Bioremediation — Prelims Questions
Which of the following statements about bioremediation is/are correct? 1. It primarily uses microorganisms to degrade pollutants. 2. It is generally more expensive than physical or chemical remediation methods. 3. Phytoremediation is a type of bioremediation that uses plants. Select the correct answer using the code given below:
Consider the following techniques: 1. Bioventing 2. Landfarming 3. Biopiles 4. Bioslurping Which of the above are examples of in-situ bioremediation techniques?
Which of the following principles/acts is/are directly relevant to mandating or promoting bioremediation in India? 1. Polluter Pays Principle 2. Environment (Protection) Act, 1986 3. Article 51A(g) of the Constitution of India Select the correct answer using the code given below:
Consider the following statements regarding the application of bioremediation: 1. It is highly effective for oil spill cleanup due to microbial degradation of hydrocarbons. 2. It can be used for heavy metal removal through mechanisms like biosorption and bioreduction. 3. Genetically Engineered Microorganisms (GEMs) are currently not permitted for use in bioremediation due to ethical concerns. Which of the statements given above is/are correct?
Which of the following environmental factors would generally inhibit the effectiveness of aerobic bioremediation?
The term 'rhizoremediation' is most closely associated with which of the following?
Which of the following is NOT a mechanism by which microorganisms remove or immobilize heavy metals in bioremediation?
The National Green Tribunal (NGT) has frequently mandated the use of 'bio-mining' and 'bioremediation' for which of the following environmental issues in India?
Which of the following is a potential environmental risk associated with the widespread use of genetically engineered microorganisms (GEMs) in bioremediation?
Consider the following statements: 1. Biostimulation involves adding specific pollutant-degrading microbes to a contaminated site. 2. Bioaugmentation involves enhancing the activity of indigenous microbes by adding nutrients. Which of the statements given above is/are correct?