Consider the following statements : 1. Biofilms can form on medical implants within human tissues. 2. Biofilms can form on food and food processing surfaces. 3. Biofilms can exhibit antibiotic resistance. Which of the statements given above are correct ?

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Q: 37 (IAS/2022)
Consider the following statements :
1. Biofilms can form on medical implants within human tissues.
2. Biofilms can form on food and food processing surfaces.
3. Biofilms can exhibit antibiotic resistance.
Which of the statements given above are correct ?

question_subject: 

Science

question_exam: 

IAS

stats: 

0,202,40,19,6,15,202

keywords: 

{'biofilms': [0, 0, 0, 1], 'antibiotic resistance': [0, 0, 0, 1], 'medical implants': [0, 0, 0, 1], 'human tissues': [0, 0, 0, 1], 'food processing surfaces': [0, 0, 0, 1]}

  1. All of the statements given above are correct.

  2. Biofilms can form on medical implants within human tissues: Biofilms are communities of microorganisms that adhere to surfaces, such as medical implants, and produce a matrix of extracellular polymeric substances. Biofilms can form on implanted medical devices, such as pacemakers, catheters, and artificial joints, and can cause chronic infections.

  3. Biofilms can form on food and food processing surfaces: Biofilms can form on surfaces in food processing plants and can contaminate food products. Biofilms on food contact surfaces can be difficult to remove and can lead to foodborne illness.

  4. Biofilms can exhibit antibiotic resistance: Biofilms are known to exhibit antibiotic resistance, which can make them difficult to treat. The matrix of extracellular polymeric substances can protect the microorganisms from the effects of antibiotics and other antimicrobial agents, allowing the biofilm to persist and potentially cause infections.

 

Preparing for Future Exams: Learning from the Analysis of Past Questions

Topics to study:

  1. Microbiology
  2. Bacteria
  3. Biofilms
  4. Medical implants
  5. Food processing and safety
  6. Antibiotic resistance

Sources:

  1. NCERT textbooks on Biology
  2. Online resources such as tutorials, blogs, and videos on Microbiology and Biofilms.

NCERT book chapters:

  1. Biology: Chapter 8 - Cell: The Unit of Life - This chapter introduces the basic concepts of Microbiology.
  2. Biology: Chapter 9 - Biomolecules - This chapter discusses the chemical composition and structure of microorganisms.
  3. Biology: Chapter 10 - Cell Cycle and Cell Division - This chapter discusses the reproduction of microorganisms.

Related concepts:

  1. Bacterial growth and reproduction
  2. Types of bacteria and their characteristics
  3. Structure and function of biofilms
  4. Formation of biofilms on surfaces
  5. Medical implants and their uses
  6. Food processing and safety regulations
  7. Antibiotic resistance mechanisms
  8. Consequences of antibiotic resistance
  9. Prevention and treatment of biofilm-related infections.