Environmental Sciences Quiz

Sinking air warms by this process:-

Example of primary pollutant:-

Deforestation at large scale can be observed at:-

The process  of  removal  of  water  from the  sludge  is called :-

Abiotic environment  does not include:-

State  the name of  drug  that is  associated  with  the  plant  source of  coffee  :-

BOD stands for:-

The gas used for fire extinguisher is known as:-

Crocidolite,  actionide  and amosite   belongs  to  which  category of  pollutants:-

Sound becomes hazardous noise pollution at decibels:--

Who  discovered the  phenomenon of  acid rain;-

Algal boom results in:-

Noise  is measured  by  sound  meter   and  the unit is ;-

Sunlight that bounces off a surface is said to be __________________ from the surface:-

The  upward vertical rise  prevail  in which plume:-

The  detention period  of  septic  tank is ;-

Smog is composed of:-

The year declared by UN as International Year of Forests:-

Marble and slates are the the example of:-

Biochemical  oxygen  demand  means dissolved O2  needed  by microbes  to  decompose  organic waste :-

In a food chain of grass land ecosystem the top consumers are:-

In an aquatic ecosystem, the depth to which light penetrates is called:-

What is the approximate weight in pounds of the atmosphere on a 1 sq. ft surface at sea level:-

Turbidity means  turbulence   of  winds ;-

The organism  that live  on organic  material  and   absorb  organic  molecules  by  digesting  enzymes  are called :-