Advertisements
Advertisements
प्रश्न
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
Advertisements
उत्तर
The genus Nucleopolyhedrovirus plays a key role in ecologically sensitive areas by acting as a species-specific biological control agent for insect pests. It kills target pests without harming plants, mammals, birds, fish, or beneficial insects, helping to conserve biodiversity and aid integrated pest management.
APPEARS IN
संबंधित प्रश्न
How do mycorrhizae act as biofertilizers? Explain.
Given below is a list of six micro-organisms. State their usefulness to humans.
- Nucleopolyhedrovirus
- Saccharomyces cerevisiae
- Monascus purpureus
- Trichoderma polysporum
- Penicillium notatum
- Propionibacterium sharmanii
Name the type of association that the genus Glomus exhibits with higher plants.
Why are baculoviruses considered good biocontrol agents?
Give two examples of microbial pesticides with their hosts.
Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents.
Which of the following is TRUE regarding Bacillus thuringiensis?
From the following which one is NOT a bacterial herbicide?
Identify the INCORRECT statement regarding Bacillus thuringiensis.
Which of the following is the INCORRECT statement?
Identify the reason/s due to which Trichoclerma species is a potent biocontrol agent.
Which one of the following statements is WRONG in relation to transgenic Bt cotton plant?
Match the items in Column ‘A’ and Column ‘B’ and choose correct answer.
| Column I | Column II |
| A. Lady bird | i. Methano bacterium |
| B. Mycorrhiza | ii. Trichoderma |
| C. Biological control | iii. Aphids |
| D. Biogas | iv. Glomus |
The correct answer is:
Name any genetically modified crop.
How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?
Describe the main ideas behind the biological control of pests and diseases.
Organic farmer use Trichoderma as biological control agents. Explain.
A farmer grew 2 varieties of corn crops in fields A and B. He grew normal corn crops in field A and GM corn crops in field B. He observed corn borers attacked only in field A. To control it, spores of Bt were sprayed in field A.
- Name the gene in the spores responsible for the control of this pest.
- What effect will the spores of Bt have on the insect pest?
- How has field B developed resistance against this pest?
Why are the biocontrol agents preferred over the chemical pesticides?
Which one of the following is NOT a bioherbicide of bacterial origin?
