Which of the following is a biocontrol agent?
- AAphids
- BJassids
- CMosquitoes
- DLadybird
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Match the following columns correctly:
Column-$I$ Column-$II$ Column-$III$ $(a)$ $B.T.$ bacteria $(p)$ Free-living fungi $(i)$ Arthropods $(b)$ Trichoderma $(q)$ Bionematicides $(ii)$ Cereal crops $(c)$ Baculovirus $(r)$ Cotton $(iii)$ Crop-sucking pests $(d)$ Pseudomonas $(s)$ Symbiotic fungi $(iv)$ Nematodes $(t)$ Quantum-$4000$ $(v)$ Crop disease control $(u)$ Biological control
| Column-$I$ | Column-$II$ | Column-$III$ |
| $(a)$ $B.T.$ bacteria | $(p)$ Free-living fungi | $(i)$ Arthropods |
| $(b)$ Trichoderma | $(q)$ Bionematicides | $(ii)$ Cereal crops |
| $(c)$ Baculovirus | $(r)$ Cotton | $(iii)$ Crop-sucking pests |
| $(d)$ Pseudomonas | $(s)$ Symbiotic fungi | $(iv)$ Nematodes |
| $(t)$ Quantum-$4000$ | $(v)$ Crop disease control | |
| $(u)$ Biological control |
Medium
View SolutionFrom which of the following is a natural insecticide obtained?
Easy
View SolutionWhich of the following is not the belief of an organic farmer?
Medium
View SolutionMatch 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 aphids and mosquitoes $(c)$ Glomus $(iii)$ Narrow spectrum insecticidal applications $(d)$ Baculoviruses $(iv)$ Biocontrol agents of lepidopteran plant pests $(v)$ Absorb phosphorus from soil
| Column $I$ | Column $II$ |
| $(a)$ Dragonflies | $(i)$ Biocontrol agents of several plant pathogens |
| $(b)$ Bacillus thuringiensis | $(ii)$ Get rid of aphids and mosquitoes |
| $(c)$ Glomus | $(iii)$ Narrow spectrum insecticidal applications |
| $(d)$ Baculoviruses | $(iv)$ Biocontrol agents of lepidopteran plant pests |
| $(v)$ Absorb phosphorus from soil |
The fish used for the control of malaria is ......... .
Medium
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