📘 Geography Optional – Paper I
Page 7 – Air Masses, Fronts & Cyclones
Q1. Define Air Mass. Explain its classification. (15 Marks)
- Large body of air with uniform temperature & humidity
- Maritime (m) – Moist
- Continental (c) – Dry
- Tropical (T), Polar (P), Arctic (A)
Q2. What is a Front? Describe its types. (15 Marks)
- Cold Front
- Warm Front
- Occluded Front
- Stationary Front
Q3. Explain the Polar Front Theory of Cyclones. (15 Marks)
- Developed by Bjerknes
- Warm & Cold air mass interaction
- Wave formation → Mature stage → Occlusion
Q4. Differentiate between Tropical and Temperate Cyclones. (10 Marks)
| Tropical Cyclone | Temperate Cyclone |
|---|---|
| Warm core | Cold core |
| Form over warm oceans | Form along fronts |
| Eye present | No clear eye |
Q5. Explain the formation of Tropical Cyclones. (15 Marks)
- Sea surface temperature above 26.5°C
- Low vertical wind shear
- Coriolis force
- Latent heat release
Q6. Discuss Anti-cyclones and their characteristics. (10 Marks)
- High pressure center
- Diverging winds
- Clear skies
- Stable weather
Q7. What is Thunderstorm? Explain its stages. (10 Marks)
- Cumulus stage
- Mature stage
- Dissipating stage
Q8. Explain Western Disturbances and their impact on India. (15 Marks)
- Origin in Mediterranean region
- Winter rainfall in North India
- Important for Rabi crops
Q9. Discuss the concept of Atmospheric Stability and Instability. (10 Marks)
- Environmental lapse rate
- Adiabatic lapse rate
- Conditional instability
Q10. Evaluate the impact of cyclones on coastal regions. (15 Marks)
- Storm surge
- Heavy rainfall
- Infrastructure damage
- Need for disaster preparedness
📊 Page 7 Complete | Total Questions So Far: 70 / 1000
.png)
No comments:
Post a Comment