Environmental Science

Biosphere
How many types of energy source an ecosystem depends on ?
3 types
4 types
2 types
5 types
Author: rikazzz Comment
Hydrosphere
‘Water’ has a high
Dipolic movement
Tripolic Movement
No dipolic movement
No tripolic movement
Author: rikazzz Comment
Global Warming
During the last 50 years, water use worldwide has grown over:
One Foldes
Six foldes
Four Foldes
Three foldes
Author: rikazzz Comment
Water Pollution
In which treatment, microorganism decompose fine organic matter?
Preliminary Treatment
Biological Treatment
Secondary Treatment
Tertiary Treatment
Author: rikazzz Comment
Solid Waste Management
In which compositing method coarse inert matter is firstly removed?
Open window Compositing
Machanical Compositing
Compositing by tranching
Pulverization
Author: rikazzz Comment
Marine Pollution
Bilge water contains; oil, urine and
Plastics
Chemicals
Papers
Pollutants
Author: rikazzz Comment
Air Pollution
What are ‘anthropogenic’ sources of CO?
Industries, Motor Vehicles
Forest fire
Volcanic Eruption
Deforestation
Author: rikazzz Comment
Environmental Science
Most of the meteors burns in _________.
Stratosphere
Mesosphere
Troposphere
Thermosphere
Author: rikazzz Comment
Air Pollution
Natural sources of sulfur dioxide involves:
Respiration
Cement production
PAN
Volcanic eruptions
Author: rikazzz Comment
Water Pollution
Acids and alkalies collectively, change ‘pH’ value of
Water
Liquids
Air
Solids
Author: rikazzz Comment

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