Biosphere Quiz Questions and Answers PDF - 61

MCQ 301: Which process involved in waste water convertion into drinkable water ?

1. Precipitation
2. Condensation
3. Filtration
4. Nutrient cycle

MCQ 302: The initial causes of ecological succession, responsible for the destruction of existed

1. Animal species
2. Ecosystem
3. Populations
4. Plant species

MCQ 303: 'Abiotic' community cannot live in

1. Polluted environment
2. Isolation
3. Without sunlight
4. Hydrosphere

MCQ 304: Natural ozone in the 'stratosphere' absorbs the harmful

1. Air pollution
2. Ultraviolet Radiations
3. Smoke
4. Dust particles

MCQ 305: What causes water borne diseases ?

1. Bacteria and viruses
2. Cat
3. Rat
4. Cow