- 1(current)
Q. No.| Statement I: | Bacterial infection by Bacillus thuringiensis can kill only caterpillar larvae. |
| Statement II: | B. thuringiensis cannot kill adult moths. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct.
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456702
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456702
| Statement I: | Aphids and mosquitoes are natural pests. |
| Statement II: | Lady bird and dragonflies are natural pests controllers. |
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct
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 |
Which one of the following is an example of carrying out biological control of pests/diseases using microbes?
1. Trichoderma sp. against certain plant pathogens
2. Nucleopolyhedrovirus against white rust in Brassica
3. Bt-cotton to increase cotton yield
4. Ladybird beetle against aphids in mustard
A common biocontrol agent for the control of plant diseases is:
1. Baculovirus
2. Bacillus thuringiensis
3. Glomus
4. Trichoderma
Which of the following is not used as a biopesticide?
1. Bacillus thuringiensis
2. Trichoderma harzianum
3. Nucleopolyhedrovirus(NPV)
4. Xanthomonas campestris
1. bioremediation of contaminated soils
2. reclamation of wastelands
3. gene transfer in higher plants
4. biological control of soil-borne plant pathogens
- 1(current)
Q. No.
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