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Environmental Science

Environmental Science
In a population, unrestricted reproductive capacity is called as

birth rate
fertility rate
biotic potential
carrying capacity

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Environmental Science
According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power.

Tenth
Fourth
Zeroeth
Negative third

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Environmental Science
Soil erosion can be prevented by

Removal of vegetation
Deforestation
Afforestation
Overgrazing

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Environmental Science
The pollution which does not persistent harm to life supporting system is

Radiation pollution
Noise pollution
All of these
Organochlorine pollution

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Environmental Science
A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as

Ecological pyramid
Pyramid of biomass
Pyramid of energy
Pyramid of number

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Environmental Science
What is edge species?

Species on the verge of extinction
The species which occur abundantly in the ecotone
Rare species
Endemic species

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MORE MCQ ON Environmental Science

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