bengal
• Which is the largest tea-producing state in India? - Assam (Surma Valley and Brahmaputra Valley)
• Which is the largest producer state of high-quality 'Coffee' (Arabica) in India? - Karnataka (Baba Budan Hills)
• Which is the largest producer state of 'Rubber' and 'Spices' in India? - Kerala
• Which state in India is in the first place in the production of 'Sugarcane' and 'Potato'? - Upper Pradesh
• Due to being the largest soybean-producing state, what is called the 'Soy State'? - Madhya Pradesh
• Which is the leading state in India in the production of 'Groundnut'? - Gujarat
• What is Jhum cultivation (shifting cultivation) called in Northeast India? - Jhuming

Solar Energy, Disaster Management and Policies

• Who is the chairman of the National Disaster Management Authority (NDMA) in India? - Prime Minister of India
• In which year was the 'National Disaster Management Act' implemented in India? - In the year 2005
• Under which act was the National Disaster Response Force (NDRF) constituted? - Under the Disaster Management Act 2005
• Where is the world's largest single-location solar energy park, 'Bhadla Solar Park', located? - Jodhpur (Rajasthan)
• In which Indian city is the headquarters of the International Solar Alliance (ISA) located? - Gurugram (Haryana)
• By which year has India set a target to achieve 500 Gigawatts (GW) of non-fossil energy capacity? - By the year 2030
• What is the main objective of the 'PM-KUSUM' scheme? - To assist farmers in installing solar-powered pumps
• Which village has been declared as India's first fully solar-powered village? - Modhera (Gujarat)
• Which is the country's first fully solar-powered international airport? - Cochin International Airport (Kerala)
• Where has the 'Tsunami Warning Centre' (INCOIS) been established in India? - In Hyderabad
• Cyclones in India are named by which meteorological department? - India Meteorological Department (IMD - New Delhi)
• On which coast of India is the probability of cyclones the highest? - East Coast (Bay of Bengal)
• Which scale is used to measure the intensity of earthquakes? - Richter Scale
• What is the instrument that records seismic waves called? - Seismograph
• Into how many seismic zones has India been divided? - Into 4 zones (Zone II, III, IV, and V)
• Which is the most seismically sensitive zone in India? - Zone V (Himalayan region, Northeast, Kutch)
• In which year was the 'National Flood Commission' established in India? - In the year 1976
• What is the 'Sendai Framework' related to at the international level? - Disaster Risk Reduction (2015-2030)
• When is 'International Day of Forests' celebrated annually? - On 21st March
• In which region do the most landslide incidents occur in India? - In the Himalayan region and Western Ghats

Demography and Tribal Geography

• According to the 2011 census, what was India's total population recorded? - 121.08 Crores
• 2001 to 2011 के दौरान भारत की दशकीय जनसंख्या वृद्धि दर (Decadal Growth Rate) कितनी रही? - 17.7%
• According to the 2011 census, what is the population density of India? - 382 persons per sq km
• Which is the most densely populated state in India? - Bihar (1,106 persons/sq km)
• Which is the least densely populated state in India? - Arunachal Pradesh (17 persons/sq km)
• According to the 2011 census, what is the sex ratio of India? - 943 females per 1000 males
• Which is the state with the highest sex ratio in India? - Kerala (1,084)
• Which is the state with the lowest sex ratio in India? - Haryana (879)
• According to the 2011 census, what is the total literacy rate in India? - 74.04%
• Which state in India has the highest literacy? - Kerala (94%)
• According to the 2011 census, which state in India has the lowest literacy? - Bihar (61.8%)
• Which is India's largest tribe (based on numbers)? - Bhil tribe (Gond is second)
• Where does the 'Toda' tribe, known for the practice of polyandry, reside? - Nilgiri Hills (Tamil Nadu)
• In which state do the 'Santhal' and 'Munda' tribes mainly reside? - Jharkhand
• The 'Bhotia' tribe, which practices transhumance, is related to which state? - Uttarakhand
• Where are the 'Jarawa', 'Onge', and 'Sentineli' tribes found? - In Andaman and Nicobar Islands
• Where is the 'Tharu' tribe, which used to consider Diwali a day of mourning, found? - In the Terai region of Uttar Pradesh and Uttarakhand
• In which state are the 'Gaddi' and 'Gujjar' pastoral tribes found? - Himachal Pradesh and Jammu and Kashmir
• In which state of India is the percentage of Scheduled Tribe (ST) population the highest? - Mizoram (86.4% - among states)
• In which states/union territories of India is there no Scheduled Tribe (ST) population? - Punjab, Haryana, Chandigarh, Delhi, and Puducherry

