UPSC Prelims – Final Revision (Page 5)

 Ocean Currents • Monsoon • Climate Zones

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Quick one-liners for last-minute revision. These points are highly important for UPSC Prelims.

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 Ocean Currents

• Ocean Currents → Continuous movement of seawater
• Warm Currents → Increase coastal temperature and humidity
• Cold Currents → Bring nutrients → High fish production
• Upwelling → Nutrient-rich water rises to surface
• Mixing Zones → Maximum marine productivity

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Monsoon

• Monsoon → Seasonal reversal of winds
• SW Monsoon → Main rainfall in India
• NE Monsoon → Rainfall in Tamil Nadu
• ITCZ → Low pressure zone near equator
• El Niño → Weakens Indian monsoon

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Climate Zones

• Tropical Zone → High temperature and rainfall
• Temperate Zone → Moderate climate with seasons
• Polar Zone → Extremely cold conditions
• Latitude → Major factor determining climate
• Ocean Currents → Influence global climate patterns

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🎯 Final Exam Tricks

❄️ Cold Currents → Fish ↑
 Mixing Zones → Max Productivity 
🌧 Monsoon → Land vs Sea Heating
 Climate → Latitude + Winds + Currents

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 Last Tip

Revise this page before exam to quickly recall key concepts and improve accuracy.

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📚 Shaktimatha Learning

Revise • Recall • Crack UPSC