MCQOPTIONS
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MCQOPTIONS
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. |
The process by which the methanogens produce methane is called _______ |
| A. | Bio-methanation |
| B. | Bio-luminescence |
| C. | Bio-leaching |
| D. | Bio-fortification |
| Answer» B. Bio-luminescence | |
| 2. |
Which of the following doesn’t include the activity of microorganisms? |
| A. | Bio-magnification |
| B. | Bio-remediation |
| C. | Bio-degradation |
| D. | Bio-leaching |
| Answer» B. Bio-remediation | |
| 3. |
Calculate the BOD value for the sample below including the minimum depletion and residual requirements.Sample (ml)-100ml in 300ml bottleInitial D.O (mg/ml): 9.25-days D.O (mg/ml): 5.3 |
| A. | 9.1 |
| B. | 9.75 |
| C. | 11 |
| D. | 9 |
| Answer» C. 11 | |
| 4. |
Which of the following bacteria can generate electricity, thereby reducing the environmental toxic pollutants? |
| A. | Thermus aquaticus |
| B. | Bacillus thuringenesis |
| C. | Shewanella |
| D. | Mycobacterium tuberculosis |
| Answer» D. Mycobacterium tuberculosis | |
| 5. |
Which of the following is a bio-indicator of metal pollution? |
| A. | Mytilus edulis |
| B. | E.coli |
| C. | Lichens |
| D. | Microalage |
| Answer» B. E.coli | |
| 6. |
The increase of toxicity level, when we go from lower cellular complexities to higher cellular complexities is called as _____ |
| A. | Bio-magnification |
| B. | Quorum quenching |
| C. | Quorum requirement |
| D. | Lyophilization |
| Answer» B. Quorum quenching | |
| 7. |
Which among the following is a process of bio remediation? |
| A. | Chemical Testing method |
| B. | Most probable number method |
| C. | Dissolved Oxygen method |
| D. | Immobilization |
| Answer» E. | |
| 8. |
The process that results in conversion of environmental contaminants into less toxic substances with the help of microbiological processes is called as ______ |
| A. | Bio-fortification |
| B. | Bio-remediation |
| C. | Bio-leaching |
| D. | Microbiology |
| Answer» C. Bio-leaching | |
| 9. |
What is the cause behind irrecoverable environmental damage? |
| A. | Oil spills in sea |
| B. | Afforestation |
| C. | Sewage |
| D. | Biogas |
| Answer» B. Afforestation | |
| 10. |
Which contaminants among the following leads to environment pollution? |
| A. | CO2 |
| B. | Heavy metals and explosive |
| C. | Fertilizer |
| D. | Methane gas |
| Answer» C. Fertilizer | |