Biosphere Quiz Questions and Answers PDF - 157

MCQ 781: Fuel powered ecosystem is also known as

1. Urban industrial Ecosystem
2. Unsubsidized natural solar powered ecosystem
3. Naturally subsidized solar powered ecosystem
4. Man subsidized solar power ecosystem

MCQ 782: Scientists predicted, ecosystem would adversely affected by the

1. Global Warming
2. Urbanization
3. Deforestation
4. Acid deposition

MCQ 783: In secondary treatment, the decomposition of organic matters is carried out by

1. Aerobic bacteria
2. Anaerobic Bacteria
3. Fungi
4. Algae

MCQ 784: The 'volatile solids' represents the

1. Dissolved solids
2. Organic Solids
3. Colloidal Solids
4. Suspended Solids

MCQ 785: Anaerobic decomposition is also known as

1. Putrefaction
2. Aerobic Oxidation
3. Decomposition
4. Degradation