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 ?

Option (d) is correct because biofilms are resilient microbial colonies that can adhere to both biotic and abiotic surfaces, including medical implants and food processing equipment, while their protective extracellular matrix inherently confers high antibiotic resistance. Tempting wrong options like (a) or (c) are incorrect because they underestimate the ubiquitous nature of biofilms, which can thrive in almost any moist environment with a nutrient source. The core concept tested is the biological characteristics and environmental adaptability of biofilms in clinical and industrial settings.