Collection of verified questions for Harit Grih Prabhav Jalvayu Parivartan under Environment & Ecology. Includes previous year exam questions with official answer keys and step-by-step solutions.
Which of the following gases are responsible for global warming?
Which of the following is considered the appropriate natural concentration of carbon dioxide for atmospheric balance?
Consider the following: 1. Rice fields 2. Coal mining 3. Domestic animals 4. Wetlands Which of the above are sources of methane, a major greenhouse gas?
Which of the following is responsible for global warming?
Methane is emitted from which of the following?
The gas produced from paddy fields associated with global warming is-
The gases most responsible for global warming are-
Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?
The greenhouse gas emitted by ruminant animals is-
Which of the following is not a greenhouse gas?
The increasing concentration of carbon dioxide in the atmosphere due to human activities does not all remain in the lower atmosphere, because: 1. It escapes into the outer stratosphere. 2. It is photosynthesized by phytoplankton in the oceans. 3. It is trapped in the polar ice caps. Which of the statements given above is/are correct?
In the context of deposits of 'methane hydrate', which of the following statements are correct? 1. Global warming might trigger the release of methane gas from these deposits. 2. Large deposits of 'methane hydrate' are found in Arctic Tundra and under the seafloor. 3. Methane in atmosphere oxidizes to carbon dioxide after a decade or two. Select the correct answer using the code given below: Code:
The main component in greenhouse gases is–
Which of the following is not a greenhouse gas?
Due to improper/indiscriminate cultivation of rice, some areas are contributing to global warming. What reason/reasons can be attributed to this? 1. The anaerobic conditions associated with rice cultivation cause the emission of methane. 2. When nitrogen based fertilizers are used, nitrous oxide is emitted from the cultivated soil. Which of the statements given above is/are correct? Code:
Which of the following is not a greenhouse gas?
As a result of global warming- 1. Universal communications improved. 2. Glaciers began to melt. 3. Mango trees started blossoming prematurely. 4. Adverse impacts on human health occurred. Select the correct answer using the code given below: Code:
Which one of the following is not responsible for global warming?
Which one of the following is not a greenhouse gas?
Which of these is not a greenhouse gas?
Which of the following is not a greenhouse gas?
Which of the following changes occurs in the atmosphere due to the greenhouse effect?
The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs–
What is 'Greenhouse effect'?
The cause of climate change is–