Social Science · Class 11
Geography: Climate
Learn Geography: Climate with notes, examples, and practice questions.
4 sections15–25 min read6 MCQs · 2 examples
Chapter Overview
Climate chapter studies atmosphere structure, solar radiation, pressure belts, winds, monsoons, and climatic classification — explaining weather patterns and regional climates including India's monsoon system.
Atmosphere
- Troposphere — weather phenomena
- Stratosphere — ozone layer
- Insolation varies with latitude and season
- Greenhouse effect and global warming
Pressure and Winds
- Equatorial low, subtropical high pressure belts
- Trade winds, westerlies, polar easterlies
- Jet streams affect weather systems
- Coriolis effect deflects winds
Indian Monsoon
- SW monsoon June–Sept; NE monsoon Oct–Dec on SE coast
- ITCZ shift; high pressure over Tibet
- El Niño can weaken monsoon
- Köppen classification of world climates
Solved Examples
Step-by-step solutions — read each step before checking the final answer.
Monsoon mechanism
Why does India get southwest monsoon in summer?
- 1Land heats faster than sea — low pressure over India
- 2Moist winds blow from high-pressure ocean to land
Answer
Differential heating draws moist winds from sea
Greenhouse effect
What causes global warming?
- 1CO₂ and other gases trap outgoing heat
- 2Enhanced greenhouse effect raises temperatures
Answer
Greenhouse gases trap heat in atmosphere
Key Points to Remember
- ✓ Climate is long-term weather pattern
- ✓ Monsoon vital for Indian agriculture
- ✓ Pressure belts shift seasonally
- ✓ Climate change is global challenge
Exam Tips
- • Draw pressure-wind diagram
- • Explain ITCZ shift
- • Effects of El Niño on monsoon
Practice MCQs — Geography: Climate
Test your understanding with topic-wise multiple choice questions. Explanations appear after each answer.
Question 1 of 6Score: 0/0
Weather occurs in: