Q. Which of the following greenhouse gas is contributed by cattle farming?

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Q. Volcanic eruptions contribute to the global greenhouse phenomenon.

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Q. What is the average concentration of ozone in the ozone layer of the atmosphere?

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Q. Who discovered the ozone layer?

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Q. Which of the following devices can be used to measure ozone in the stratosphere from the ground?

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Q. The ozone layer absorbs what range of wavelengths of the sun’s radiation?

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Q. Who discovered the formation of ozone from photochemical reactions?

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Q. Between what altitudes, is the ozone layer found in highest concentrations?

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Q. Nitrogen also helps in preventing UV rays from reaching the Earth.

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Q. Which of the following UV radiations is responsible for causing sun burns and skin cancer?

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Q. The long UV-B radiations are important for vitamin D production of the skin.

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Q. In which season is the ozone found at its maximum level in the northern hemisphere?

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Q. When was the ozone hole discovered?

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Q. The ozone hole is a phenomenon that has occurred in:

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Q. Which of the following chemicals are responsible for the depletion of the stratospheric ozone layer?

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Q. What does EESC stand for in context of ozone depleting compounds?

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Q. The Montreal Protocol bans the production of which of the following chemical substances?

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Q. Greenhouse gases that are directly influenced by human activities are:

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Q. What does an increase in carbon dioxide in atmosphere contribute?

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Q. Nitrous oxide has contributed about

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