Environmental Science MCQs

Question 1

Grassland of USA is referred to as

Accepted Answer

Prairies

Answer

Steppes

Answer

Pampas

Answer

Veldts

Question 2

Mycorrhiza represents

Accepted Answer

Symbiotic association between a fungus and roots of higher plants

Answer

Symbiotic association between a fungus and liverworts

Answer

Parasitic association between a fungus and an alga

Answer

Parasitic association between a fungus and roots of plants

Question 3

Which of the following interactions will not promote co evolution?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Interspecific competition

Question 4

Earth summit was held in

Accepted Answer

Rio de Jeneiro in 1992

Answer

Stockholm in 1972

Answer

Paris in 1992

Answer

New York in 1972

Question 5

The unit of measurement of intensity of sound is in _________

Accepted Answer

Decibels

Answer

Lux

Answer

Parsec

Answer

Candela

Question 6

Which of the following spatial units is the largest in terms of scale?

Accepted Answer

River segments

Answer

Mesohabitats

Answer

Patches

Answer

River reaches

Question 7

Natural earthquakes are caused by __________

Accepted Answer

Earth's crust

Answer

Deep seas

Answer

Peak mountains

Answer

Forests

Question 8

Eutrophication results from

Accepted Answer

Agricultural and sewage water

Answer

Vehicle exhaust

Answer

Pesticides

Answer

Industrial effluents

Question 9

Organisms that feed upon other living organisms as a source of energy and nutrients are called as

Accepted Answer

Producers

Answer

Consumers

Answer

Pests

Answer

Decomposers