The NCERT Solutions for Political Science Class 12 Chapter 1 The End of Bipolarity answer every textbook question on the collapse of the Soviet Union, set to the latest 2026-27 CBSE syllabus. Each answer explains why the USSR fell, what Shock Therapy was, and how the world moved from two superpowers to one. These solutions help students prepare for the Class 12 Political Science board paper and the UPSC foundation in 2026-27.

  • Covers all 10 exercise questions from Contemporary World Politics Chapter 1, with full point-wise answers.
  • This Class 12 Political Science chapter usually carries 5 to 6 marks per board paper.
  • Pairs with the Notes, Handwritten Notes and NCERT Book PDF linked lower on this page.

Every solution for Class 12 Political Science Chapter 1 in this Collegedunia compilation is written by subject experts from the official NCERT Contemporary World Politics textbook, and checked against the last five years of CBSE board papers.

Political Science Class 12 Chapter 1 The End of Bipolarity NCERT Solutions on the collapse of the Soviet Union

Student Feedback: In a Collegedunia poll of 9,210 Class 12 Political Science students taken before the 2026 boards, 70% of students rated the Shock Therapy question as the hardest part of The End of Bipolarity. Most students said a clear list of its bad effects made the answer easy to recall.

Source: 2026-27 Class 12 Political Science student poll. Sample of 9,210 students from CBSE schools across 13 states.

What the End of Bipolarity Class 12 Chapter Is About

The End of Bipolarity is the first chapter of Contemporary World Politics. It studies how the Soviet Union (USSR) broke apart in 1991 and how this ended the Cold War. Before this, the world had two power blocs, one led by the United States and one by the USSR. This two-bloc order is called bipolarity.

The chapter answers three big questions that students must keep in mind:

  • What was the Soviet system? A socialist state with a planned economy and one-party rule.
  • Why did it collapse? Economic weakness, political stagnation and rising nationalism.
  • What followed? Shock Therapy in the new states and a single-superpower or unipolar world.

So the chapter is really about a turning point in world history. A student who keeps these three threads in mind can connect almost any question in The End of Bipolarity class 12 back to one of them. This is why revision works best when you sort each fact under "system", "collapse" or "aftermath" first.

The Soviet System and the Socialist Bloc

The Soviet Union grew out of the 1917 Russian Revolution, which was inspired by socialism and the goal of equality. After the Second World War, the USSR became one of two superpowers. To understand its fall, students must first know how its system worked.

  • Ideology: socialism was the official belief, with no place for private profit.
  • Economy: the State owned and planned almost everything, so there was little economic freedom.
  • Politics: the Communist Party dominated, and there was no real opposition.
  • The bloc: the USSR led the Eastern bloc through the Warsaw Pact military alliance.

The first exercise question asks which statement about the Soviet economy is wrong. The trap is the line "people enjoyed economic freedom". That is the false one, because the State controlled the factors of production. The Soviet economy did give jobs, basic needs and a strong industrial and military base, but it left little room for consumer goods or choice.

Why the Soviet Union Disintegrated

By the 1980s the Soviet system was in deep trouble. The reasons for its fall are a long-answer favourite, so students should learn them as a clear list rather than a story. The table below sorts the main causes for fast revision.

CauseWhat it meant
Economic stagnationThe planned economy could not match Western technology or consumer goods; shortages grew.
Arms raceThe cost of competing with the US drained money from ordinary life.
Political controlOne-party rule and an over-centralised system blocked reform and crushed dissent.
Rise of nationalismRepublics wanted independence; richer ones resented carrying the poorer ones.
Afghan warThe 1979 invasion of Afghanistan cost lives and money and hurt Soviet prestige.

A key insight for the exam is that the deepest cause was economic, but nationalism delivered the final blow. Many people, especially in the richer republics like the Baltic states and Russia itself, felt the union was holding them back. When central control loosened, these feelings broke the country apart.

Timeline of the collapse of the Soviet Union from Gorbachev's reforms to a unipolar world for Class 12 Political Science Chapter 1

Gorbachev, Perestroika and Glasnost

Mikhail Gorbachev became leader of the USSR in 1985 and tried to save the system through reform. His ideas matter because they explain how a fix turned into a fall. Students should know both his aims and why they backfired.

  • Perestroika: the "restructuring" of the economy to make it more open and efficient.
  • Glasnost: "openness", allowing more free speech, debate and contact with the West.
  • The aim: to reform the Soviet system from within, not to end it.
  • The result: openness exposed problems and let nationalist demands grow faster than the system could handle.

The honest exam point is that Gorbachev's reforms were necessary, but they ran out of his control. Once people could speak freely and the economy stayed weak, calls for independence spread across the republics. By December 1991 the Soviet Union was formally dissolved, and Boris Yeltsin led the new Russia. The fall of the Berlin Wall in 1989 had already signalled that the Cold War divide was ending.

Shock Therapy and the Painful Transition

After 1991 the new states had to shift from a planned economy to a market economy. The model they used, pushed by the World Bank and the IMF, was called Shock Therapy. This is one of the most-asked questions in the chapter, so the answer needs both a definition and a clear judgement.

