Environmental Science MCQ Questions and answers | EVS MCQ

Mocked for Being a 'Woman Studying Genetics,' How Rachel Carson Got DDT Banned. Considered one of Carson's most exceptional and groundbreaking books that marked a new public awareness about the use of chemical pesticides, especially DDT, Silent Spring was published on September 27, 1962.

Environmental pollution is the unfavorable alteration of our surroundings, wholly or largely as a byproduct of man's actions, through direct or indirect effects of the changes in the energy pattern, radiation levels, and chemical and physical constitution and abundance of organisms.

Energy resources derived from natural organic materials are called fossil fuels.

Pyramid of biomass is the graphical representation of total amount of living material at each trophic level of a food chain. Pyramid of numbers represent the number of individuals in each trophic level of a food chain. Pyramid of energy represents the amount of energy at each trophic level of a food chain.

Mammals have 177 endangered species among vertebrates which represents 3.8% of all the species.

Biotic potential is defined as the physiological capacity of organisms to produce their offspring under natural conditions. It is also called reproductive potential. In nature, the biotic potential of organisms is enormous but all the organisms do not survive due to the lack of food and space.

If the Earth had no atmosphere then the sky would have looked dark. The original colour of the sky(or space) is black. Just the atmosphere of the Earth gives the colour white, blue and dark blue.

Ecology is the scientific study of the interaction of organisms with each other and the environment.

Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high-temperature waste treatment systems are described as "thermal treatment". Incineration of waste materials converts the waste into ash, flue gas and heat.

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