Q1: Which is the longest river in the world?
1. Yellow River
2. Danube River
3. Nile River
4. Ganges River
Show Answer
Answer: 3
Explanation: The Nile is the longest river in the world. It is approximately 6,650 km long. It is also the longest river in Africa. The Blue Nile and the White Nile are its two major tributaries.
Q2: Which is the largest river in the world in terms of discharge volume of water?
1. Amazon River
2. Niger River
3. Ganges River
4. Mekong River
Show Answer
Answer: 1
Explanation: The Amazon River is the largest river in the world in terms of discharge volume of water. It flows in South America. Its length is about 6,575 km. It is also considered as the second longest river of the world.
Q3: Which is the longest river in Asia?
1. Amazon River
2. Yangtze River
3. Ganges River
4. Yellow River
Show Answer
Answer: 2
Explanation: The Yangtze River is the longest river in Asia. It is the third longest river in the world. It flows entirely within China. It is also the longest river in the world to flow within one country.
Q4: Which is the longest river of Europe?
1. Danube River
2. Rhine River
3. Volga River
4. Elbe River
Show Answer
Answer: 3
Explanation: The Volga river is the longest river in Europe. It is about 3,531 km long. It flows through Central Russia and into the Caspian Sea. It is also the largest river in Europe in terms of discharge volume and drainage basin.
Q5: The Mississippi River flows in which continent?
1. South America
2. Asia
3. Europe
4. North America
Show Answer
Answer: 4
Explanation: The Mississippi River flows in the continent of North America. It is the second longest river in North America and the second largest drainage system after the Hudson Bay drainage system.
Q6: Which is the largest river system flowing to the Arctic Ocean?
1. Mississippi River
2. Yenisei River
3. Yellow River
4. Amazon River
Show Answer
Answer: 2
Explanation: The Yenisei River is the largest river system that flows to the Arctic Ocean. It is also the fifth longest river in the world. It flows through two countries, Mongolia and Russia.
Q7: Which is the longest river in North America?
1. Mississippi River
2. Amazon River
3. Nile River
4. Missouri River
Show Answer
Answer: 4
Explanation: The Missouri River is the longest river in North America. It stretches for about 2,341 miles. Also, it combines with the Mississippi River to form the fourth longest river system in the world.
Q8: Yellow River flows through which country?
1. United States
2. Russia
3. China
4. India
Show Answer
Answer: 3
Explanation: The Yellow River is the second longest river in China. It is approximately 5,464 km long. It originates in the Bayan Har Mountains in Western China and empties into the Bohai Sea.
Q9: Which is the longest tributary river in the world?
1. Irtysh River
2. Yellow River
3. Missouri River
4. Lena River
Show Answer
Answer: 1
Explanation: The Irtysh River is the longest tributary river in the world. It flows through Russia, China, and Kazakhstan. It is the chief tributary of the Ob River.
Q10: Murray River flows in which continent?
1. South America
2. Asia
3. Australia
4. Africa
Show Answer
Answer: 3
Explanation: The Murray River is the longest river in Australia. It is approximately 2,508 km long. It rises in the Australian Alps and flows through New South Wales and Victoria and empties into the Indian Ocean.
Q11: Which is the biggest tributary river of the Amazon?
1. Danube River
2. Madeira River
3. Mekong River
4. Volga River
Show Answer
Answer: 2
Explanation: The Madeira River is the biggest tributary river of the Amazon River and a major waterway in South America. It is about 3,250 km long. It flows through the countries of Brazil and Bolivia.
Q12: Which is the largest river from Africa that flows into the Indian Ocean?
1. Zambezi River
2. Congo River
3. Niger River
4. Limpopo River
Show Answer
Answer: 1
Explanation: The Zambezi River is the largest river from Africa that flows into the Indian Ocean. It is also the fourth longest river in Africa and the longest east flowing river there. Victoria Falls is a waterfall on the Zambezi River.
Q13: Which is the largest blackwater river in the world?
1. Zambezi River
2. Nile River
3. Rio Negro River
4. Murray River
Show Answer
Answer: 3
Explanation: The Rio Negro river is the largest blackwater river in the world. It is also known as Guainia River. It is also the largest left tributary of the Amazon River. It flows through the countries of Colombia, Venezuela, and Brazil.
Q14: Which of the following river does not flow in Europe?
