Chapter-3 Climates of India — Online MCQ Test
SOCIAL · Grade 7 · CBSE(NCERT)
Practice Chapter-3 Climates of India with a free chapter-wise online MCQ test.
This chapter covers: monsoon - climatic zones - seasonal variations - tropical climate - temperate zones - orographic rainfall.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter-3 Climates of India — Important Questions & Answers
What is the monsoon?
- A. A seasonal wind that brings heavy rainfall to India
- B. A type of tropical disease
- C. A cold ocean current
- D. A mountain range in northern India
Answer: A. A seasonal wind that brings heavy rainfall to India
The monsoon is a seasonal wind pattern that dominates India's climate and brings heavy rainfall, particularly during summer months.
The monsoon is a seasonal wind pattern that dominates India's climate and brings heavy rainfall, particularly during summer months.
During which season does the Southwest Monsoon occur in India?
- A. Winter (December-February)
- B. Summer (June-September)
- C. Spring (March-May)
- D. Autumn (October-November)
Answer: B. Summer (June-September)
The Southwest Monsoon occurs during summer months (June-September) and is responsible for bringing most of India's annual rainfall.
The Southwest Monsoon occurs during summer months (June-September) and is responsible for bringing most of India's annual rainfall.
Which of the following is a characteristic of tropical climate?
- A. Very cold winters and mild summers
- B. High temperature and high humidity throughout the year
- C. Low rainfall and dry conditions
- D. Seasonal snow and frost
Answer: B. High temperature and high humidity throughout the year
Tropical climate is characterized by high temperatures and high humidity throughout the year, with significant rainfall.
Tropical climate is characterized by high temperatures and high humidity throughout the year, with significant rainfall.
What is orographic rainfall?
- A. Rainfall caused by convection currents
- B. Rainfall caused by mountains blocking moist wind and forcing air to rise
- C. Rainfall caused by ocean evaporation
- D. Rainfall caused by cold fronts
Answer: B. Rainfall caused by mountains blocking moist wind and forcing air to rise
Orographic rainfall occurs when moist winds are forced to rise over mountains, cool, and release moisture as precipitation.
Orographic rainfall occurs when moist winds are forced to rise over mountains, cool, and release moisture as precipitation.
Why does the Western Ghats receive more rainfall than the Deccan Plateau on its eastern side?
- A. The Western Ghats are closer to the equator
- B. Orographic rainfall causes moisture-laden winds to rise and release rain on the windward side
- C. The Deccan Plateau receives rainfall from local convection
- D. The eastern side is higher in elevation
Answer: B. Orographic rainfall causes moisture-laden winds to rise and release rain on the windward side
The Western Ghats face the monsoon winds directly and cause orographic rainfall; the Deccan Plateau lies in the rain shadow zone receiving less rainfall.
The Western Ghats face the monsoon winds directly and cause orographic rainfall; the Deccan Plateau lies in the rain shadow zone receiving less rainfall.
How does altitude affect temperature in Indian climatic zones?
- A. Altitude has no effect on temperature
- B. Temperature increases with altitude
- C. Temperature decreases with altitude at approximately 1°C per 165 meters
- D. Temperature remains constant regardless of altitude
Answer: C. Temperature decreases with altitude at approximately 1°C per 165 meters
Generally, temperature decreases with increasing altitude in mountainous regions due to thinner atmosphere and reduced atmospheric pressure.
Generally, temperature decreases with increasing altitude in mountainous regions due to thinner atmosphere and reduced atmospheric pressure.
Analyze the climate of Kerala and Rajasthan. Why are they so different despite being in the same country?
- A. They are at different latitudes and altitudes
- B. Kerala receives Southwest Monsoon winds directly on its windward coast, while Rajasthan is in the rain shadow zone of the Aravalli Hills
- C. Kerala is warmer because it is closer to the ocean
- D. Rajasthan receives more rainfall but appears dry
Answer: B. Kerala receives Southwest Monsoon winds directly on its windward coast, while Rajasthan is in the rain shadow zone of the Aravalli Hills
Kerala's coastal location faces monsoon winds directly, receiving 250+ cm rainfall; Rajasthan is inland and rain-shadowed, receiving less than 50 cm annually.
Kerala's coastal location faces monsoon winds directly, receiving 250+ cm rainfall; Rajasthan is inland and rain-shadowed, receiving less than 50 cm annually.
If a region experiences orographic rainfall on the windward slope, what would be the rainfall pattern on the leeward slope?
- A. Similar to the windward slope
- B. Much higher rainfall
- C. Much lower rainfall due to rain shadow effect
- D. Unpredictable rainfall pattern
Answer: C. Much lower rainfall due to rain shadow effect
Leeward slopes experience rain shadow effect with significantly lower rainfall because air descends and warms, reducing moisture content.
Leeward slopes experience rain shadow effect with significantly lower rainfall because air descends and warms, reducing moisture content.
A weather station records: Station A (coastal) - 26°C average, 320 cm rainfall; Station B (interior plateau) - 28°C average, 80 cm rainfall. Which climatic phenomenon BEST explains this difference?
- A. Both stations are in the same climatic zone
- B. Station B experiences stronger monsoon winds
- C. Orographic effects of mountain ranges create differential rainfall; ocean proximity moderates coastal temperatures while interior experiences extreme conditions
- D. Latitude differences account for all variations
Answer: C. Orographic effects of mountain ranges create differential rainfall; ocean proximity moderates coastal temperatures while interior experiences extreme conditions
Coastal Station A benefits from ocean moderation and receives monsoon moisture; interior Station B is rain-shadowed and experiences more extreme temperatures.
Coastal Station A benefits from ocean moderation and receives monsoon moisture; interior Station B is rain-shadowed and experiences more extreme temperatures.
Consider two hypothetical scenarios: (1) If Western Ghats did not exist, (2) If Southwest Monsoon reversed direction. Which consequence would be MOST severe for India's agriculture?
- A. Scenario 1 - Western Ghats existence is irrelevant to rainfall
- B. Scenario 2 - Monsoon reversal would completely alter rainfall patterns causing widespread drought in currently wet regions and floods in currently dry regions
- C. Both scenarios would have equal minor impact
- D. Neither scenario would significantly affect agriculture
Answer: B. Scenario 2 - Monsoon reversal would completely alter rainfall patterns causing widespread drought in currently wet regions and floods in currently dry regions
Monsoon reversal would catastrophically redistribute India's rainfall, causing famine in agricultural heartlands and paradoxical flooding in deserts, collapsing food security.
Monsoon reversal would catastrophically redistribute India's rainfall, causing famine in agricultural heartlands and paradoxical flooding in deserts, collapsing food security.