Environmental Studies - Quiz No. 1

Most stable ecosystem is ________________________.

• Forest

• Desert

• Ocean

• Mountain

Zone consisting air, water and soil is known as __________________.

• Hydrosphere

• Atmosphere

• Lithosphere

• Biosphere

Nitrogen gets oxidized into _________________.

• Nitrates and ammonia

• Ammonia and urea

• Urea and nitrite

• Nitrates and nitrites

Earthworms and bacteria are called _______________.

• Producers

• Consumers

• Decomposers

• None of these

Atmospheric ozone layer which protect us from UV rays is getting depleted most by addition of ________________.

• Chloro flurocarbon

• Carbon monooxide

• Carbon dioxide

• Sulpur dioxide

Important abiotic factors in ecosystems include _______________________.

• temperature

• water

• wind

• all of the above

Hydrosphere includes ___________________.

• Animals

• Soil

• Plants

• Water bodies

The layers of atmosphere consists of ___________________.

• Troposphere, Stratosphere, Mesosphere and Temperature

• Hydrosphere and biosphere

• Lithosphere and Hydrosphere

• Biosphere and Hydrosphere

Lowest layer of atmosphere is called _________________.

• Thermosphere

• Stratosphere

• Troposphere

• Mesosphere

__________________ is the longest mountain ranges in the world.

• Andes

• Himalayas

• Appalachian

• Sahara