OPSC OCS Mains 2025 GS Paper 1 Analysis: OCS2024 vs 2025 Trends and RAYACADEMY IAS Test Series Reflections

Theme

2025 questions

Count

Odisha history, culture and heritage

Q1, Q2, Q5, Q6, Q13

5

Geography, climate and hazards

Q8, Q9, Q10, Q15

4

Indian society, tribes and urbanisation

Q7, Q11, Q12, Q17

4

Indian art, culture and modern history

Q3, Q4

2

Post-independence India

Q14

1

World geography and geostrategy

Q16

1

Theme

OCS 2024 GS 1

OCS 2025 GS 1

Change

Odisha history, culture and heritage

7 (Q2, Q3, Q5, Q10, Q11, Q12, Q13)

5

Down 2

Geography, climate and hazards

5 (Q1, Q7, Q9, Q14, Q17)

4

Down 1

Indian society, tribes and urbanisation

3 (Q4, Q8, Q15)

4

Up 1

Indian art, culture and modern history

2 (Q6, Q16)

2

No change

Post-independence India

0

1

Up 1

World geography and geostrategy

0

1

Up 1

Odisha-specific questions (across themes)

11

9

Down 2

Tribal-focused questions

0

3 (Q1, Q7, Q12)

Up 3

Current-affairs-linked questions

0

3 (Q13, Q16, Q17)

Up 3

Recurring theme

OCS 2024 GS 1

OCS 2025 GS 1

Odia literature

Q13: Odia literature and regional cultural identity

Q1: Literature and tribal traditions in Odisha's development

Odisha's anti-colonial resistance and identity

Q11: Creation of the separate province of Odisha in 1936; Q12: Paika Rebellion of 1817

Q2: Non-cooperation and Odia nationalism; Q5: Surendra Sai and 1857

Medieval Odisha's dynasties

Q3: Bhauma-Kara and Somavamsi dynasties

Q6: Gajapati rulers

ASI and heritage conservation

Q6: Role of the Archaeological Survey of India

Q13: ASI's sand removal at Konark

Climate change and physical geography

Q1: Global warming and melting of snow and ice

Q8: Anthropogenic climate change and ocean acidification

Geomorphic hazards

Q17: Geomorphic hazards and mitigation

Q10: Landslides in the Eastern Ghats

Indian National Movement

Q16: Final phase of the National Movement

Q4: Foundation of the INC and the Safety Valve theory

Section

OCS 2025 GS I question

RAYACADEMY IAS test question (Test No.)

Reflection analysis

Odisha culture

Q1. How far literature and tribal traditions influenced socio-economic development in Odisha?

Discuss the contribution of tribal and folk traditions in shaping the composite socio-cultural identity of Odisha. (Test 9, Q3)

Discuss the significance of the "Sabuja Yuga". Assess the contribution of the Panchasakha poets and later Riti-yuga writers to the growth of Odia literature. (Test 9, Q13)

Strong overlap (75%): We made our students write on both halves of this question, tribal traditions and Odia literature, in the same Odisha test.

Odisha history

Q2. Discuss the role of Non-cooperation movement in expanding the social base of Odia nationalism.

Examine the social bases of Odia nationalism and analyse the process of integration of princely states with special reference to the role of social reform movements in Odisha. (Test 9, Q9)

Discuss the nature and significance of the Praja Mandal Movement in the princely states of Odisha, and examine its contribution to the wider freedom struggle. (Test 9, Q8)

Strong overlap (80%): Our test asked about "the social bases of Odia nationalism", the exact phrase at the heart of this question. We guided our students to link mass movements to Odia identity.

Art and culture

Q3. Explain the major developments in Indian art forms during the Gupta period with suitable examples.

Explain how the Gupta period came to be regarded as the "Golden Age" of ancient Indian civilisation. (Test 7, Q6)

Strong overlap (75%): We trained our students on Gupta achievements in art, architecture and literature, the core of the "Golden Age" answer.

Modern India

Q4. Critically examine the foundation of the Indian National Congress in 1885, with special reference to the 'Safety Valve' theory.

Discuss the ideological differences between the Moderates and the Extremists within the Indian National Congress, and assess their combined contribution to the freedom struggle. (Test 8, Q6)

Trace the shift from Moderate to Extremist phases of the Indian National Movement, highlighting the contribution of leaders from different parts of the country in shaping early nationalist consciousness. (Test 22, Q14)

Partial overlap (45%) + classroom coverage: We tested the early Congress twice. In class, we covered the Safety Valve theory and its critiques in our modern India module.

