Baculoviruses belongs to:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Nucleopolyhedrovirus
Baculoviruses are pathogens that attack insects and other arthropods. Most baculoviruses used as biological control agents belong to the genus Nucleopolyhedrovirus. They act on one species or a narrow group, and they do not harm plants, mammals, birds, fish or non-target insects.
(1) Nucleopolyhedrovirus — Correct. This is the genus to which these biocontrol viruses belong.
(2) Azotobacter — Incorrect. This is a free-living bacterium that fixes atmospheric nitrogen. It is used as a biofertiliser.
(3) Glomus — Incorrect. This is a fungus. Many of its members form mycorrhiza with plants and help them absorb phosphorus.
(4) Azospirillum — Incorrect. This is also a free-living nitrogen-fixing bacterium used as a biofertiliser.
NCERT Extract:
Microbes as Biocontrol Agents – …
