Environmental Science MCQ Questions and answers | EVS MCQ

Deep ecology is an ecological and environmental philosophy promoting the inherent worth of living beings regardless of their instrumental utility to human needs, plus a restructuring of modern human societies in accordance with such ideas.

Red Data Book is a state document established for documenting rare and endangered species of animals, plants, and fungi, as well as some local subspecies that exist within the territory. The Red Data Book contains the complete list of threatened species.

Group of individuals of a plant or animal species inhabiting a given area or group of individuals of a species.

It states that desertification means “land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities”.

Lotic ecosystems can be contrasted with lentic ecosystems, which involve relatively still terrestrial waters such as lakes, ponds, and wetlands. Together, these two ecosystems form the more general study area of freshwater or aquatic ecology.

An ecotone is a transition area between two biomes. It is where two ecosystems overlap each other. It may be narrow or wide, and it may be local (the zone between a field and forest) or regional (the transition between forest and grassland ecosystems).

An ecotone is a transition area between two biomes. It is where two communities meet and integrate. It may be narrow or wide, and it may be local (the zone between a field and forest) or regional (the transition between forest and grassland ecosystems).

Eco is an abbreviation for ecology, the system of relationships between living things, and with their environment. Friendly implies beneficial, or at least not harmful. It should follow that the term eco-friendly, when added to services or products, indicates positive, or at least not harmful, effects on living things.

Germ layer, any of three primary cell layers, formed in the earliest stages of embryonic development, consisting of the endoderm (inner layer), the ectoderm (outer layer), and the mesoderm (middle layer).

The maximum number of deposition of DDT will occur in phytoplankton crabeelor seagull. DDT is a colourless, odourless and a tasteless crystalline chemical compound, which was originally invented as an insecticide.