- 1(current)
Q. No.Match the following columns and select the correct option:-
|
Column I |
Column II |
||
|
(a) |
Dragonflies |
(i) |
Biocontrol agents of several plant pathogens |
|
(b) |
Bacillus thuringiensis |
(ii) |
Get rid of mosquitoes |
|
(c) |
Glomus |
(iii) |
Narrow spectrum insecticidal applications |
|
(d) |
Baculoviruses |
(iv) |
Biocontrol agents of lepidopteran plant pests |
|
(v) |
Absorb phosphorus from soil |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (v) | (iv) | (i) |
| 2. | (ii) | (i) | (iii) | (iv) |
| 3. | (ii) | (iii) | (iv) | (v) |
| 4. | (ii) | (iv) | (v) | (iii) |
Which of the following can be used as biocontrol agent in the treatment of plant disease?
1. Lactobacillus
2. Trichoderma
3. Chlorella
4. Anabaena
Select the correct group of biocontrol agents:
1. Nostoc, Azospirillum, Nucleopolyhedrovirus
2. Bacillus thuringiensis. Tobacco mosaic virus, Aphids
3. Trichoderma, Baculovirus, Bacillus thuringiensis
4. Oscilatoria, Rhizobium, Trichoderma
For a biocontrol agent to be part of an integrated pest management, it should be:
1. species-specific and symbiotic
2. free living and broad spectrum
3. narrow spectrum and symbiotic
4. species-specific and inactive on non-target organisms
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.