Climate Change and Global Warming MCQs

1. What is the primary cause of global warming?
(A) Deforestation
(B) Increase in greenhouse gases
(C) Ozone layer depletion
(D) Overfishing

2. Which of the following greenhouse gases is most responsible for global warming?
(A) Carbon dioxide (CO₂)
(B) Nitrous oxide (N₂O)
(C) Methane (CH₄)
(D) Chlorofluorocarbons (CFCs)

3. Which of the following is a direct consequence of climate change?
(A) Increased rainfall in dry areas
(B) Rising global sea levels
(C) Expansion of polar ice caps
(D) Decreased frequency of extreme weather events

4. Which human activity significantly contributes to global warming?
(A) Wind energy production
(B) Industrial pollution
(C) Planting trees
(D) Recycling of materials

5. Which of the following is a greenhouse gas released by livestock?
(A) Carbon dioxide
(B) Methane
(C) Nitrous oxide
(D) Sulfur dioxide

6. What is the term for the gradual increase in the Earth’s temperature due to human activities?
(A) Ozone depletion
(B) Global warming
(C) Acid rain
(D) Ocean acidification

7. What is the main effect of deforestation on the climate?
(A) Increased carbon dioxide absorption
(B) Release of carbon dioxide into the atmosphere
(C) Lowering of global temperatures
(D) Decreased rate of photosynthesis

8. Which of the following is considered an effect of global warming?
(A) Increased agricultural productivity
(B) Melting of polar ice caps
(C) Decrease in forest fires
(D) Lower sea levels

9. What international agreement aims to limit global warming by reducing greenhouse gas emissions?
(A) Kyoto Protocol
(B) Montreal Protocol
(C) Paris Agreement
(D) Geneva Convention

10. Which sector is a major source of methane emissions?
(A) Transportation
(B) Agriculture
(C) Renewable energy
(D) Commercial buildings