1. Volga River
2. Fly River
3. Rhine River
4. Elbe River
Show Answer
Answer: 2
Explanation: The Fly River is the largest river in Oceania in terms of discharge volume of water. It is also the second longest river in Papua New Guinea, with a length of 1,050 km. It is also the world’s largest river without any dam in its catchment.
Q15: Which is the deepest river in the world?
1. Loire River
2. Nile River
3. Rhine River
4. Congo River
Show Answer
Answer: 4
Explanation: The Congo River is the deepest river in the world. It was formerly known as the Zaire River. It is also the second longest river in Africa and the world’s second largest river in terms of discharge volume of water.
Q16: Loire River flows in which country?
1. Russia
2. United States
3. Canada
4. France
Show Answer
Answer: 4
Explanation: The Loire River is the longest river in France, Europe. It is about 1,012 km long and drains an area of 117,054 square km, which is more than a fifth of the land area of France.
Q17: Yarlung Tsangpo river flows in which continent?
1. Asia
2. Europe
3. Australia
4. Africa
Show Answer
Answer: 1
Explanation: The Yarlung Tsangpo river flows in the Asian Continent. It is the longest river of Tibet Autonomous Region in China. In India, it is known as the Brahmaputra River.
Q18: Which is the longest river system in Canada?
1. Mekong River
2. Yellow River
3. Mackenzie River
4. Danube River
Show Answer
Answer: 3
Explanation: The Mackenzie River is the longest river system in Canada. It is also the largest river flowing into the Arctic Ocean from North America, and it includes the second largest drainage basin of North American River.
Q19: Which is the longest river that runs entirely in Brazil?
1. Sao Francisco River
2. Rio Negro River
3. Tocantins River
4. Madeira River
Show Answer
Answer: 1
Explanation: The Sao Francisco River is the longest river that flows entirely in the territory of Brazil. It is about 2,914 km long and is the fourth longest river in South America.
Q20: Shire River runs through which one of the following countries?
1. Canada
2. Malawi
3. France
4. China
Show Answer
Answer: 2
Explanation: The Shire River runs through Malawi and Mozambique in Africa. It is the largest river in Malawi and about 402 km long. It flows into the Zambezi river in Mozambique.
Q21: In which among the following countries is the river island Mosqueiro situated?
1. Brazil
2. Germany
3. Sweden
4. India
Show Answer
Answer: 1
Explanation: The river island Mosqueiro is located on the south bank of the river Para in the Brazilian state of Para.
Q22: In which among the following countries is the river island Yeouido located?
1. Brazil
2. South Korea
3. China
4. Hungary
Show Answer
Answer: 2
Explanation: The river island Yeouido is located on the Han river in Seoul in South Korea. It is Seoul’s main finance and investment banking district.
Q23: In which among the following countries is the river island Wilhemsburg situated?
1. South Korea
2. China
3. Germany
4. Brazil
Show Answer
Answer: 3
Explanation: The river island Wilhemsburg is situated on the banks of the river Elbe in the Hamburg city of Germany.
Q24: In which among the following countries is the Csepel island situated?
1. Hungary
2. China
3. Germany
4. South Korea
Show Answer
Answer: 1
Explanation: The Csepel island is the largest island situated on the banks of the river Danube in Hungary.
Q25: On the banks of which among the following rivers is the island Majuli situated?
1. Godavari
2. Ganga
3. Yamuna
4. Brahmaputra
Show Answer
Answer: 4
Explanation: Majuli is a river island on the river Brahmaputra in the state of Assam, India. It is the first island to be made a district in India.
Q26: On the banks of which of the following rivers is the island Srirangam situated?
1. Ganga
2. Godavari
3. Kaveri
4. Narmada
Show Answer
Answer: 3
Explanation: The Srirangam island, also known as Thiruvarangam island, is situated on the banks of the river Kaveri in India. It is the home to a significant population of Sri Vaishnavites.
Q27: The Lulu island is situated in which among the following countries?
1. Germany
2. Canada
3. Sweden
4. Bangladesh
Show Answer
Answer: 2
Explanation: The Lulu island is the largest island situated on the river Fraser in the Richmond city of Canada.
Q28: The Vasilievsky Island is situated in which among the following countries?
1. Germany
2. Canada
3. China
4. Russia
Show Answer
Answer: 4
Explanation: The Vasilievsky Island is a river island situated in the St. Petersburg city of Russia.
Q29: Which river island became the first island district in India?
1. Srirangam
2. Bhavani
3. Majuli
4. Shivanasamudram
Show Answer
Answer: 3
Explanation: Majuli is a river island on the river Brahmaputra in the state of Assam, India. It was made the first island district in India in 2016.
