Advertisements
Advertisements
प्रश्न
State the difference in organic farmers approach from that of conventional pest control methods.
उत्तर
As compared to conventional pest control methods, organic farmers do not try to completely get rid of pests but keep them at manageable levels. They believe that complete eradication of pests is not beneficial and has certain adverse effects which lead to the death of those beneficial creatures which are dependent on them for food.
APPEARS IN
संबंधित प्रश्न
Given below is a list of six micro-organisms. State their usefulness to humans.
(a) Nucleopolyhedrovirus
(b) Saccharomyces cerevisiae
(c) Monascus purpureus
(d) Trichoderma polysporum
(e) Penicillium notatum
(f) Propionibacterium sharmanii
Give the biological name of the following:
The microbe used to control insect larvae growing on cotton.
Give the biological name of the following:
The fungus that is being developed as a bio-control agent.
Which of the following is TRUE regarding Bacillus thuringiensis?
Which of the following is the INCORRECT statement with respect to biocontrol agents?
Identify the INCORRECT statement regarding Bacillus thuringiensis.
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:
How do microbes reduce the environmental degradation caused by chemicals?
Organic farmer use Trichoderma as biological control agents. Explain.
- Give an example of a genus of virus used as narrow spectrum insecticidal biocontrol agent.
- How does its use serve as an aid in overall integrated pest management programme?