International Borders and Neighbors

• India's border is shared land-wise with how many neighboring countries in total? - 7 countries (Bangladesh, China, Pakistan, Nepal, Myanmar, Bhutan, Afghanistan)
• With which country does India have the longest land border? - Bangladesh (4,096.7 km)
• With which country does India have the shortest land border? - Afghanistan (106 km - in PoK)
• The borders of how many states and union territories of India touch international borders? - 18 states/union territories
• How many Indian states share a border with Bangladesh? - 5 states (West Bengal, Assam, Meghalaya, Tripura, Mizoram)
• How many states and union territories of India share a border with China? - 5 (Ladakh, Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh)
• How many states/union territories of India share a border with Pakistan? - 5 (Gujarat, Rajasthan, Punjab, Jammu and Kashmir, Ladakh)
• The 'Tin Bigha Corridor' was related to a border dispute between India and which country? - Bangladesh
• On the coast of which state is the Sir Creek dispute between India and Pakistan located? - Gujarat (Rann of Kutch)
• The borders of the state of 'Sikkim' touch which three countries? - Nepal, Bhutan, and China
• The border of 'West Bengal' touches which three countries? - Nepal, Bhutan, and Bangladesh
• The border of 'Arunachal Pradesh' touches which three countries? - Bhutan, China, and Myanmar
• The border of the 'Ladakh' union territory touches which three countries? - Pakistan, China, and Afghanistan
• Which mountain range is situated on India's border with Myanmar? - Patkai Bum and Arakan Yoma
• What is the length of the border line between India and Myanmar? - 1,643 km
• Which river forms a natural boundary between India and Nepal? - Kali River (Sharda River)
• What is the total length of the border line between India and Bhutan? - 699 km
• The 'Lipulekh Pass' and 'Kalapani' region dispute is between India and which neighboring country? - With Nepal
• Near which three regions is the 'Doklam' plateau tri-junction area located? - India (Sikkim), Bhutan, and China (Tibet)
• What does the 'Chicken's Neck' or Siliguri Corridor connect India to? - To the Northeastern states

Environmental Protection Projects and International Treaties

• Where was the 'Earth Summit' 1992 held for the conservation of biodiversity? - Rio de Janeiro (Brazil)
• In which year did the Convention on International Trade in Endangered Species of Wild Fauna and Flora 'CITES' come into force? - In the year 1975
• When was 'TRAFFIC', an organization that stops illegal wildlife trade in India, established? - In the year 1976
• What is the main objective of the 'Ramsar Convention'? - Conservation of wetlands
• What was the main theme of the 'Stockholm Conference' (1972)? - First United Nations Conference on the Human Environment
• Where is the headquarters of the United Nations Environment Programme (UNEP) located? - Nairobi (Kenya)
• In which year was the 'Global Environment Facility' (GEF) established? - In the year 1992 (during the Earth Summit)
• When was the United Nations Framework Convention on Climate Change (UNFCCC) formed? - In the year 1992
• What is the annual meeting of the members of the UNFCCC called? - COP (Conference of the Parties)
• In which city was the first 'COP-1' conference held in the year 1995? - Berlin (Germany)
• Who first used the word 'Deep Ecology'? - Arne Naess (1973)
• When was the 'National Afforestation and Eco-Development Board' (NAEB) established in India? - In the year 1992
• In which year was the 'National Ganga River Basin Authority' (NGRBA) constituted? - In the year 2009
• What is the name of the integrated mission started to clean the Ganga River? - Namami Gange Programme (2014)
• In which year was the 'National Clean Air Programme' (NCAP) launched by the Government of India? - In the year 2019
• Which treaty is for the control of transboundary movements of hazardous wastes? - Basel Convention (1989)
• Which treaty is related to the elimination of Persistent Organic Pollutants (POPs)? - Stockholm Convention (2001)
• Which international treaty is for protection against the harmful effects of Mercury? - Minamata Convention (2013)
• What is the main objective of the 'Clean Development Mechanism' (CDM) under the Kyoto Protocol? - To reduce carbon emissions
• From which year were the 'Sustainable Development Goals' (SDGs) implemented by the United Nations until 2030? - From the year 2015 (17 goals)

Miscellaneous Geography and Terminology

• Which is the largest man-made (artificial) lake in India? - Govind Ballabh Pant Sagar (Rihand Dam)
• What is the calm and low-pressure area found in the center of a 'Cyclone' called? - Eye of the Cyclone
• Which is the only active volcano located in 'Insular India'? - Barren Island (Andaman)
• The word 'Tsunami' is of which language, meaning 'coastal waves'? - Japanese language
• What is the point on the Earth's surface located directly above the earthquake's focus called? - Epicenter
• What is the place from where seismic waves originate called? - Hypocenter/Focus
• What is the fertile plain region between two rivers called? - Doab
• What is the pebble-stone structure in the lower slopes of the Shivaliks called? - Bhabar
• What is the wet, swampy, and dense forest region located south of the Bhabar region called? - Terai
• Which is the internal saltwater river flowing in the Thar Desert of Rajasthan? - Luni River
• What is the shape of the Peninsular Plateau mainly like? - Triangular
• The Deccan Plateau is mainly formed of which type of lava? - Basalt Lava
• Who is called the 'White Desert' in India? - Rann of Kutch (Gujarat)
• What is the narrow strip of land in the sea surrounded by water on three sides called? - Peninsula
• What is the narrow passage of water connecting two large water bodies called? - Strait
• What is the most significant physical contribution of the 'Himalayan Mountains' to India's climate? - Blocking Siberian cold winds and blocking monsoon winds to cause rain
• Which microorganism is responsible for the formation of 'Coral Reefs'? - Coral or Coral Polyps (Zooxanthellae)
• What are sand dunes in Rajasthan called in the local language? - Dhore or Dhariyan
• What are the lagoon lakes found in the coastal regions of Kerala called in the local language? - Kayal
• Which is the only region in India where a 'Cold Desert' is found? - Ladakh Plateau