Chapter Exam

Chapter 11: World Climate and Climate Change — Online MCQ Test

Q: Which gas is commonly called the major greenhouse gas responsible for global warming?

Answer: A. Carbon dioxide — Carbon dioxide is one of the most important greenhouse gases because it absorbs and re-emits heat in the atmosphere, contributing significantly to warming.

Q: If a coastal place receives mild winters and cool summers, which climatic influence is most likely responsible?

Answer: A. Distance from the sea — Proximity to the sea moderates temperature, reducing extremes. Coastal locations usually have a more equable climate than inland areas.

GEOGRAPHY · Grade 11 · CBSE(NCERT)

Practice Chapter 11: World Climate and Climate Change with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 11 GEOGRAPHY. This chapter covers: Climate types climatic regions global warming greenhouse gases climate change sustainability environmental impact weather patterns. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 11: World Climate and Climate Change — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 11 GEOGRAPHY — Chapter 11: World Climate and Climate Change, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following best defines climate?

A. Day-to-day variation in atmospheric conditions
B. Average weather conditions of a place over a long period ✓
C. Sudden change in temperature within a day
D. Seasonal rainfall in a single month

Answer: B. Average weather conditions of a place over a long period
Climate refers to the average pattern of weather conditions over a long period, usually 30 years or more. Weather is the short-term condition of the atmosphere.

Which gas is commonly called the major greenhouse gas responsible for global warming?

A. Carbon dioxide ✓
B. Nitrogen
C. Oxygen
D. Helium

Answer: A. Carbon dioxide
Carbon dioxide is one of the most important greenhouse gases because it absorbs and re-emits heat in the atmosphere, contributing significantly to warming.

If a coastal place receives mild winters and cool summers, which climatic influence is most likely responsible?

A. Distance from the sea ✓
B. Altitude only
C. Volcanic activity
D. Earth's rotation

Answer: A. Distance from the sea
Proximity to the sea moderates temperature, reducing extremes. Coastal locations usually have a more equable climate than inland areas.

Which statement best explains the enhanced greenhouse effect?

A. Natural greenhouse gases completely stop heat loss from Earth
B. Human activities increase greenhouse gases, trapping more heat in the atmosphere ✓
C. The Sun emits less energy because of pollution
D. Clouds eliminate all outgoing radiation

Answer: B. Human activities increase greenhouse gases, trapping more heat in the atmosphere
The enhanced greenhouse effect occurs when human-induced emissions of gases like carbon dioxide and methane increase heat trapping beyond the natural balance.

Which one of the following statements is correct regarding weather and climate?

A. Weather refers to long-term average conditions, while climate is short-term change
B. Weather is the atmospheric condition at a particular time, while climate is the average over a long period ✓
C. Weather and climate mean exactly the same thing
D. Climate changes every hour, weather changes every decade

Answer: B. Weather is the atmospheric condition at a particular time, while climate is the average over a long period
Weather is the state of the atmosphere at a given time, whereas climate is the long-term average of weather conditions for a place.

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