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Consider the following statements regarding SMOG: 1. SMOG was coined during the 1950's to describe a mixture of smoke and fog experienced in London 2. The principal pollutants in London SMOG are particulates and sulphur compounds  3. The London SMOG occurs generally early in the morning on cold wet winter days  Which of the above statements are correct?
In this question, a passage and a statement related to it have been given. Read carefully the verse and review the statement based on it. Delhi, which is one of India's capital an d one of the largest cities in the world, is undergoing severe crisis, due to its high level of urbanization, increasing population and high levels of pollution. Studies have proven that Are the biggest factors of pollution used for industrial and domestic use? And due to their use, people here emit large quantities of nitrogen oxides (NOx), ozone (O3), black carbon (BC) and microorganisms (PM). According to the 2015 Global Burden of Disease report, there were 1.09 million deaths due to PM 2.5 in India. Air pollution was included as one of the 10 biggest threats to health. According to the World Health Organization, 37 cities of India are among 100 worst polluted cities in the world, where PM10 was found to be the highest ever. For the production of ozone, together with sunlight and heat, nitrogen oxides (NOx) and organic compounds (VOCs) are needed simultaneously. Therefore, in the summer months, ozone is produced in large quantities in the cities. Statement: Air pollution is one of the top 10 factors affecting health in India. Select the most suitable from the following options A-statement is absolutely true B-statement is probably true C-statement can not be reviewed D-statement is completely false
Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes
In this question, a passage and a statement related to it have been given. Read carefully the verse and review the statement based on it. Delhi, which is one of India's capital an d one of the largest cities in the world, is undergoing severe crisis, due to its high level of urbanization, increasing population and high levels of pollution. Studies have proven that are the biggest factors of pollution used for industrial and domestic use? And due to their use, people here emit large quantities of nitrogen oxides (NOx), ozone (O3), black carbon (BC) and microorganisms (PM). According to the 2015 Global Burden of Disease report, there were 1.09 million deaths due to PM 2.5 in India. Air pollution was included as one of the 10 biggest threats to health. According to the World Health Organization, 37 cities of India are among 100 worst polluted cities in the world, where PM10 was found to be the highest ever. For the production of onoos, together with sunlight and heat, nitrogen oxides (NOx) and organic compounds (VOCs) are needed simultaneously. Therefore, in the summer months, ozone is produced in large quantities in the cities. Statement: Ozone does not arise more than a boundary on the ground in the summer months in cities. Select the most suitable from the following options A-statement is absolutely true B-statement is probably true C-statement can not be reviewed D-statement is completely false
Which of the following statements is/are correct concerning Ozone gas? 1. Good ozone is found in the upper part of the atmosphere called the Troposphere. 2. The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of Dobson units (DU).  3. Research indicates that depletion of the stratospheric ozone layer is being reduced worldwide.  Select the correct answer using the code given below.
The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.  P: Delhi’s air quality deteriorates with unfailing regularity, with large swathes of north India in the grip of suffocating smog, but the State governments that can make it easier for millions to breathe do not act with any sense of urgency.  Q: The smog that envelops the region is exacerbated by the burning of biomass in Punjab and Haryana, and the winter atmosphere is marked by weak ventilation.  R: It is unconscionable for governments, through indifference and inaction, to subject citizens to such toxic air, and cause extreme suffering especially among people with respiratory ailments and impaired lung function.  S: It has turned into a public health emergency in the capital, with the air quality index touching extremely hazardous levels in some parts, necessitating the closure of primary schools, has further lowered its standing.
Consider the following statements related to ozone: 1. Tropospheric ozone is harmful 2. Stratospheric ozone is beneficial 3. During prevalence smog, O3 is formed Which of the above statements are correct?
In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement All fog is smoke. No smog is fog. Conclusion Some fog is smog. Some smog is fog.
Which assumptions are implied from the below statement? Statement: Ozone layer depletion is caused by excessive Chlorofluorocarbons which are majorly emitted by refrigerants and air conditioners. Assumptions: I: Reducing the use of refrigerants and air conditioners will protect the ozone layer. II: The ozone layer is beyond saving now.
Consider the following statements: 1. Ozone is found mostly in the Stratosphere. 2. Ozone layer lies 55 - 75 km above the surface of the earth. 3. Ozone absorbs ultraviolet radiation from the Sun. 4. Ozone layer has no significance for life on the earth. Which of the above statements are correct?