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Test: Greenhouse Effect & Global Warming (Old NCERT) - NEET MCQ


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5 Questions MCQ Test NCERT Based Tests for NEET - Test: Greenhouse Effect & Global Warming (Old NCERT)

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Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 1

If there is no green house effect, the average temperature of earth's surface would have been

Detailed Solution for Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 1

Greenhouse gases like CO2 ,CH4 and CFCs are essential for keeping the earth warm and hospitable. They prevent a substantial part of long wave radiations emitted by earth to escape into space, but these gases radiate a part of this energy back to the earth. This phenomenon is called greenhouse effect. Because of green house effect, the mean annual temperature of earth is 15. In its absence, it will fall to −18.

Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 2

High concentration of greenhouse gases has resulted in maximum rise of atmospheric temperature in 

Detailed Solution for Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 2

Increases in the level of greenhouse gases has led to considerable heating of earth leading to global warming. During the past century, the temperature of earth has increased by 0.6, most of it during the last three decades. Rise in temperature is slight in tropics, moderate in middle latitudes and maximum in polar regions. It will led to melting of polar ice caps as well as of other places like the Himalayan snow caps.

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Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 3

Which of the following is correct regarding 'El Nino' effect?

Detailed Solution for Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 3

The rise in temperature due to global warming is leading to deleterious changes in the environment and resulting in odd climatic changes like EL Nino effect. El Nino effect is the abnormal warming of surface ocean water. It affects the weather in large parts of the world. Moisture carrying capacity of air will increase. Pattern of air-mass movement will change. Precipitation will increase at higher latitudes both in summer and winter and in southern as well as Eastern Asia in summer. Frequency of droughts and floods  will increase. Threat to human health will increase in tropical and subtropical countries due to changed ranges of disease vectors and water borne pathogens.

Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 4

Earth summit, 1992 for the biodiversity conservation of was held at

Detailed Solution for Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 4

Earth summit (United Nations Conference on Environment and Development 1992) was held in Rio de lanerio (Brazil) and adopted the recommendations of CCC (Convention on Climate Changel for reducing greenhouse gases. The recommendations were sioned by 154 nations They pledged to maintain emission of greenhouse gases level.

Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 5

Green house effect is due to

Detailed Solution for Test: Greenhouse Effect & Global Warming (Old NCERT) - Question 5

Green house effect is due to Oand CO2.

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