Q30: The Chongming Island is situated in which among the following countries?
1. Germany
2. China
3. South Korea
4. Japan
Show Answer
Answer: 2
Explanation: The Chongming Island is a river island situated on the banks of the Yangtze river in the Shanghai district of China.
Q31: The Manhattan Island is located in which among the following countries?
1. Germany
2. Switzerland
3. United States
4. China
Show Answer
Answer: 3
Explanation: The Manhattan Island is located on the banks of the river Hudson in the New York City of United States.
Q32: The Salsette island is situated in which among the following countries?
1. Germany
2. Canada
3. United States
4. India
Show Answer
Answer: 4
Explanation: The Salsette island is situated on the banks of the river Ulhas in the state of Maharashtra, India.
Q33: The Salsette island is situated on the banks of which among the following rivers?
1. Kaveri
2. Penna
3. Ulhas
4. Mutha
Show Answer
Answer: 3
Explanation: The Salsette island is situated on the banks of the river Ulhas in the state of Maharashtra, India.
Q34: Which among the following river islands is not located in India?
1. Shivanasamudram
2. Sandwip
3. Majuli
4. Umananda
Show Answer
Answer: 2
Explanation: Sandwip island is located on the river Meghna in Bangladesh. The other river islands mentioned are located in India.
Q35: Which among the following river islands is not located on the banks of river Brahmaputra?
1. Majuli
2. Dibru Saikhowa
3. Umananda
4. Srirangam
Show Answer
Answer: 4
Explanation: The Srirangam island, also known as Thiruvarangam island, is situated on the banks of the river Kaveri in India. It is not located on the banks of river Brahmaputra.
Q36: Which among the following is the largest Delta in the world?
1. Amazon
2. Krishna
3. Ganga-Brahmaputra
4. Danube
Show Answer
Answer: 3
Explanation: The Ganga-Brahmaputra, a river delta in the Bengal region, is the world’s largest delta. It empties into the Bay of Bengal.
Q37: The Danube delta is a part of which among the following countries?
1. Romania
2. Germany
3. Sweden
4. Russia
Show Answer
Answer: 1
Explanation: The Danube delta is the second largest river delta in Europe. The greater part of the Danube delta lies in Romania, and a small part is in Ukraine.
Q38: Which is the largest river delta in Europe?
1. Danube
2. Mackenzie
3. Ebro
4. Volga
Show Answer
Answer: 4
Explanation: The Volga Delta is the largest river delta in Europe. Part of the Volga river system, it drains into the Caspian Sea and is designated as a Ramsar Wetland site.
Q39: The Ebro Delta is situated on which among the following seas?
1. Mediterranean Sea
2. Red Sea
3. Black Sea
4. Caspian Sea
Show Answer
Answer: 1
Explanation: The Ebro Delta, on the Ebro river, is on the Mediterranean Sea. It is one of the largest wetland areas on the western Mediterranean Sea and is a Ramsar Wetland site.
Q40: Which among the following Deltas is nicknamed as the Green Delta?
1. Euphrates Delta
2. Ganges Delta
3. Fly Delta
4. Mackenzie Delta
Show Answer
Answer: 2
Explanation: The Ganges Delta is a river delta in the Bengal region, consisting of Bangladesh and the Indian state of West Bengal. It is one of the most fertile regions of the world and is therefore called the Green Delta.
Q41: The Fly Delta is located in which among the following countries?
1. Papua New Guinea
2. New Zealand
3. Australia
4. Malaysia
Show Answer
Answer: 1
Explanation: The Fly Delta is a river delta on the Fly River. It is a funnel-shaped and tide-dominated delta located in Papua New Guinea.
Q42: The Indus Delta is formed at which among the following seas?
1. Caspian Sea
2. Red Sea
3. Arabian Sea
4. Mediterranean Sea
Show Answer
Answer: 3
Explanation: The Indus Delta is a Ramsar wetland site formed where the Indus river meets the Arabian Sea. The delta is home to the largest arid mangroves in the world.
Q43: The Irrawaddy Delta is located in which among the following countries?
1. Indonesia
2. Bangladesh
3. Sri Lanka
4. Myanmar
Show Answer
Answer: 4
Explanation: The Irrawaddy Delta lies in Myanmar. It is a densely populated delta due to the presence of alluvial soil and is famous for the cultivation of rice.
Q44: The Kaveri delta is located in which among the following states of India?