Odisha history

Q5. 'Surendra Sai linked Odisha's resistance to the British with his role in the Great Revolt of 1857.' Critically examine it.

Evaluate the contribution of Vir Surendra Sai to the Revolt of 1857 in Odisha, and examine how the resistance in the region differed in character from the pan-Indian revolt. (Test 22, Q4)

Discuss the contribution of Veer Surendra Sai to the resistance against British rule. Why did his movement sustain for such a long period? (Test 9, Q6)

Very high overlap (95%): Same leader, same link to 1857, same analytical frame. We had our students write this answer twice, in a sectional test and a full-length test.

Odisha history

Q6. The Gajapati rulers of Odisha were great conquerors but failed to consolidate their empire in the long run. Discuss.

Discuss the significance of Gajapati rule, with special reference to Kapilendradeva and Purushottamadeva, in the political history of medieval Odisha. (Test 9, Q7)

The Eastern Gangas and Gajapatis transformed Odisha into a major political and cultural power. Examine. (Test 9, Q12)

Very high overlap (85%): We took our students through the Gajapati conquests of Kapilendradeva and Purushottamadeva and the reasons for their decline.

Odisha society

Q7. Highlight the major environmental adaptations of the Kondh tribal community of Odisha.

Examine how the tribal and agrarian festivals of Odisha reflect the region's ecological and social ethos. (Test 9, Q4)

Discuss the problems of tribal settlements in Odisha and suggest measures for sustainable development. (Test 4, Q10)

Strong overlap (70%): We trained our students on the ecological ethos of Odisha's tribes, with the Kondhs and shifting cultivation as a core example.

Geography

Q8. How anthropogenic activities are influencing present climatic conditions? What are the causes of ocean acidification?

Climate change has increased the frequency of extreme weather events. Discuss its implications for Odisha. (Test 4, Q4)

Coral reef ecosystems are increasingly threatened by infrastructure development, tourism, and climate change. Examine these challenges with reference to the Great Barrier Reef and the Andaman & Nicobar Islands. Suggest measures for their long-term protection. (Test 3, Q14)

Partial overlap (50%) + classroom coverage: We tested climate change and its ocean impacts. In class, we covered the carbon chemistry of ocean acidification.

Geography

Q9. The Circum Pacific region is geologically one of the most unstable parts of the world. Elaborate. Also discuss its energy and mineral resources.

Explain how plate tectonics has transformed our understanding of the distribution of continents, oceans, mountains and earthquakes. (Test 3, Q1)

Explain the causes and distribution of earthquakes in the world. Discuss the causes of earthquakes and explain the seismic zonation of India. (Test 3, Q17)

Discuss the geological and geographical factors responsible for the concentration of offshore petroleum reserves in specific regions of the world. Compare the characteristics, advantages, and challenges of offshore and onshore reserves. (Test 3, Q15)

Strong overlap (80%): One test covered both halves of this question: plate tectonics and earthquakes for the instability, and the geology of energy reserves for the resources.

Odisha geography

Q10. Discuss the geological causes of landslide in Eastern Ghats. Explain how development pressure and climate trigger landslide in Odisha.

What is a disaster? Classify the different types of disasters. Assess India's vulnerability to major geophysical hazards and critically evaluate the effectiveness of the country's disaster management framework. (Test 3, Q11)

What are flash floods? Discuss the major causes of flash floods in India and evaluate the effectiveness of existing disaster management measures in mitigating their impact. (Test 4, Q12)

Partial overlap (40%) + classroom coverage: We tested geophysical hazards and Odisha's disasters. In class, we covered landslides in the Eastern Ghats in our Odisha geography module.

Society

Q11. What are the emerging trends of urbanization in India? Discuss various issues associated with urban settings.

Analyse the relationship between urbanisation and social transformation in developing countries like India. (Test 3, Q7)

Discuss the causes and consequences of urbanization in India with special reference to Odisha. (Test 4, Q6)

"Rapid and unplanned urbanization is transforming cities into hotspots of environmental and social vulnerability." Discuss the major structural issues facing urban planning and suggest measures to foster climate-resilient cities. (Test 14, Q11)

Very high overlap (90%): We tested urbanisation in three different tests, so our students had trends, issues and solutions ready.