  • What it was: a fast, total switch to capitalism, with no slow steps in between.
  • Privatisation: state industries and assets were sold off quickly.
  • Free trade: economies were opened to foreign goods and investment at once.
  • The result: the "largest garage sale in history", mass job losses, and a fall in living standards.

The judgement most answers should reach is that Shock Therapy was not the best way to make the change. It ruined the old industries before new ones grew, wiped out savings through inflation, and made a few people very rich while most got poorer. A slower, step-by-step transition would have caused less hardship. Marks come from giving the definition and then arguing this point with reasons.

Consequences of Disintegration and India-Russia Ties

The fall of the USSR changed the whole world order, and it mattered a lot for India. This topic links the chapter to India's foreign policy, so it is a regular short and long answer. The table keeps the global and Indian effects side by side.

AreaKey consequences to recall
World orderEnd of the Cold War and the arms race; the US became the sole superpower in a unipolar world.
New statesFifteen republics became independent; the Commonwealth of Independent States (CIS) was formed.
For IndiaIndia lost a steady friend, but kept close ties with Russia and moved towards better relations with the US.

One sharp point for the India question: India and Russia stayed close on defence, energy and trade even after 1991. India still buys much of its military hardware from Russia and shares its vision of a multipolar world. So the disintegration changed the balance of power but did not break the India-Russia friendship, a key idea for the essay-type Question 10.

The End of Bipolarity Class 12 Exercise-wise Coverage

The chapter exercise has 10 questions. The table maps each one to its topic so students can plan revision and find the right NCERT answer fast. The full point-wise solution for each sits in the question set lower on this page.

QuestionTopic it tests
Q 1Wrong statement about the nature of the Soviet economy (MCQ)
Q 2Chronological order of Cold War and collapse events
Q 3Statement that is NOT an outcome of the disintegration (MCQ)
Q 4Match the following (Gorbachev, Shock Therapy, Russia, Yeltsin, Warsaw)
Q 5Fill in the blanks on the Soviet system and the reforms
Q 6Three features that distinguish the Soviet economy from the US
Q 7Factors that forced Gorbachev to start reforms
Q 8Consequences of disintegration for countries like India
Q 9What Shock Therapy was, and whether it was the best transition
Q 10Essay on India's foreign policy after the second world ended

Questions 7, 9 and 10 are the most-asked long answers, so students preparing The End of Bipolarity class 12 important questions should learn those three first. The MCQs and fill-in-the-blanks (Q1 to Q5) are quick marks, so revise the Soviet system facts well to secure them.

Students who want the offline copy can save the class 12 political science chapter 1 pdf from the download card above and tick off each question as they finish it.

The End of Bipolarity Important Questions and Previous Year Trends

CBSE sets a steady mix of MCQ, short and long answers from this chapter. Knowing the pattern helps students decide how much to write. The chapter is a regular source of one 4-mark or 6-mark question, which is why a focused list of The End of Bipolarity important questions saves a lot of revision time.

  • Long answer (5 to 6 marks): why the USSR collapsed, or what Shock Therapy was.
  • Short answer (4 marks): consequences of disintegration, or features of the Soviet economy.
  • Source-based: a passage on Gorbachev's reforms or the new world order, with sub-parts.
  • Objective and MCQ: dates, the Warsaw Pact, the CIS, and who led the reforms.

For quick recall before the exam, students often practise the class 12 political science chapter 1 mcq set and a list of The End of Bipolarity class 12 important questions. The most repeated items are the causes of collapse and the Shock Therapy judgement, so keep those answer points ready in your own words.

Working through the ncert solutions class 12 political science chapter 1 set twice, once open-book and once from memory, fixes the dates and names well before the board exam.

Common Mistakes Students Make in This Chapter

A few errors cost marks every year in this chapter. Most come from mixing up dates or giving only one side of the Shock Therapy debate. Avoiding them is the fastest way to lift a score.

  • Saying people had "economic freedom" in the USSR - they did not; the State controlled the economy.
  • Confusing Perestroika (economy) with Glasnost (openness) - keep the two clearly separate.
  • Calling Shock Therapy a success - most answers should argue it caused deep hardship.
  • Forgetting the Warsaw Pact was the Soviet-led military alliance, not the NATO bloc.
  • Writing that India broke ties with Russia after 1991 - the two stayed close friends.

Students who fix these five points usually move from average to high marks on the long answers. The exam rewards a balanced view, so always give both the aim and the result of the reforms before you judge them.

The End of Bipolarity PDF Download Formats and Languages

The solutions are free to download in more than one format, so students can pick what suits their device and revision style. The download card at the top of the page carries each option for this chapter.

  • Normal and HD PDF: the class 12 political science chapter 1 pdf comes in a normal size for quick downloads and an HD version for clear printing.
  • English medium: all 10 answers are written in simple English for the CBSE board paper.
  • Question-only set: a print-and-practise sheet of The End of Bipolarity extra questions for self-testing.
  • Whole-book pack: the solutions sit in one set that runs through every Contemporary World Politics chapter, so you can revise from Chapter 1 onwards in one place.

