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Environmental Science

Environmental Science
An example of nitrogen fixing bacteria in the soil

Azotobacter
Nostoc
Nitrobacter
Rhizobium

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Environmental Science
Most harmful environmental pollutants are

non-biodegradable chemicals
natural nutrients in excess
waste animal feed
human organic wastes

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Environmental Science
In a pyramid of numbers, in a grassland ecosystem, the largest population is that of

Producers
Primary consumers
Tertiary Consumers
Herbivores
Secondary consumers

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Environmental Science
Earth summit was held in

Paris in 1992
New York in 1972
Rio de Jeneiro in 1992
Stockholm in 1972

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Environmental Science
Minamata disease was caused by pollution of water by

Mercury
Methyl iso cyanate
Tin
Lead

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Environmental Science
________ is diffused into the ground by gravitational force.

River water
Rain water
None of these
Ocean

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MORE MCQ ON Environmental Science

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