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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान कक्षा ११

Match the List I with List II and select the correct answer using the code given below the lists. List I- A. Stone leprosy B. Biological magnification C. Global warming D. Combination with haemoglobin - Chemistry

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प्रश्न

Match the List I with List II and select the correct answer using the code given below the lists.

List I List II
A Stone leprosy 1 CO
B Biological magnification 2 Green house gases
C Global warming 3 Acid rain
D Combination with haemoglobin 4 DDT

विकल्प

  • A - 1, B - 2, C - 3, D - 4

  • A - 3, B - 4, C - 2, D - 1

  • A - 2, B - 3, C - 4, D - 1

  • A - 4, B - 2, C - 1, D - 3

MCQ
जोड़ियाँ मिलाइएँ

उत्तर

A - 3, B - 4, C - 2, D - 1

shaalaa.com
Environmental Pollution - Introduction
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Environmental Chemistry - Evaluation [पृष्ठ २७८]

APPEARS IN

सामाचीर कलवी Chemistry - Volume 1 and 2 [English] Class 11 TN Board
अध्याय 15 Environmental Chemistry
Evaluation | Q I. 14. | पृष्ठ २७८

संबंधित प्रश्न

River Ganga flows through which of the following states?


Name the anthropogenic sources of water pollution.


How is the use of plastic bags harmful for environmental degradation? Evaluate it by citing suitable reasons.


Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because ______.


Assertion (A): If BOD level of water in a reservoir is less than 5 ppm it is highly polluted.

Reason (R): High biological oxygen demand means low activity of bacteria in water.


Which of the following is a natural source of air pollution?


Which of the following elements is both a water pollutant and air pollutant?


Match the following and choose the correct answer.

List I
(Pollution)
List II
(Effects)
1. Water Pollution A. Smog
2. Air Pollution B. Alkalinity
3. Land Pollution C. Diarrhoea

Which of the following is the largest contributor to water pollution in India?


Read the given source and answer the questions that follow: 

The main sources of noise pollution are various factories, mechanized construction and demolition Works, automobiles and aircraft, etc. There may be added periodical but polluting noise from sirens, loudspeakers used in various festivals, programmes associated with community activities. The level of steady noise is measured by sound level expressed in terms of decibels (dB).

Of all these sources, the biggest nuisance is the noise produced by traffic, because its intensity and nature depend upon factors, such as the type of aircraft, vehicle, train and the condition of road, as well as, that of vehicle (in case of automobiles). In sea traffic, the noise pollution is confined to the harbour due to loading and unloading activities being carried. Industries cause noise pollution but with varying intensity depending upon the type of industry.

Noise pollution is location specific and its intensity declines with increase in distance from the source' of pollution, i.e. industrial areas, arteries of transportation, airport, etc. Noise Pollution is hazardous in many metropolitan and big cities in India.

  1. Explain the meaning of noise pollution.
  2. Why is noise pollution hazardous in metropolitan cities in India? 
  3. "Noise pollution is location specific." Explain with argument. 

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