Bacteria are able to grow in a Streptomycin containing medium due to development of resistance to the bacteria by a process called natural selection. Normally bacteria cannot survive in antibiotic containing medium but if it does so it must have acquired resistance against that antibiotic. These are well adapted to grow in streptomycin containing medium and thus are more evolved. So due to natural selection only, the more evolved and better-adapted species is able to survive.
Some bacteria are able to grow in the streptomycin containing medium due to:
NEET UG 2002 — Zoology Evolution
2002mcqmedium
Some bacteria are able to grow in the streptomycin containing medium due to:
Official previous-year question
Held on 30 Apr 2002 · Verified 9 Jul 2026.
Options
- A
natural selection
- B
induced mutation
- C
reproductive isolation
- D
genetic drift
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