Society

Q12. Throw light on the Particularly Vulnerable Tribal Groups (PVTGs) in India and comment on the profile of prominent PVTGs of Odisha.

Examine the distribution and growth of tribal population in Odisha, and discuss the specific challenges faced by Particularly Vulnerable Tribal Groups (PVTGs). (Test 22, Q10)

What are Particularly Vulnerable Tribal Groups (PVTGs), which the Government of India wants to be counted separately in the Census? Discuss their features, origin of the category, and the significance of separate enumeration. (Test 11, Q16)

Very high overlap (95%): PVTGs in India and in Odisha, both halves of the question. We tested this in four different papers.

Odisha heritage

Q13. The ASI is taking steps for removal of sand filling of Konark Sun Temple. Discuss the causes of damage and destruction of the temple, its conservation in the past and the steps being taken by the ASI for sand removal.

Discuss the salient features of the Kalinga school of temple architecture and trace its development from the early Ganga to the Gajapati period, citing suitable examples. (Test 22, Q1)

Odisha's temple architecture represents the culmination of the Kalinga style of architecture. Examine its distinctive features with suitable examples. (Test 9, Q1)

Partial overlap (50%) + classroom coverage: We tested Kalinga temple architecture, with Konark as the culminating example. In our current affairs classes, we covered the ASI's sand removal work.

Post-independence

Q14. Critically examine the role of the States Reorganization Commission (SRC) of 1953 in resolving linguistic regionalism in India.

Explain the circumstances that led to the reorganisation of states on linguistic basis. Evaluate its impact on Indian federalism. (Test 8, Q10)

Discuss the process of political and administrative consolidation of India after independence, with special reference to the linguistic reorganization of states. (Test 22, Q15)

Very high overlap (90%): We made our students write on linguistic reorganisation twice, in a sectional test and a full-length test, with the SRC at the centre.

Odisha geography

Q15. Provide a detailed account of the environmental and social vulnerabilities of coastal communities of Odisha.

Coastal Odisha is witnessing significant shoreline change due to the interaction of cyclones, storm surges, sediment dynamics, sea-level rise and human intervention. Examine the geographical causes and socio-economic consequences of coastal erosion in Odisha. (Test 27, Q11)

Discuss the causes and impacts of cyclones on the coastal districts of Odisha. Suggest measures for disaster risk reduction. (Test 4, Q1)

Very high overlap (90%): We prepared our students on cyclones, coastal erosion and their socio-economic impact on coastal Odisha, the full answer to this question.

Geostrategy

Q16. Examine the geostrategic importance of Great Nicobar Island. Discuss the ambitious and massive Great Nicobar Project being undertaken by the Government. How does it deepen Beijing's "Malacca Dilemma"?

"Maritime chokepoints are not just geographical bottlenecks but are the neural nodes of global geopolitical power play." In light of this statement, evaluate the strategic significance of the Strait of Hormuz, the Strait of Malacca and Bab-el-Mandeb. How does India’s maritime strategy leverage these choke points to safeguard its national interests? (Test 3, Q13)

Strong overlap (75%): We trained our students on the Strait of Malacca and India's maritime strategy, the core of the Malacca Dilemma.

Society

Q17. Self-perceived identity is no more a criterion to treat someone as transgender. Discuss the changes and their impact on the socio-economic and psychological aspects of the transgender?

Define social empowerment. Examine how affirmative action policies, alongside digital inclusion, have facilitated the upward mobility of historically marginalized groups. (Test 14, Q14)

Partial overlap (20%) + classroom coverage: We tested the empowerment of marginalised groups. In our current affairs classes, we covered transgender rights and the recent change in identity criteria.

Match level

Questions

Count

Share

Very high overlap (85% and above)

Q5, Q6, Q11, Q12, Q14, Q15

6

35%

Strong overlap (70% to 84%)

Q1, Q2, Q3, Q7, Q9, Q16

6

35%

Partial overlap + classroom coverage

Q4, Q8, Q10, Q13, Q17

5

29%

Phase

Duration

Focus

Foundation

Months 1 to 4

NCERTs, Spectrum, G.C. Leong, Odisha history and culture, OCS GS 1 PYQs (2024 and 2025)

Integration

Months 5 to 8

Odisha geography, tribes and society; sectional tests; daily answer writing

Intensive

Months 9 to 12

Full-length tests and open mocks, revision, heritage and current affairs update