NEET 2013 · Class 12

Microbes in Human Welfare

Microbe used for biocontrol of pest butterfly caterpillars is

  1. (A)Saccharomyces cerevisiae
  2. (B)Bacillus thuringiensis
  3. (C)Streptococcus sp.
  4. (D)Trichoderma sp.

The NCERT line that answers it

Verbatim line

An example of microbial biocontrol agents that can be introduced in order to control butterfly caterpillars is the bacteria *Bacillus thuringiensis* (often written as *Bt*).

Chapter
Microbes in Human Welfare
Section
8.5 MICROBES AS BIOCONTROL AGENTS
Page
8
Words matched
25 of 25

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

How this line gives the answer

2, emb=0.8987, combined=0.6192). Verified: high — The span explicitly states that Bacillus thuringiensis is used to control butterfly caterpillars, which directly matches the MCQ question and distinguishes it from the other options.

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