Environmental Pollution Quiz

Imbalance of naturally occurring components in the environment

Primary and secondary air pollutants

The imbalance in quality of air so as to cause adverse effects on the living organisms existing on earth

<p>A substance or energy that causes pollution</p> Signup and view all the answers

<p>Not specified in the given text, but it is commonly classified into solid, liquid, and gaseous pollutants</p> Signup and view all the answers

<p>7 (Air, Water, Soil, Marine, Noise, Thermal, and Nuclear hazards)</p> Signup and view all the answers

<p>Sewage and industrial disposals, i.e., effluents</p> Signup and view all the answers

<p>It gives the degree of acidity or alkalinity of polluted water</p> Signup and view all the answers

<p>It is the quantity of oxygen utilized by microorganisms at a temperature of 20oC, and it indicates the level of oxygen required for living organisms</p> Signup and view all the answers

<p>Because it is necessary for their survival</p> Signup and view all the answers

<p>20oC</p> Signup and view all the answers

<p>5 days</p> Signup and view all the answers

<p>Industrial water pollution affects the entire water ecosystem, causing enormous damage to fishes, prawns, and freshwater animals.</p> Signup and view all the answers

<p>The symptoms of Minamata disease include ataxia, numbness in the hands and feet, general muscle weakness, narrowing of the field of vision, and damage to hearing and speech.</p> Signup and view all the answers

<p>The permissible limit of fluoride in water is 1 ppm.</p> Signup and view all the answers

<p>The primary cause of Minamata disease is severe mercury poisoning.</p> Signup and view all the answers

<p>Minamata disease was first discovered in Minamata city in Japan in 1956.</p> Signup and view all the answers

<p>Industrial effluents affect the entire water ecosystem, causing damage to fishes, prawns, and freshwater animals.</p> Signup and view all the answers

<p>The Tympanum, or ear drum, receives vibrations produced by sound to a limited extent.</p> Signup and view all the answers

<p>Sound is a vibration that can be heard clearly, whereas noise is a mixed vibration that cannot be heard clearly.</p> Signup and view all the answers

<p>The human ear can perceive about 20,000 Hertz of sound.</p> Signup and view all the answers

<p>An example of noise is the mixed sounds in an office, such as someone talking on a mobile phone, a phone ringing, and loud conversations.</p> Signup and view all the answers

<p>No, the volume of noise cannot be increased or decreased.</p> Signup and view all the answers

<p>Noise pollution occurs when unwanted sounds are produced through various sources.</p> Signup and view all the answers

<p>Rupture of underground storage tanks, application of pesticides, and percolation of contaminated surface water to subsurface strata</p> Signup and view all the answers

<p>Petroleum hydrocarbons, solvents, pesticides, lead and other heavy metals</p> Signup and view all the answers

<p>Excess application of pesticides, herbicides, or fertilizer</p> Signup and view all the answers

<p>Discharge of industrial waste into the soil</p> Signup and view all the answers

<p>Percolation of contaminated water into the soil</p> Signup and view all the answers

<p>Seepage from a landfill</p> Signup and view all the answers