Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Appearance of antibiotic-resistant bacteria is an example of:
BiologyEvolution
Options:
  • A
    adaptive rediation
  • B
    transduction
  • C
    pre-existing variation in the population
  • D
    divergent evolution
Solution:
1203 Upvotes Verified Answer
The correct answer is:
pre-existing variation in the population
Appearance of antibiotic-resistant bacteria is an example of pre-existing variation in the population. When a bacterial population encounters a particular antibiotic, those become sensitive and dies.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.