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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the method that fills in gas into the landfills? |
A. | Vermicomposting |
B. | In-situ aeration |
C. | Incineration |
D. | Recycling |
Answer» C. Incineration | |
2. |
Which of the following is not an environmental monitoring method? |
A. | Ground water monitoring |
B. | Landfill sealing |
C. | Quality of leachate |
D. | Biodegradation |
Answer» E. | |
3. |
Which of the following phases is not identified in anaerobic degradation? |
A. | Anaerobic phase |
B. | Methanogenic fermentation |
C. | Aerobic compost |
D. | Acid fermentation |
Answer» D. Acid fermentation | |
4. |
Which of the following mechanism can’t be used to regulate mass from waste to leaching water? |
A. | Hydrolysis |
B. | Addition of heavy metals |
C. | Biological degradation |
D. | Solubilisation |
Answer» C. Biological degradation | |
5. |
Aerobic degradation of waste in landfills is usually of very less time. |
A. | True |
B. | False |
Answer» B. False | |
6. |
Which of the following treatment shouldn’t be used for pre-treatment of solid waste? |
A. | Mechanical treatment |
B. | Biological treatment |
C. | Thermal treatment |
D. | Heavy metal treatment |
Answer» E. | |
7. |
What is the major environmental concern related to landfill? |
A. | Limited space |
B. | Limited technology |
C. | Less man-power |
D. | Discharge of leachates |
Answer» E. | |
8. |
Open burning at the disposal sites causes severe noise pollution. |
A. | True |
B. | False |
Answer» C. | |
9. |
At the disposal sites, which of the following methods is used to reduce the volume of urban waste? |
A. | Bulldozer leveling |
B. | Open burning |
C. | Fertilizer |
D. | Incineration |
Answer» C. Fertilizer | |
10. |
Which of the following is used to dispose of the waste generated in urban areas? |
A. | Low lying areas |
B. | Residential area of towns and cities |
C. | Industrial area |
D. | Rural waste |
Answer» B. Residential area of towns and cities | |