Introduction to Biocontrol Agents
Trending Questions
Which fungus is used as biocontrol agent?
Which one of the following helps in absorption of phosphorus from soil by plants?
Anabaena
Glomus
Rhizobium
Frankia
Juvenile hormone causes:
Early sexual maturity
Late sexual maturity
Completion of larval stages
Development of giant larva without ability to undergo maturation
- Azotobacter
- Bacillus thuringiensis
- Dragonfly
- Ladybird
- insecticide
- pesticide
- herbicide
- biocontrol
- Crop quality
- Pests
- Weeds
- Yield
Fungicides are used to protect crops from insects
- True
- False
(i) Trichoderma is a fungi that is pathogenic to crop plants
(ii) Baculoviruses are parasites of arthropods
(iii) Baculoviruses do not harm non-target insects
- (i) and (ii)
- (i) and (iii)
- (ii) and (iii)
- (i), (ii) and (iii)
- Crop quality
- Pests
- Weeds
- Yield
- Nostoc, Azospirillium, Nucleopolyhedrovirus
- Bacillus thuringiensis, Tobacco mosaic virus, Aphids
- Trichoderma, Baculovirus, Bacillus thuringiensis
- Oscillatoria, Rhizobium, Trichoderma
Which of the following is not used as a biopesticide?
Trichoderma hamatum
Bacillus thuringiensis
Xanthomonas campestris
Nucleopolyhedrovirus (NPV)
(i) Trichoderma is a fungi that is pathogenic to crop plants
(ii) Baculoviruses are parasites of arthropods
(iii) Baculoviruses do not harm non-target insects
- (i) and (ii)
- (i) and (iii)
- (ii) and (iii)
- (i), (ii) and (iii)
In confusion technique, the pheromone coated paper strips are thrown over an area in order to:
Attract insects and kill them
Repel insects from an area
Confuse males so that they are unable to locate the females
Confuse females so that they are unable to locate the males