CTET Paper I (Primary: Class 1-5)

Climate Change - Causes Effects Global Warming Greenhouse Effect question bank (Environmental Studies (EVS))

Practice 12 free CTET Paper I (Primary: Class 1-5) Environmental Studies (EVS) - Climate Change - Causes Effects Global Warming Greenhouse Effect questions with answers and step-by-step solutions.

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Q1.

A primary school EVS teacher wants to explain the mechanism of global warming to Class 5 students using a constructivist approach. Which of the following classroom activities would be most pedagogically effective and conceptually accurate?

Topic: Climate Change - Causes Effects Global Warming Greenhouse Effect | Source: AI Generated (CTET Paper I (Primary: Class 1-5))

(A)

Showing a documentary video on melting glaciers in the Arctic and asking students to write a summary essay.

(B)

Setting up two closed glass jars under the sun, one containing ordinary air and the other containing carbon dioxide, and measuring the temperature difference over time.

(C)

Lecturing students on the chemical structure of greenhouse gases and how infrared radiation gets trapped in the atmosphere.

(D)

Making students memorize the list of top ten countries emitting greenhouse gases and drawing bar graphs in their notebooks.

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Q2.

Consider the following statements regarding the enhanced greenhouse effect and climate change: Statement I: Water vapor is the most abundant natural greenhouse gas, but human activities have a more direct impact on carbon dioxide concentrations. Statement II: Methane has a shorter atmospheric lifetime than carbon dioxide, but its global warming potential over a 100-year timescale is significantly lower. Which of the above statements is/are correct?

Topic: Climate Change - Causes Effects Global Warming Greenhouse Effect | Source: AI Generated (CTET Paper I (Primary: Class 1-5))

(A)

Only Statement I is correct

(B)

Only Statement II is correct

(C)

Both Statement I and Statement II are correct

(D)

Neither Statement I nor Statement II is correct

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