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Environmental Science

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

biotic potential
birth rate
carrying capacity
fertility rate

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Environmental Science
The biosphere encompasses the total __________ of living material in a region or the globe.

Diversity of species
Photosynthesis
Animal population
Weight

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Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Radiation
Convection
Conduction
Latent heat

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Environmental Science
As it travels along the food chain, the concentration of DDT

decreases
increases
remains constant
fluctuates randomly

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Environmental Science
An example of nitrogen fixing bacteria in the soil

Nostoc
Rhizobium
Nitrobacter
Azotobacter

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Environmental Science
What is Carcinogen?

Drugs for curing infectious disease
Drugs used for curing cancer
Food colourants
Cancer causing agent

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MORE MCQ ON Environmental Science

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