Prepare for the TNPSC Group 4 exam with this TNPSC Group 4 General Studies Quiz, featuring important questions with answers and detailed explanations. Attempt this free online quiz to test your knowledge and strengthen your General Studies preparation.
Note: Use the explanations below the test to learn why each answer is correct and improve your performance in future TNPSC practice tests..
TNPSC Group 4 General Studies – Revision Guide & Key Points
This section provides a quick revision of important concepts covered in this TNPSC Group 4 General Studies Quiz. These explanations help you understand key topics from History, Geography, Polity, Science, and Environment in a simple way. Practicing such TNPSC Group 4 MCQ will improve your accuracy, strengthen your basics, and boost your overall exam preparation.
1. Who is known as the Father of the Indian Constitution?
Answer: C. Dr. B. R. Ambedkar
Explanation:
Dr. B. R. Ambedkar is widely known as the “Father of the Indian Constitution” and is regarded as the chief architect of the Indian Constitution. He served as the Chairman of the Drafting Committee of the Constituent Assembly and played a major role in preparing and shaping the final draft of the Constitution.
He strongly advocated equality, social justice, fundamental rights, and protection against discrimination. The Constituent Assembly adopted the Constitution on 26 November 1949, and it came into force on 26 January 1950.
Points to Remember:
- Dr. B. R. Ambedkar → Chairman of the Drafting Committee
- Constitution adopted → 26 November 1949
- Constitution came into force → 26 January 1950
Why the Other Answers Are Not Correct:
Mahatma Gandhi: He was a leading figure in India’s freedom movement but was not a member of the Constituent Assembly’s Drafting Committee.
Jawaharlal Nehru: He played an important role in the Constituent Assembly and moved the Objectives Resolution, but he was not the Chairman of the Drafting Committee.
Rajendra Prasad: He served as the President of the Constituent Assembly and later became the first President of India, but he was not the Chairman of the Drafting Committee.
2. Which is the longest river in India?
Answer: D. Ganga
Explanation:
The Ganga is the longest river in India, with a total length of approximately 2,525 km. Its headstream, the Bhagirathi, originates from the Gangotri Glacier in Uttarakhand. At Devprayag, the Bhagirathi joins the Alaknanda, after which the river is known as the Ganga.
The Ganga flows across the fertile northern plains and passes through several states before entering Bangladesh. Its river system ultimately drains into the Bay of Bengal. The Ganga basin is one of the most important river basins in India, supporting agriculture, settlements, transport, and various economic activities.
Points to Remember:
- Longest river in India: Ganga
- Approximate length: 2,525 km
- Headstream: Bhagirathi
- Source of Bhagirathi: Gangotri Glacier, Uttarakhand
- Ganga is formed at: Devprayag
- Major tributary: Yamuna
- Drains into: Bay of Bengal
- Longest river of Peninsular India: Godavari
Why the Other Answers Are Not Correct:
A. Yamuna:
The Yamuna is a major tributary of the Ganga. It originates from the Yamunotri Glacier in Uttarakhand and joins the Ganga at Prayagraj.
B. Godavari:
The Godavari is the longest river in Peninsular India. It originates near Trimbakeshwar in Maharashtra and flows eastward into the Bay of Bengal.
C. Krishna:
The Krishna is an important Peninsular Indian river. It originates near Mahabaleshwar in Maharashtra and flows through Karnataka, Telangana, and Andhra Pradesh before reaching the Bay of Bengal.
3. The capital of Tamil Nadu is:
Answer: C. Chennai
Explanation:
Chennai is the capital city of Tamil Nadu and is located on the northeastern coast of the state, along the Bay of Bengal. It serves as the main centre of the state’s administration and governance, with important government institutions located in the city.
Chennai is also an important commercial, industrial, educational, cultural, and transportation centre in South India. The city is home to the Tamil Nadu Legislative Assembly and Secretariat, making it the principal administrative centre of the state.
Points to Remember:
- Capital of Tamil Nadu: Chennai
- Location: Coromandel Coast, Bay of Bengal
- State: Tamil Nadu
- Important government institutions: Tamil Nadu Legislative Assembly and Secretariat
- Major role: Administrative, commercial, educational, and industrial centre
Why the Other Answers Are Not Correct:
A. Madurai:
Madurai is one of the oldest cities in Tamil Nadu and is famous for the Meenakshi Amman Temple. It is an important cultural and historical centre, but it is not the state capital.
B. Coimbatore:
Coimbatore is a major industrial and commercial city, particularly known for its textile and engineering industries. However, it is not the capital of Tamil Nadu.
D. Trichy:
Tiruchirappalli (Trichy) is an important historical and educational city located in central Tamil Nadu. It is known for landmarks such as the Rockfort and Srirangam, but it is not the state capital.