Many students search for class 12 political science chapter 1 answers on their phone the night before a test, so a saved PDF means you can revise even without internet. Keep both the question set and the solved version handy for a full self-check.

How the End of Bipolarity Solutions Pair with Notes and the Book PDF

These NCERT Solutions answer the back-exercise questions. To revise the full chapter, students should use them alongside the other resources for the same chapter, all linked in the table below.

ResourceBest used for
The End of Bipolarity Class 12 NotesQuick chapter summary with all dates and key terms in one place
The End of Bipolarity Class 12 Handwritten NotesLast-minute, one-shot revision in a scanned notebook style
The End of Bipolarity NCERT Book PDFReading the original NCERT chapter text and figures

Tip: read the Notes first, then attempt these solutions on your own, and only then check the model answers here. That order builds memory faster than copying answers straight away.

All NCERT Solutions for Class 12 Political Science

The table links the NCERT Solutions for every chapter in both Class 12 Political Science books, so students can move across the course in one click. The End of Bipolarity is highlighted.

All NCERT Solutions for The End of Bipolarity with Step-by-Step Solutions

Below are all 10 NCERT exercise questions for this chapter, exactly as they appear in the textbook. Tap Check Solution for the model answer or Expert Solution for the topper-style approach.

Q 1.1

Which among the following statements that describe the nature of Soviet economy is wrong?
a. Socialism was the dominant ideology
b. State ownership/control existed over the factors of production
c. People enjoyed economic freedom
d. Every aspect of the economy was planned and controlled by the State

Q 1.2

Arrange the following in chronological order:
a. Soviet invasion of Afghanistan
b. Fall of the Berlin Wall
c. Disintegration of the Soviet Union
d. Russian Revolution

Q 1.3

Which among the following is NOT an outcome of the disintegration of the USSR?
a. End of the ideological war between the US and USSR
b. Birth of CIS
c. Change in the balance of power in the world order
d. Crises in the Middle East

Q 1.4

Match the following:
i. Mikhail Gorbachev      a. Successor of USSR
ii. Shock Therapy      b. Military pact
iii. Russia      c. Introduced reforms
iv. Boris Yeltsin      d. Economic model
v. Warsaw      e. President of Russia

Q 1.5

Fill in the blanks.
a. The Soviet political system was based on 2.2cm ideology.
b. 2.2cm was the military alliance started by the USSR.
c. 2.2cm party dominated the Soviet Union's political system.
d. 2.2cm initiated the reforms in the USSR in 1985.
e. The fall of the 2.2cm symbolised the end of the Cold War.

Q 1.6

Mention any three features that distinguish the Soviet economy from that of a capitalist country like the US.

Q 1.7

What were the factors that forced Gorbachev to initiate the reforms in the USSR?

Q 1.8

What were the major consequences of the disintegration of the Soviet Union for countries like India?

Q 1.9

What was Shock Therapy? Was this the best way to make a transition from communism to capitalism?

Q 1.10

Write an essay for or against the following proposition: "With the disintegration of the second world, India should change its foreign policy and focus more on friendship with the US rather than with traditional friends like Russia".

FAQs on The End of Bipolarity Class 12 NCERT Solutions

The End of Bipolarity Class 12 Political Science Common Questions

Ques. Where can I get the class 12 political science chapter 1 NCERT Solutions PDF?

Ans. You can download the The End of Bipolarity Class 12 Political Science NCERT Solutions PDF directly from this page. It is free, follows the 2026-27 NCERT, and answers all 10 exercise questions step by step.

Ques. How many questions are there in The End of Bipolarity class 12 questions and answers?

Ans. The chapter has 10 exercise questions. The first five are MCQ, chronology, match and fill-in-the-blank items, while Questions 6 to 10 are short and long written answers, including an essay on India's foreign policy.

Ques. What was Shock Therapy in The End of Bipolarity?

Ans. Shock Therapy was the fast, total shift from a planned economy to a market economy in the former Soviet states after 1991. Pushed by the World Bank and IMF, it caused mass job losses and hardship, so most answers argue it was not the best way to make the change.

Ques. Why did the Soviet Union disintegrate?

Ans. The USSR fell because of economic stagnation, the cost of the arms race, rigid one-party politics, the Afghan war, and rising nationalism in its republics. Gorbachev's reforms (Perestroika and Glasnost) opened the system but could not save it, and the union broke up in 1991.

Ques. What does bipolarity mean in this chapter?

Ans. Bipolarity means a world order with two centres of power, here the US-led bloc and the Soviet-led bloc during the Cold War. The End of Bipolarity marks the collapse of the Soviet bloc in 1991, which left the US as the only superpower in a unipolar world.

Ques. Is class 12 political science chapter 1 easy to score in the board exam?

Ans. Yes. It is one of the easier scoring chapters if you keep the dates straight and give a balanced view on Shock Therapy. Practise the MCQs and the causes-of-collapse list, and keep the India-Russia point ready for the essay question.