Air Pollution
Air Pollution is a Environment concept from the MPSC syllabus, tested in 5 past MPSC questions across 4 exam years between 2018 and 2024. Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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Real questions that test this
PAN (पेरोक्सीअसेटाइल नायट्रेट) खालील परस्पर क्रियेच्या परिणामी तयार होतो. PAN (Peroxyacetyl nitrate) is formed as a result of following interaction :
PAN (Peroxyacetyl nitrate) is a secondary pollutant formed in photochemical smog through the reaction of nitrogen oxides (NOx) and volatile hydrocarbons in the presence of sunlight.
जिवाश्म इंधनाच्या वापराच्या उच्च दरामुळे कोणते दुष्परिणाम जाणवतात ? वरीलपैकी कोणते विधान/विधाने बरोबर आहेत ? High rate of consumption of fossil fuel resulted in which effects ? Which of the statement given above is/are correct ?
(a)आम्ल पाऊस
(b)ओझोनचा ह्हास
(c)स्वच्छ हवामान
(d)वारंवार धुकेयुक्त हवामान
High consumption of fossil fuels releases greenhouse gases and pollutants causing acid rain (A), ozone depletion (B), and frequent smog/foggy weather (D). Statement C ('clean weather') is factually opposite.
पर्जन्यस अम्ल पर्जन्य म्हणतात जेव्हा, pH चे मुल्य __________ असते. Rain is called acid rain, when its pH value is
Normal rain is slightly acidic due to dissolved CO2 with a pH of around 5.6. Rain with a pH value less than 5.6 is specifically termed acid rain.
भारतीय लोकांचे आरोग्य खालावण्यास खालीलपैकी कोणता महत्त्वाचा घटक कारणीभूत आहे.
Water pollution is a major factor degrading public health in India due to widespread waterborne diseases and contamination of drinking sources.
UNEP च्या नियमाप्रमाणे खालील प्रदूषक आणि त्यांच्या माध्यमांच्या जोड्या जुळवा : प्रदूषक अ. नायट्रोजन ऑक्साईड ब. पेट्रोलियम हायड्रोकार्बन क. फ्लोराइड ड. मायकोटॉक्सिन्स माध्यम I. समुद्र II. अन्न III. हवा IV. स्वच्छ पाणी Match the following Pollutants and their Mediums as per the UNEP documents : Pollutant a. Nitrogen oxides b. Petroleum hydrocarbons c. Fluorides d. Mycotoxins Medium I. Sea II. Food III. Air IV. Fresh water
(a)नायट्रोजन ऑक्साईड / Nitrogen oxides
(b)पेट्रोलियम हायड्रोकार्बन / Petroleum hydrocarbons
(c)फ्लोराइड / Fluorides
(d)मायकोटॉक्सिन्स / Mycotoxins
According to UNEP guidelines, Nitrogen oxides are found in air (III), Petroleum hydrocarbons in the sea (I), Fluorides in fresh water/food sources, and Mycotoxins in food (II).