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Class 9 Social Science quiz with NCERT-based explanations, important facts, exam-oriented notes, and quick revision points for effective learning.
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Q1. The ‘Jacobin Club’ was named after the former convent of St. Jacob in?
Correct Answer: Paris
Detailed Explanation
The Jacobin Club was one of the most influential political groups during the French Revolution. Its members held meetings in a former convent of St. Jacob in Paris, which is how the club got its name. The Jacobins played a major role in shaping revolutionary policies and promoting equality. Maximilian Robespierre was one of its most prominent leaders.

Important NCERT Points
- The Jacobin Club was a revolutionary political group.
- It was based in Paris during the French Revolution.
- Robespierre was a leading Jacobin leader.
Exam-Oriented Fact
The Jacobins supported the idea of a republic and opposed monarchy.
Quick Revision Line
The Jacobin Club got its name from the St. Jacob convent in Paris.
Q2. Which river is known as the ‘Sorrow of Bihar’?
Correct Answer: Kosi
Detailed Explanation
The Kosi River is called the “Sorrow of Bihar” because it frequently changes its course and causes severe floods in northern Bihar. These floods damage crops, homes, and infrastructure. The river carries a large amount of silt from the Himalayas, which contributes to flooding and river channel shifts.

Important NCERT Points
- Kosi originates in the Himalayas.
- It is a tributary of the Ganga.
- Frequent flooding affects Bihar significantly.
Exam-Oriented Fact
The Kosi River has shifted its course several times over the past centuries.
Quick Revision Line
Kosi River is known as the “Sorrow of Bihar” due to frequent floods.
Q3. Who among the following was not a member of the Constituent Assembly?
Correct Answer: Mahatma Gandhi
Detailed Explanation
Mahatma Gandhi was not a member of the Constituent Assembly that drafted the Constitution of India. However, his ideas greatly influenced many leaders who participated in the Assembly. Dr. B.R. Ambedkar, Rajendra Prasad, and K.M. Munshi were important members involved in constitution-making.

Important NCERT Points
- The Constituent Assembly drafted the Indian Constitution.
- Dr. B.R. Ambedkar chaired the Drafting Committee.
- Rajendra Prasad served as the President of the Assembly.
Exam-Oriented Fact
The Constitution of India was adopted on 26 November 1949.
Quick Revision Line
Mahatma Gandhi was not a member of the Constituent Assembly.
Q4. What is the main cause of the growth of human capital?
Correct Answer: Investment in education and health
Detailed Explanation
Human capital grows when people receive better education, healthcare, and skill development opportunities. Educated and healthy individuals are more productive and contribute effectively to economic growth. Investment in human capital improves living standards and strengthens the workforce of a country.

Important NCERT Points
- Education improves knowledge and skills.
- Healthcare increases productivity and efficiency.
- Human capital contributes to economic development.
Exam-Oriented Fact
Human capital is considered one of the most valuable resources of a nation.
Quick Revision Line
Education and health investments are the main sources of human capital growth.
Q5. When was the ‘Treaty of Versailles’ signed?
Correct Answer: 1919
Detailed Explanation
The Treaty of Versailles was signed on 28 June 1919 after the end of the First World War. The treaty imposed strict conditions on Germany, including territorial losses, military restrictions, and reparations. These harsh terms created dissatisfaction in Germany and later contributed to political instability.

Important NCERT Points
- The treaty formally ended World War I.
- Germany was held responsible for the war.
- Severe penalties were imposed on Germany.
Exam-Oriented Fact
The Treaty of Versailles was signed in the Palace of Versailles in France.
Quick Revision Line
The Treaty of Versailles was signed in 1919 after World War I.
One-Line Revision Sheet
- The Jacobin Club was named after the St. Jacob convent in Paris.
- Kosi River is called the “Sorrow of Bihar.”
- Mahatma Gandhi was not a member of the Constituent Assembly.
- Human capital grows through education and health investments.
- The Treaty of Versailles was signed in 1919.
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