ecology & bio environment geography section 2 MCQ Questions & Answers Detailed Explanation

Answer: (a)

An artificial ecosystem is one created by people. You can create an artificial ecosystem in an aquarium or terrarium. Nathaniel Bagshaw Ward is credited as the inventor of the terrarium, which he accidently created in 1829.

Answer: (b)

An ecosystem can be natural or man-made, large or small, permanent or temporary, complete or incomplete. Natural ecosystem.

It is an ecosystem developed under natural conditions without any appreciable human interference. A natural ecosystem can be terrestrial (e.g., forest, desert, grassland) or aquatic (e.g., freshwater, lake, pond, river, sea). Oceans constitute the most stable ecosystem.

Answer: (a)

Ecological balance is a state of dynamic equilibrium within a community of organisms in which genetic, species and ecosystem diversity remain relatively stable, subject to gradual changes through natural succession.'

In other words, it refers to a stable balance in the numbers of each species in an ecosystem. So to maintain this balance, the delicate balance between the organisms constituting an ecosystem should be understood.

Answer: (b)

The fur of the animals living in colder regions traps the air and keeps them warm.

Answer: (b)

Some of the natural sources of air pollution are ground dust, salt spray from oceans, volcanic eruptions, hydrogen sulfides from natural sources, etc. Large amount of gases and ash from volcanic eruptions blacken the skies and increase the background pollution levels for years.

Answer: (c)

The tropical and subtropical dry broadleaf forest biome, also known as tropical dry forest, is located at tropical and subtropical latitudes. Deciduous trees predominate in most of these forests, and during the drought, a leafless period occurs, which varies with species type.

Teak and Sal, along with mango, bamboo, and rosewood, belong to the moist deciduous forests which shed their leaves in the dry season.