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Environmental Biotechnology

BIOLEACHING AND BIOMINING MCQs

Total Questions : 53

Page 1 of 6 pages
Question 1. Which one of the following is not included in the mechanism of bioleaching?
  1.    Acidolysis
  2.    Complexolysis
  3.    Redoxolysis
  4.    Hydrolysis
 Discuss Question
Answer is Option D. -> Hydrolysis
Answer: (d).Hydrolysis
Question 2. Microbially catalyzed redox reaction leads to metal ________
  1.    Mobilization
  2.    Immobilization
  3.    Reduction
  4.    Oxidation
 Discuss Question
Answer is Option A. -> Mobilization
Answer: (a).Mobilization
Question 3. Which of the following is the most common bacteria used for bioleaching?
  1.    Spirillum
  2.    Coccus
  3.    Bacillus
  4.    Streptococcus
 Discuss Question
Answer is Option C. -> Bacillus
Answer: (c).Bacillus
Question 4. Which genera helps in bioaccumulation?
  1.    Bacillus
  2.    Aspergillus
  3.    Agaricus
  4.    Mycenae
 Discuss Question
Answer is Option B. -> Aspergillus
Answer: (b).Aspergillus
Question 5. What kind of bacteria benefits the most from direct leaching?
  1.    Autotrophs
  2.    Heterotrophs
  3.    Chemotrophs
  4.    Chemolithotrophs
 Discuss Question
Answer is Option A. -> Autotrophs
Answer: (a).Autotrophs
Question 6. Which of following is not a focus in conversing microbial communities to biofuel?
  1.    Substrate Flexibility
  2.    High productivity
  3.    Higher number of products in one process
  4.    Tolerance to stress
 Discuss Question
Answer is Option C. -> Higher number of products in one process
Answer: (c).Higher number of products in one process
Question 7. Which of the following is the correct phosphate pathway?Which Of The Following Is The Correct Phosphate Pathway?....
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer is Option A. -> a
Answer: (a).a
Question 8. At which step in the below diagram, phosphorus is released?At Which Step In The Below Diagram, Phosphorus Is Released?....
  1.    Incineration
  2.    Ash
  3.    Bioleaching
  4.    Anaerobic digestion
 Discuss Question
Answer is Option D. -> Anaerobic digestion
Answer: (d).Anaerobic digestion
Question 9. What kind of pH is most suitable for bioleaching in majority of the metals?
  1.    At very low pH
  2.    At very high pH
  3.    At low pH
  4.    At high pH
 Discuss Question
Answer is Option C. -> At low pH
Answer: (c).At low pH
Question 10. Which among the following is the most suitable particle size of solid waste?
  1.    Order of few tens of millimeter
  2.    Order of few tens of centimeter
  3.    Order of few tens of micrometer
  4.    Order of few tens of decimeter
 Discuss Question
Answer is Option C. -> Order of few tens of micrometer
Answer: (c).Order of few tens of micrometer
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Sub Topics

  • Analysis Of Dose Effect Relationship
  • Bioaccumulation Of Toxicants
  • Biodegradation Of Organic Pollutants
  • Biodegradation Of Pesticides
  • Bioleaching And Biomining
  • Biological Treatment Of Waste Water
  • Biotechnological Approaches Of Microalgal Culture
  • Biotechnology For Solid Waste Management
  • Environmental Biotechnology Basics
  • Management And Remediation Of Soil
  • Microbial Transformation Of Heavy Metals
  • Microbial Transformations Of Pesticides
  • Wastewater Treatment Of Food Processing Industries

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