Environmental Biotechnology MCQs

35 min Score: 0 Attempted: 0/35

1. . What is the primary focus of environmental biotechnology?
(A) Increasing crop yields
(B) Developing new pharmaceuticals
(C) Using biological systems to solve environmental problems
(D) Enhancing industrial processes

2. . Which of the following is an application of environmental biotechnology?
(A) Bioremediation
(B) Genetic engineering for disease prevention
(C) Cloning animals
(D) Drug development

3. . What is bioremediation?
(A) Use of microorganisms to degrade environmental pollutants
(B) Development of new antibiotics
(C) Genetic modification of plants
(D) Creation of biofuels

4. . Which microorganism is commonly used in oil spill bioremediation?
(A) Bacteria
(B) Fungi
(C) Algae
(D) Viruses

5. . What role do enzymes play in environmental biotechnology?
(A) Catalyze reactions to break down pollutants
(B) Act as genetic material
(C) Serve as energy sources
(D) Promote plant growth

6. . Which method is used for wastewater treatment?
(A) Activated sludge process
(B) Cryopreservation
(C) Cloning
(D) Genetic modification

7. . Why are genetically modified microorganisms used?
(A) To enhance pollutant degradation
(B) To increase reproduction
(C) To survive extreme environments
(D) To change energy metabolism

8. . Which bioreactor is used for large-scale microbial production?
(A) Fermentor
(B) Centrifuge
(C) Spectrophotometer
(D) Chromatograph

9. . What is phytoremediation?
(A) Use of plants to remove contaminants
(B) Use of microbes
(C) Chemical cleanup
(D) Physical barriers

10. . Which plant is commonly used for heavy metal uptake?
(A) Sunflower
(B) Rose
(C) Oak
(D) Pine

11. . Main advantage of environmental biotechnology?
(A) Low cost and eco-friendly
(B) Faster processing
(C) High energy use
(D) Complex equipment

12. . Microbial detoxification of hazardous waste is called:
(A) Bioremediation
(B) Thermal desorption
(C) Chemical oxidation
(D) Adsorption

13. . Function of biosensors:
(A) Detect environmental pollutants
(B) Produce energy
(C) Modify genes
(D) Enhance microbial growth

14. . Algae-based biofuel production is known as:
(A) Algal biofuel production
(B) Genetic engineering
(C) Biodegradation
(D) Fermentation

15. . Role of molecular techniques:
(A) Identify and characterize microbes
(B) Modify plant growth
(C) Increase crop yield
(D) Produce drugs

16. . Agricultural application of environmental biotechnology:
(A) Biopesticides
(B) Gene therapy
(C) Cloning
(D) Drug development

17. . Purpose of biosurfactants:
(A) Increase solubility of hydrophobic pollutants
(B) Increase microbial growth
(C) Produce energy
(D) Modify plants

18. . Technique to analyze microbial diversity:
(A) Metagenomics
(B) PCR
(C) Protein sequencing
(D) Chromatography

19. . Benefit of microbial fuel cells:
(A) Generate electricity from waste
(B) Produce biopolymers
(C) Improve soil fertility
(D) Control invasive species

20. . Degradation of organic soil pollutants uses:
(A) Bioremediation
(B) Incineration
(C) Chemical oxidation
(D) Separation

21. . Role of recombinant DNA technology:
(A) Create GMOs for environmental use
(B) Clone animals
(C) Produce medicines
(D) Increase yields

22. . Microbial wastewater treatment method:
(A) Activated sludge
(B) Filtration
(C) Precipitation
(D) Adsorption

23. . Biocatalysts are used to:
(A) Accelerate pollutant degradation
(B) Enhance crop growth
(C) Create materials
(D) Modify genes

24. . Role of phytoremediation in soil:
(A) Extract or neutralize contaminants
(B) Chemically alter pollutants
(C) Physically remove soil
(D) Introduce invasive plants

25. . Fungal degradation of pollutants is called:
(A) Mycoremediation
(B) Phytoremediation
(C) Biostimulation
(D) Bioaugmentation

26. . Advantage of enzymes:
(A) High specificity and efficiency
(B) Increase temperature
(C) Enhance plant growth
(D) Modify DNA

27. . Adding microbes to enhance degradation is:
(A) Bioaugmentation
(B) Phytoremediation
(C) Thermal desorption
(D) Chemical oxidation

28. . Role of environmental monitoring:
(A) Assess pollutant levels and treatment success
(B) Develop GMOs
(C) Create biofuels
(D) Produce drugs

29. . Purpose of bioindicators:
(A) Assess ecosystem health
(B) Increase yields
(C) Produce fuels
(D) Modify plants

30. . Conversion of organic waste into compost or biogas:
(A) Composting
(B) Incineration
(C) Precipitation
(D) Filtration

31. . Bioengineering application example:
(A) GM plants for pollutant uptake
(B) Drug development
(C) Animal cloning
(D) Soil tilling

32. . Purpose of biochar:
(A) Improve soil and sequester carbon
(B) Increase energy
(C) Produce drugs
(D) Direct plant growth

33. . Detoxification of heavy metals uses:
(A) Bioremediation
(B) Chemical precipitation
(C) Thermal desorption
(D) Separation

34. . Why use microbial consortia?
(A) Multiple microbes degrade pollutants effectively
(B) Increase diversity
(C) Improve agriculture
(D) Create materials

35. . Importance of microbial ecology:
(A) Understand microbe–environment interactions
(B) Increase crop yields
(C) Develop medicines
(D) Produce biofuels

Leave a Comment Cancel reply