Environmental Science MCQ Questions and answers | EVS MCQ

All are physical pollutants except soot.

Superbugs are strains of bacteria that are resistant to several types of antibiotics. Each year these drug-resistant bacteria infect more than 2 million people nationwide and kill at least 23,000, according to the U.S. Centers for Disease Control and Prevention (CDC).

A small quantity of radioactive material can produce an enormous amount of energy.

Acids are substances that give up Hydrogen ions in solution. Acids are corrosive to metals while releasing Hydrogen gas, have a pH between 0 and 6.9 and are sour to the taste. There are many common substances that are acids: lemon juice (citric acid), vinegar (acetic acid), stomach acid, and soda pop (carbonic acid).

Symbiosis is shown by E. Coli.

A rain gauge (also known as an udometer, pluviometer, or an ombrometer) is an instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over an area in a predefined period of time.

The inversion created from a cold front is especially evident when a shallow layer of polar air moves into lower latitudes. The air associated with the shallow air mass is colder than the air aloft, thus creating an inversion. Inversions promote stability within the vertical layer of the troposphere they exist.

Wildlife protection act was formulated during the period of Mrs. Indra Gandhi in 1972. for protection of plants and animal species. before 1972,India only had five designated natural park.

Indira Gandhi had stated in the Stockholm Conference in 1972 that poverty was the greatest polluter.

The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as edge effect.