Download App

STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
The free-living fungus Trichoderma can be used for
  • A
    killing insects
  • ✓
    biological control of plant diseases
  • C
    controlling butterfly caterpillars
  • D
    producing antibiotics
✓

Answer

Correct option: B.
biological control of plant diseases
b
Trichoderma is a free-living saprophytic fungi that most commonly lives on dead organic matter in the soil and rhizosphere (root ecosystem). It inhibits pathogens through release of gliotoxin, viridin, gliovirin and trichodermin like substances.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 12 - 8. microbes in human welfare→STD 12 - 8. microbes in human welfare — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Homo Sapiens (humans) evolved first:
→
Double fertilization process means
→
Tiger is not a resident in which of the following national park?
→
The period between infection and appearance of AIDS symptoms is:
→
Which of the following is correct

$I.$ In a population, birth rate and death rate refer to per capita births and death respectively

$II.$ In nature, we rarely find isolated single individuals of any species

$III.$ The size of population for any species is stable phenomena

$IV.$ Ecological effects of any factors on a population growth are generally reflected in its size/population density

→
Ecosystem may be defined as _______?
→
Which of the following is false?
→
Chromosomal abnormality of an unborn baby (while in mother's womb) can be found out by a technique called
→
Which enzyme plays important role in transcription?
→
Ten E.coli cells with ${ }^{15} N$ - dsDNA are incubated in medium containing ${ }^{14} N$ nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from $15\,N$ ?
→