NEET 2009 · Class 12

Molecular Basis of Inheritance

Semi-conservative replication of DNA was first demonstrated in

  1. (A)Escherichia coli
  2. (B)Streptococcus pneumoniae
  3. (C)Salmonella typhimurium
  4. (D)Drosophila melanogaster

The NCERT line that answers it

Verbatim line

It was shown first in *Escherichia coli* and subsequently in higher organisms, such as plants

Chapter
Molecular Basis of Inheritance
Section
5.4.1 The Experimental Proof
Page
9
Words matched
15 of 15

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'It was shown first in Escherichia coli', which directly matches the MCQ's correct answer and distinguishes it from the other options.

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