Download App

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

Rajasthan 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 (0.5 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→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The secondary spermatocytes undergo the second meiotic division to produce four equal,
→
Embryo sac is called monosporic when it develops from:
→
Baker's yeast is
→
In the $ABO$ system, of blood group which of the following is example of co-dominance ?
→
Thymus is the site for the development and maturation of
→
When more than one codon code for the same amino acid, this is called as
→
Which one of the following statement is incorrect about menstruation?
→
A child's blood group is ‘$O$'. The parents blood groups cannot be
→
In case of exponential growth pottern of a population, the shope of curve obtained by plotting N in relation to t is:
→
From the statements given below choose the option that are true for a typical female gametophyte of a flowering plant:
  1. It is 8-nucleate and 7-celled at maturity.
  2. It is free-nuclear during the development.
  3. It is situated inside the integument but outside the nucellus.
  4. It has an egg apparatus situated at the chalazal end.
→