1. Kerala
2. Maharashtra
3. Tamil Nadu
4. Karnataka
Show Answer
Answer: 3
Explanation: The Kaveri delta covers central Tamil Nadu and the east-central Tamil Nadu. It encompasses the lower reaches of the river Kaveri and was a cultural homeland and a political base for the Cholas.
Q45: The Krishna Delta is present in which among the following states of India?
1. Maharashtra
2. Uttar Pradesh
3. Kerala
4. Andhra Pradesh
Show Answer
Answer: 4
Explanation: The Krishna Delta is located in the Andhra Pradesh state of India. It drains into the Bay of Bengal.
Q46: The Lena Delta is located in which among the following countries?
1. India
2. Russia
3. Bangladesh
4. Pakistan
Show Answer
Answer: 2
Explanation: The Lena Delta, with a size of 30,000 square kilometers, is one of the largest in the world. It is located in the Sakha Republic of Russia.
Q47: In which among the following countries does the Mekong Delta lie?
1. Myanmar
2. Indonesia
3. Vietnam
4. Malaysia
Show Answer
Answer: 3
Explanation: The Mekong Delta, also known as the Western Region, is located in Vietnam. It is dubbed a ‘biological treasure trove’ due to its vast biological diversity.
Q48: Which among the following Deltas is also referred to as the ‘biological treasure trove’?
1. Mackenzie Delta
2. Volga Delta
3. Mekong Delta
4. Lena Delta
Show Answer
Answer: 3
Explanation: The Mekong Delta, also known as the Western Region, is located in Vietnam. It is dubbed a ‘biological treasure trove’ due to its vast biological diversity.
Q49: The Mississippi river delta is located at the confluence of the Mississippi river and which among the following Gulfs?
1. Gulf of Aden
2. Gulf of Hormuz
3. Gulf of Oman
4. Gulf of Mexico
Show Answer
Answer: 4
Explanation: The Mississippi river delta is located at the confluence of the Mississippi river and the Gulf of Mexico in the United States. It is the 7th largest river delta in the world.
Q50: The Niger Delta is located on which among the following oceans?
1. Atlantic Ocean
2. Pacific Ocean
3. Arctic Ocean
4. Indian Ocean
Show Answer
Answer: 1
Explanation: The Niger Delta is on the river Niger and is located on the Gulf of Guinea on the Atlantic Ocean. It is a densely populated delta and is sometimes called the ‘Oil Rivers’ because it was a major producer of palm oil.
Q51: In which among the following countries is the Nile Delta located?
1. Tunisia
2. Egypt
3. Syria
4. Iraq
Show Answer
Answer: 2
Explanation: The Nile Delta is a delta formed in lower Egypt. It drains into the Mediterranean Sea and is one of the largest river deltas in the world.
Q52: The Yangtze Delta drains into which among the following water bodies?
1. Arabian Sea
2. Red Sea
3. East China Sea
4. Caspian Sea
Show Answer
Answer: 3
Explanation: The Yangtze Delta or the Yangtze River Delta is a triangle-shaped delta in China. It drains into the East China Sea.
Q53: The Rhine Delta is located in which among the following countries?
1. New Zealand
2. Netherlands
3. China
4. Russia
Show Answer
Answer: 2
Explanation: The Rhine-Muese-Scheldt Delta, also known as the Helinium Delta, is a delta located in the Netherlands. This delta has enormous economic importance as all three rivers are important navigable waterways.
Q54: The Caspian Sea is not surrounded by which among the following countries?
1. Kazakhstan
2. Russia
3. Iraq
4. Iran
Show Answer
Answer: 3
Explanation: The Caspian Sea, despite its name, is one of the largest lakes in the world. It is surrounded by the following countries: Kazakhstan, Russia, Turkmenistan, Azerbaijan, and Iran.
Q55: Which is the largest lake by area in Africa?
1. Lake Superior
2. Lake Victoria
3. Lake Baikal
4. Lake Ontario
Show Answer
Answer: 2
Explanation: Lake Victoria is bordered by Uganda, Kenya, and Tanzania. It is the largest lake by area in Africa.
Q56: Which among the following lakes is not a part of the Great Lakes of North America?
1. Lake Huron
2. Lake Victoria
3. Lake Michigan
4. Lake Ontario
Show Answer
Answer: 2
Explanation: The Great Lakes are a series of interconnected freshwater lakes in North America. The Great Lakes include Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario.
Q57: Which among the following is the largest freshwater lake in the world by surface area?
