Biodiversity in Marathi

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Biodiversity in Marathi Objective for Students

The two major functional components of any ecosystem are:

(a) Energy flow and producers.

(b) Nutrient cycling and energy flow.

(c) Energy flow and decomposer population.

(d) Consumers and energy flow.

Option b - Nutrient cycling and energy flow

From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?

(a) Sathyamangalam Tiger Reserve.

(b) Nallamala Forest.

(c) Nagarhole National Park.

(d) Seshachalam Biosphere Reserve.

Option a - Sathyamangalam Tiger Reserve

Biological equilibrium is the balance between:

(a) Producers and consumers.

(b) Producers and nutrients.

(c) Consumers and ecological factors.

(d) Producers, consumers, and decomposers.

Option d - Producers, consumers, and decomposers

In a pond ecosystem, the BOD increases due to:

(a) Photosynthetic activity of algae.

(b) High density of aquatic macrophytes.

(c) High density of fish.

(d) Increase in the population of bacteria.

Option d - Increase in the population of bacteria

Considering the global warming potential of CO2 as one, the global warming potential of CH4 has been estimated to be approximately:

(a) 12.

(b) 15.

(c) 21.

(d) 35.

Option c - 21

The pollutants like phenol and mercury can be removed from water by:

(a) Sedimentation.

(b) Electro-dialysis.

(c) Filtration.

(d) Biological oxidation.

Option b - Electro-dialysis

The pollutant generated in high quantity by the thermal power plants is:

(a) SO₂.

(b) CO.

(c) NH3.

(d) Fly ash.

Option d - Fly ash

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