4. Thirukkural was written by:
Answer: D. Thiruvalluvar
Explanation:
Thiruvalluvar is traditionally credited with writing Thirukkural, one of the most important works of classical Tamil literature. It contains 1,330 couplets (kurals) divided into 133 chapters, with each chapter containing 10 couplets.
Thirukkural is divided into three main sections: Aram (Virtue), Porul (Wealth and Governance), and Inbam (Love). It teaches valuable ideas about good character, ethical living, leadership, social responsibilities, family life, and human relationships. Its teachings are considered universal because they focus on values that are relevant to people in different times and societies.
Points to Remember:
- Author: Thiruvalluvar
- Work: Thirukkural
- Total couplets: 1,330
- Total chapters: 133
- Three sections: Aram, Porul, Inbam
- Language: Tamil
Why the Other Answers Are Not Correct:
A. Avvaiyar:
Avvaiyar refers to a group of highly respected Tamil poetesses associated with different periods of Tamil literature. Their works include poems on morality, education, and good conduct, but Thirukkural was not written by Avvaiyar.
B. Kambar:
Kambar was a famous medieval Tamil poet best known for writing Kamba Ramayanam, his Tamil retelling of the Ramayana. He was not the author of Thirukkural.
C. Ilango Adigal:
Ilango Adigal is traditionally regarded as the author of Silappathikaram, one of the Five Great Epics of Tamil literature. He did not write Thirukkural.
5. Which planet is known as the Red Planet?
Answer: C. Mars
Explanation:
Mars is known as the Red Planet because its surface and soil contain a large amount of iron minerals. These minerals react with oxygen over time and form iron oxide, commonly called rust, which gives the planet its distinctive reddish appearance.
Mars is the fourth planet from the Sun and is a terrestrial (rocky) planet. It has a thin atmosphere composed mainly of carbon dioxide, along with smaller amounts of nitrogen and argon. Mars also has two small natural satellites, Phobos and Deimos.
Points to Remember:
- Red Planet: Mars
- Position from the Sun: Fourth planet
- Type: Rocky/terrestrial planet
- Red colour: Mainly due to iron oxide (rust)
- Moons: Phobos and Deimos
- Atmosphere: Mainly carbon dioxide
Why the Other Answers Are Not Correct:
A. Venus:
Venus is the second planet from the Sun and is the hottest planet in the Solar System. It is not known as the Red Planet.
B. Jupiter:
Jupiter is the largest planet in the Solar System and is a gas giant. Its appearance is characterized by bands of clouds and the Great Red Spot, but Jupiter itself is not called the Red Planet.
D. Saturn:
Saturn is the sixth planet from the Sun and is famous for its prominent ring system. It is a gas giant and is not known as the Red Planet.
6. Who was the first President of India?
Answer: B. Dr. Rajendra Prasad
Explanation:
Dr. Rajendra Prasad was the first President of India. He served as President from 26 January 1950 to 13 May 1962, making him the only President of India to serve two complete terms.
Before becoming President, Dr. Rajendra Prasad was actively involved in India’s freedom movement and worked closely with Mahatma Gandhi. He also served as the President of the Constituent Assembly, which was responsible for framing the Constitution of India. After the Constitution came into force on 26 January 1950, he became the country’s first President.
Points to Remember:
- First President of India: Dr. Rajendra Prasad
- Term: 1950–1962
- First President after the Constitution came into force: 26 January 1950
- President of the Constituent Assembly: Dr. Rajendra Prasad
- Number of terms served: Two complete terms
- Only President to serve two complete terms: Dr. Rajendra Prasad
Why the Other Answers Are Not Correct:
A. Sarvepalli Radhakrishnan:
Dr. Sarvepalli Radhakrishnan was the second President of India. He served as President from 1962 to 1967 and is also remembered for his contributions as a philosopher and educator.
C. Nehru:
Jawaharlal Nehru was the first Prime Minister of independent India, serving from 1947 until 1964. He was not the first President of India.
D. Ambedkar:
Dr. B. R. Ambedkar was the Chairman of the Drafting Committee of the Constituent Assembly and played a major role in framing the Constitution. He did not serve as President of India.
7. National Animal of India is:
Answer: C. Tiger
Explanation:
The Tiger is the National Animal of India. The tiger is known for its strength, agility, courage, and distinctive appearance. It holds an important place in India’s wildlife and natural heritage.
India adopted the tiger as its national animal in 1973. The same year, the Government of India launched Project Tiger to protect the country’s tiger population and conserve its natural habitats. The tiger is also an apex predator, meaning it plays an important role in maintaining the balance of forest ecosystems.