1. Superior Lake
2. Michigan Lake
3. Baikal Lake
4. Vostok Lake
Show Answer
Answer: 1
Explanation: Lake Superior is the largest of the Great Lakes by volume. It is bordered by the United States and Canada. It is the largest freshwater lake in the world by surface area.
Q58: The Lake Michigan is located in which among the following countries?
1. United States
2. Canada
3. South Africa
4. New Zealand
Show Answer
Answer: 1
Explanation: Lake Michigan is part of the Great Lakes. It is located in the United States. Michigan Lake is the largest lake located entirely in one country.
Q59: Which is the longest freshwater lake in the world?
1. Lake Michigan
2. Lake Erie
3. Lake Tanganyika
4. Lake Victoria
Show Answer
Answer: 3
Explanation: Lake Tanganyika is the longest freshwater lake in the world. It is the second largest by volume and is bordered by Burundi, Tanzania, Zambia, and the Democratic Republic of the Congo.
Q60: The Lake Baikal is located in which among the following countries?
1. India
2. Sri Lanka
3. Russia
4. China
Show Answer
Answer: 3
Explanation: Lake Baikal in Russia is the deepest lake in the world. It is the largest volume freshwater lake in the world.
Q61: Which is the largest freshwater lake by volume in the world?
1. Lake Michigan
2. Lake Tanganyika
3. Lake Baikal
4. Lake Victoria
Show Answer
Answer: 3
Explanation: Lake Baikal in Russia is the deepest lake in the world. It is the largest volume freshwater lake in the world.
Q62: The Great Bear Lake is situated in which among the following countries?
1. Canada
2. Australia
3. United States
4. Iceland
Show Answer
Answer: 1
Explanation: The Great Bear Lake is located in Canada. It is the largest lake entirely within Canada and is the largest lake situated within the Arctic Circle.
Q63: Which among the following statements is correct about the Great Bear Lake?
1. It is located in Sweden
2. It is the largest lake situated within the Arctic circle
3. It is the largest lake entirely within a country
4. It is the second largest in North America
Show Answer
Answer: 3
Explanation: The Great Bear Lake is located in Canada. It is the largest lake entirely within Canada and is the largest lake situated within the Arctic Circle. It is the fourth largest lake in North America.
Q64: Which among the following lakes has more species of fish than any other lake in the world?
1. Lake Michigan
2. Lake Baikal
3. The Great Bear Lake
4. Lake Malawi
Show Answer
Answer: 4
Explanation: Lake Malawi has more species of fish than any other lake in the world. It is bordered by the following countries: Malawi, Mozambique, and Tanzania.
Q65: Which is the deepest lake in North America?
1. Great Bear Lake
2. Lake Superior
3. Lake Ontario
4. Great Slave Lake
Show Answer
Answer: 4
Explanation: The Great Slave Lake is located in Canada. It is the deepest lake in North America at 614 meters and is the tenth-largest lake in the world.
Q66: Which is the largest lake in South America?
1. Lake Victoria
2. Lake Superior
3. Lake Titicaca
4. Lake Baikal
Show Answer
Answer: 3
Explanation: Lake Titicaca is the largest lake in South America. It is the highest navigable lake in the world and borders the countries Bolivia and Peru.
Q67: Which is the largest lake in Antarctica?
1. Lake Vostok
2. Lake Onega
3. Lake Titicaca
4. Lake Taymyr
Show Answer
Answer: 1
Explanation: Lake Vostok is the largest lake in Antarctica. It is a subglacial rift lake and is the 6th largest lake by volume.
Q68: Which is the world’s largest alkaline lake?
1. Lake Titicaca
2. Lake Superior
3. Lake Turcana
4. Lake Vostok
Show Answer
Answer: 3
Explanation: Lake Turcana borders the countries Ethiopia and Kenya. It is the largest permanent desert lake and is the world’s largest alkaline lake.
Q69: Which is the world’s largest lake on an Island?
1. Lake Nipigon
2. Lake Manitoba
3. Lake Saimaa
4. Lake Nettilling
Show Answer
Answer: 4
Explanation: Lake Nettilling is a cold freshwater lake in Canada. It is located on Baffin Island and is the world’s largest lake on an island.
Q70: Which is the largest lake in the European Union?
1. Vanern
2. Taymyr
3. Albert
4. Saimaa
Show Answer
Answer: 1
Explanation: Vanern is the largest lake in Sweden. It is the largest lake in the European Union and covers an area of 5655 sq.km.
