Question

Which is incorrect about the Nucleopolyhedrovirus (NPV)?

• A. These are species-specific.
• B. They aid in an overall IPM programme or when an ecologically sensitive area is being treated.
  
• C. These are broad-spectrum.
  
• D. They have no negative impact on plants, mammals, bird, fish and non-target insects.
  

Answer 1

The correct option is C These are broad-spectrum.


$Nucleopolyhedrovirus$ (NPV)

$Nucleopolyhedrovirus$ (family Baculoviruses) are a genus of pathogenic viruses that have gained importance in integrated pest management. They are used as insecticides.

Benefits and usage

These viruses are used for the biological control of pests, especially insects and other arthropods, because of the following reasons:-

Species-specific:

The virus is pathogenic only to the arthropods.
Narrow spectrum: Do not attack non-target insects, other plants and animals.

Eco-friendly:

Due to being a narrow spectrum insecticide, beneficial insects are not killed, allowing the viruses to be used in the environment without any dire consequences. Therefore, it is used as a biological method of pest control in Integrated Pest Management (IPM).

Hence, they aren’t broad spectrum antibiotics