Biosphere Multiple Choice Questions (MCQ) PDF - 48

MCQ 236: How long folsom's flasks, algae and bacteria sustained life ?

1. 30 years
2. 4o years
3. 50 years
4. 80 years

MCQ 237: The macro-consumer organisms in a pond water:

1. Minute floating plants
2. Insect larvae and fish
3. Microorganisms
4. Planktons

MCQ 238: Organic pollutants are discharged as a municipal sewage and

1. Industrial effluents
2. Mining Pollution
3. Natural pollution
4. Artificial Pollution

MCQ 239: The blood produced in 'slaugterhouses' is used in

1. Human Food Application
2. Phermacautical companies
3. Sausages
4. All of above

MCQ 240: In which layer of the atmosphere does temperature decreases slowly with altitude ?

1. Thermosphere
2. Troposphere
3. Stratosphere
4. Mesosphere