Points to Remember:
- National Animal of India: Bengal Tiger
- Scientific name: Panthera tigris
- Project Tiger launched: 1973
- Type: Carnivorous mammal
- Role in ecosystem: Apex predator
- Habitat: Forests, grasslands, and mangrove ecosystems
Why the Other Answers Are Not Correct:
A. Lion:
The Asiatic Lion is an important wild animal of India and is mainly found in Gir National Park and Wildlife Sanctuary in Gujarat. However, the lion is not India’s national animal.
B. Elephant:
The Indian Elephant is a major wildlife species and is recognised as India’s National Heritage Animal. However, it is not the national animal.
D. Leopard:
The leopard is a widely distributed wild cat found in many parts of India. It is an important predator, but it is not the national animal of India.
8. Which ocean is the largest in the world?
Answer: D. Pacific Ocean
Explanation:
The Pacific Ocean is the largest and deepest ocean in the world. It covers an area of approximately 165 million square kilometres, extending from the Arctic region in the north to the Southern Ocean in the south. It lies between Asia and Australia on the western side and North and South America on the eastern side.
The Pacific Ocean contains thousands of islands and is also home to the Mariana Trench, which contains Challenger Deep, the deepest known point in Earth’s oceans. The Pacific plays an important role in global climate, ocean currents, marine ecosystems, and international trade.
Points to Remember:
- Largest ocean: Pacific Ocean
- Approximate area: 165 million km²
- Deepest ocean: Pacific Ocean
- Deepest point: Challenger Deep
- Location: Between Asia–Australia and the Americas
- Mariana Trench: Located in the western Pacific Ocean
Why the Other Answers Are Not Correct:
A. Indian Ocean:
The Indian Ocean is the third-largest ocean in the world. It lies between Africa, Asia, Australia, and the Southern Ocean.
B. Atlantic Ocean:
The Atlantic Ocean is the second-largest ocean. It separates the Americas from Europe and Africa and is an important route for international shipping.
C. Arctic Ocean:
The Arctic Ocean is the smallest and shallowest of the five major oceans. It surrounds the Arctic region and is largely covered by sea ice during much of the year.
9. The official language of Tamil Nadu is:
Answer: D. Tamil
Explanation:
Tamil is the official language of Tamil Nadu. It is one of the world’s oldest surviving classical languages and has a rich literary tradition spanning many centuries. Tamil is widely used in government administration, education, media, literature, and everyday communication throughout the state.
Tamil was declared a Classical Language of India in 2004, recognising its ancient history, independent literary tradition, and significant body of classical literature. Tamil is also one of the official languages of the Union Territory of Puducherry and is an official language in Sri Lanka and Singapore.
Points to Remember:
- Official language of Tamil Nadu: Tamil
- Language family: Dravidian
- Classical Language status in India: 2004
- Major classical work: Thirukkural
- Script: Tamil script
Why the Other Answers Are Not Correct:
A. English:
English is used for various official, educational, legal, and administrative purposes in India, but it is not the official language of Tamil Nadu.
B. Hindi:
Hindi is one of the official languages of the Union Government of India, but it is not the official language of Tamil Nadu.
C. Sanskrit:
Sanskrit is an important classical language of India with a rich ancient literary tradition. However, it is not the official language of Tamil Nadu.
10. Who invented the telephone?
Answer: C. Alexander Graham Bell
Explanation:
Alexander Graham Bell is widely credited with inventing the practical telephone. In 1876, Bell was granted a patent for an apparatus designed to transmit human speech electrically over a distance. His work demonstrated that spoken words could be converted into electrical signals, transmitted through a wire, and converted back into sound.
The invention of the telephone was the result of developments by several scientists and inventors, but Bell is traditionally credited in general knowledge and examination questions because of his successful development and patent of the telephone in 1876.
Points to Remember:
- Inventor traditionally credited: Alexander Graham Bell
- Telephone patent: 1876
- Main purpose: Transmission of human speech over a distance
- Technology involved: Electrical transmission of sound
- Alexander Graham Bell: Scottish-born inventor and scientist
Why the Other Answers Are Not Correct:
A. Edison:
Thomas Alva Edison was a famous American inventor associated with important inventions and improvements such as the phonograph and practical electric lighting. He did not invent the telephone.
B. Newton:
Sir Isaac Newton was an English scientist best known for his work on laws of motion and universal gravitation. His work belongs mainly to physics and mathematics, not the invention of the telephone.
D. Marconi:
Guglielmo Marconi was an Italian inventor and pioneer of wireless telegraphy and radio communication. He is associated with the development of practical radio communication, not the telephone.
Further Reading:
For more information and the complete syllabus, refer to the official TNPSC Group 4 syllabus.
👉 Official TNPSC Group 4 Syllabus
